diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild
index 1d66db9..68ca86f 100644
--- a/arch/arm/include/asm/Kbuild
+++ b/arch/arm/include/asm/Kbuild
@@ -1,24 +1,22 @@
+# SPDX-License-Identifier: GPL-2.0
 generic-y += compat.h
 generic-y += current.h
 generic-y += early_ioremap.h
 generic-y += emergency-restart.h
 generic-y += exec.h
 generic-y += extable.h
+generic-y += flat.h
 generic-y += irq_regs.h
 generic-y += kdebug.h
 generic-y += local.h
 generic-y += local64.h
 generic-y += mm-arch-hooks.h
+generic-y += mmiowb.h
 generic-y += msi.h
 generic-y += parport.h
 generic-y += preempt.h
-generic-y += rwsem.h
 generic-y += seccomp.h
-generic-y += segment.h
 generic-y += serial.h
-generic-y += simd.h
-generic-y += sizes.h
-generic-y += timex.h
 generic-y += trace_clock.h
 
 generated-y += mach-types.h
diff --git a/arch/arm/include/asm/arch_gicv3.h b/arch/arm/include/asm/arch_gicv3.h
index 0bd5307..0555f14 100644
--- a/arch/arm/include/asm/arch_gicv3.h
+++ b/arch/arm/include/asm/arch_gicv3.h
@@ -1,19 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/arch_gicv3.h
  *
  * Copyright (C) 2015 ARM Ltd.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #ifndef __ASM_ARCH_GICV3_H
 #define __ASM_ARCH_GICV3_H
@@ -34,6 +23,7 @@
 #define ICC_SRE				__ACCESS_CP15(c12, 0, c12, 5)
 #define ICC_IGRPEN1			__ACCESS_CP15(c12, 0, c12, 7)
 #define ICC_BPR1			__ACCESS_CP15(c12, 0, c12, 3)
+#define ICC_RPR				__ACCESS_CP15(c12, 0, c11, 3)
 
 #define __ICC_AP0Rx(x)			__ACCESS_CP15(c12, 0, c8, 4 | x)
 #define ICC_AP0R0			__ICC_AP0Rx(0)
@@ -54,7 +44,7 @@
 #define ICH_VTR				__ACCESS_CP15(c12, 4, c11, 1)
 #define ICH_MISR			__ACCESS_CP15(c12, 4, c11, 2)
 #define ICH_EISR			__ACCESS_CP15(c12, 4, c11, 3)
-#define ICH_ELSR			__ACCESS_CP15(c12, 4, c11, 5)
+#define ICH_ELRSR			__ACCESS_CP15(c12, 4, c11, 5)
 #define ICH_VMCR			__ACCESS_CP15(c12, 4, c11, 7)
 
 #define __LR0(x)			__ACCESS_CP15(c12, 4, c12, x)
@@ -151,7 +141,7 @@
 CPUIF_MAP(ICH_VTR, ICH_VTR_EL2)
 CPUIF_MAP(ICH_MISR, ICH_MISR_EL2)
 CPUIF_MAP(ICH_EISR, ICH_EISR_EL2)
-CPUIF_MAP(ICH_ELSR, ICH_ELSR_EL2)
+CPUIF_MAP(ICH_ELRSR, ICH_ELRSR_EL2)
 CPUIF_MAP(ICH_VMCR, ICH_VMCR_EL2)
 CPUIF_MAP(ICH_AP0R3, ICH_AP0R3_EL2)
 CPUIF_MAP(ICH_AP0R2, ICH_AP0R2_EL2)
@@ -245,6 +235,21 @@
 	write_sysreg(val, ICC_BPR1);
 }
 
+static inline u32 gic_read_pmr(void)
+{
+	return read_sysreg(ICC_PMR);
+}
+
+static inline void gic_write_pmr(u32 val)
+{
+	write_sysreg(val, ICC_PMR);
+}
+
+static inline u32 gic_read_rpr(void)
+{
+	return read_sysreg(ICC_RPR);
+}
+
 /*
  * Even in 32bit systems that use LPAE, there is no guarantee that the I/O
  * interface provides true 64bit atomic accesses, so using strd/ldrd doesn't
@@ -347,5 +352,22 @@
 
 #define gits_read_vpendbaser(c)		__gic_readq_nonatomic(c)
 
+static inline bool gic_prio_masking_enabled(void)
+{
+	return false;
+}
+
+static inline void gic_pmr_mask_irqs(void)
+{
+	/* Should not get called. */
+	WARN_ON_ONCE(true);
+}
+
+static inline void gic_arch_enable_irqs(void)
+{
+	/* Should not get called. */
+	WARN_ON_ONCE(true);
+}
+
 #endif /* !__ASSEMBLY__ */
 #endif /* !__ASM_ARCH_GICV3_H */
diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h
index 0a8d7bb..9917581 100644
--- a/arch/arm/include/asm/arch_timer.h
+++ b/arch/arm/include/asm/arch_timer.h
@@ -4,6 +4,7 @@
 
 #include <asm/barrier.h>
 #include <asm/errno.h>
+#include <asm/hwcap.h>
 #include <linux/clocksource.h>
 #include <linux/init.h>
 #include <linux/types.h>
@@ -11,6 +12,10 @@
 #include <clocksource/arm_arch_timer.h>
 
 #ifdef CONFIG_ARM_ARCH_TIMER
+/* 32bit ARM doesn't know anything about timer errata... */
+#define has_erratum_handler(h)		(false)
+#define erratum_handler(h)		(arch_timer_##h)
+
 int arch_timer_arch_init(void);
 
 /*
@@ -79,7 +84,7 @@
 	return val;
 }
 
-static inline u64 arch_counter_get_cntpct(void)
+static inline u64 __arch_counter_get_cntpct(void)
 {
 	u64 cval;
 
@@ -88,7 +93,12 @@
 	return cval;
 }
 
-static inline u64 arch_counter_get_cntvct(void)
+static inline u64 __arch_counter_get_cntpct_stable(void)
+{
+	return __arch_counter_get_cntpct();
+}
+
+static inline u64 __arch_counter_get_cntvct(void)
 {
 	u64 cval;
 
@@ -97,6 +107,11 @@
 	return cval;
 }
 
+static inline u64 __arch_counter_get_cntvct_stable(void)
+{
+	return __arch_counter_get_cntvct();
+}
+
 static inline u32 arch_timer_get_cntkctl(void)
 {
 	u32 cntkctl;
@@ -110,6 +125,15 @@
 	isb();
 }
 
+static inline void arch_timer_set_evtstrm_feature(void)
+{
+	elf_hwcap |= HWCAP_EVTSTRM;
+}
+
+static inline bool arch_timer_have_evtstrm_feature(void)
+{
+	return elf_hwcap & HWCAP_EVTSTRM;
+}
 #endif
 
 #endif
diff --git a/arch/arm/include/asm/arm-cci.h b/arch/arm/include/asm/arm-cci.h
index fe77f7a..7537bd7 100644
--- a/arch/arm/include/asm/arm-cci.h
+++ b/arch/arm/include/asm/arm-cci.h
@@ -1,19 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/arm-cci.h
  *
  * Copyright (C) 2015 ARM Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef __ASM_ARM_CCI_H
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index b17ee03..9992912 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/assembler.h
  *
  *  Copyright (C) 1996-2000 Russell King
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  This file contains arm architecture specific defines
  *  for the different processors.
  *
@@ -243,13 +240,15 @@
 	.endm
 #endif
 
-#define USER(x...)				\
+#define USERL(l, x...)				\
 9999:	x;					\
 	.pushsection __ex_table,"a";		\
 	.align	3;				\
-	.long	9999b,9001f;			\
+	.long	9999b,l;			\
 	.popsection
 
+#define USER(x...)	USERL(9001f, x)
+
 #ifdef CONFIG_SMP
 #define ALT_SMP(instr...)					\
 9998:	instr
@@ -374,9 +373,9 @@
 	.macro	usraccoff, instr, reg, ptr, inc, off, cond, abort, t=TUSER()
 9999:
 	.if	\inc == 1
-	\instr\cond\()b\()\t\().w \reg, [\ptr, #\off]
+	\instr\()b\t\cond\().w \reg, [\ptr, #\off]
 	.elseif	\inc == 4
-	\instr\cond\()\t\().w \reg, [\ptr, #\off]
+	\instr\t\cond\().w \reg, [\ptr, #\off]
 	.else
 	.error	"Unsupported inc macro argument"
 	.endif
@@ -415,9 +414,9 @@
 	.rept	\rept
 9999:
 	.if	\inc == 1
-	\instr\cond\()b\()\t \reg, [\ptr], #\inc
+	\instr\()b\t\cond \reg, [\ptr], #\inc
 	.elseif	\inc == 4
-	\instr\cond\()\t \reg, [\ptr], #\inc
+	\instr\t\cond \reg, [\ptr], #\inc
 	.else
 	.error	"Unsupported inc macro argument"
 	.endif
@@ -458,7 +457,7 @@
 	.macro check_uaccess, addr:req, size:req, limit:req, tmp:req, bad:req
 #ifndef CONFIG_CPU_USE_DOMAINS
 	adds	\tmp, \addr, #\size - 1
-	sbcccs	\tmp, \tmp, \limit
+	sbcscc	\tmp, \tmp, \limit
 	bcs	\bad
 #ifdef CONFIG_CPU_SPECTRE
 	movcs	\addr, #0
@@ -467,6 +466,17 @@
 #endif
 	.endm
 
+	.macro uaccess_mask_range_ptr, addr:req, size:req, limit:req, tmp:req
+#ifdef CONFIG_CPU_SPECTRE
+	sub	\tmp, \limit, #1
+	subs	\tmp, \tmp, \addr	@ tmp = limit - 1 - addr
+	addhs	\tmp, \tmp, #1		@ if (tmp >= 0) {
+	subshs	\tmp, \tmp, \size	@ tmp = limit - (addr + size) }
+	movlo	\addr, #0		@ if (tmp < 0) addr = NULL
+	csdb
+#endif
+	.endm
+
 	.macro	uaccess_disable, tmp, isb=1
 #ifdef CONFIG_CPU_SW_DOMAIN_PAN
 	/*
diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
index f747566..75bb2c5 100644
--- a/arch/arm/include/asm/atomic.h
+++ b/arch/arm/include/asm/atomic.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/atomic.h
  *
  *  Copyright (C) 1996 Russell King.
  *  Copyright (C) 2002 Deep Blue Solutions Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef __ASM_ARM_ATOMIC_H
 #define __ASM_ARM_ATOMIC_H
@@ -249,15 +246,15 @@
 
 #ifndef CONFIG_GENERIC_ATOMIC64
 typedef struct {
-	long long counter;
+	s64 counter;
 } atomic64_t;
 
 #define ATOMIC64_INIT(i) { (i) }
 
 #ifdef CONFIG_ARM_LPAE
-static inline long long atomic64_read(const atomic64_t *v)
+static inline s64 atomic64_read(const atomic64_t *v)
 {
-	long long result;
+	s64 result;
 
 	__asm__ __volatile__("@ atomic64_read\n"
 "	ldrd	%0, %H0, [%1]"
@@ -268,7 +265,7 @@
 	return result;
 }
 
-static inline void atomic64_set(atomic64_t *v, long long i)
+static inline void atomic64_set(atomic64_t *v, s64 i)
 {
 	__asm__ __volatile__("@ atomic64_set\n"
 "	strd	%2, %H2, [%1]"
@@ -277,9 +274,9 @@
 	);
 }
 #else
-static inline long long atomic64_read(const atomic64_t *v)
+static inline s64 atomic64_read(const atomic64_t *v)
 {
-	long long result;
+	s64 result;
 
 	__asm__ __volatile__("@ atomic64_read\n"
 "	ldrexd	%0, %H0, [%1]"
@@ -290,9 +287,9 @@
 	return result;
 }
 
-static inline void atomic64_set(atomic64_t *v, long long i)
+static inline void atomic64_set(atomic64_t *v, s64 i)
 {
-	long long tmp;
+	s64 tmp;
 
 	prefetchw(&v->counter);
 	__asm__ __volatile__("@ atomic64_set\n"
@@ -307,9 +304,9 @@
 #endif
 
 #define ATOMIC64_OP(op, op1, op2)					\
-static inline void atomic64_##op(long long i, atomic64_t *v)		\
+static inline void atomic64_##op(s64 i, atomic64_t *v)			\
 {									\
-	long long result;						\
+	s64 result;							\
 	unsigned long tmp;						\
 									\
 	prefetchw(&v->counter);						\
@@ -326,10 +323,10 @@
 }									\
 
 #define ATOMIC64_OP_RETURN(op, op1, op2)				\
-static inline long long							\
-atomic64_##op##_return_relaxed(long long i, atomic64_t *v)		\
+static inline s64							\
+atomic64_##op##_return_relaxed(s64 i, atomic64_t *v)			\
 {									\
-	long long result;						\
+	s64 result;							\
 	unsigned long tmp;						\
 									\
 	prefetchw(&v->counter);						\
@@ -349,10 +346,10 @@
 }
 
 #define ATOMIC64_FETCH_OP(op, op1, op2)					\
-static inline long long							\
-atomic64_fetch_##op##_relaxed(long long i, atomic64_t *v)		\
+static inline s64							\
+atomic64_fetch_##op##_relaxed(s64 i, atomic64_t *v)			\
 {									\
-	long long result, val;						\
+	s64 result, val;						\
 	unsigned long tmp;						\
 									\
 	prefetchw(&v->counter);						\
@@ -406,10 +403,9 @@
 #undef ATOMIC64_OP_RETURN
 #undef ATOMIC64_OP
 
-static inline long long
-atomic64_cmpxchg_relaxed(atomic64_t *ptr, long long old, long long new)
+static inline s64 atomic64_cmpxchg_relaxed(atomic64_t *ptr, s64 old, s64 new)
 {
-	long long oldval;
+	s64 oldval;
 	unsigned long res;
 
 	prefetchw(&ptr->counter);
@@ -430,9 +426,9 @@
 }
 #define atomic64_cmpxchg_relaxed	atomic64_cmpxchg_relaxed
 
-static inline long long atomic64_xchg_relaxed(atomic64_t *ptr, long long new)
+static inline s64 atomic64_xchg_relaxed(atomic64_t *ptr, s64 new)
 {
-	long long result;
+	s64 result;
 	unsigned long tmp;
 
 	prefetchw(&ptr->counter);
@@ -450,9 +446,9 @@
 }
 #define atomic64_xchg_relaxed		atomic64_xchg_relaxed
 
-static inline long long atomic64_dec_if_positive(atomic64_t *v)
+static inline s64 atomic64_dec_if_positive(atomic64_t *v)
 {
-	long long result;
+	s64 result;
 	unsigned long tmp;
 
 	smp_mb();
@@ -478,10 +474,9 @@
 }
 #define atomic64_dec_if_positive atomic64_dec_if_positive
 
-static inline long long atomic64_fetch_add_unless(atomic64_t *v, long long a,
-						  long long u)
+static inline s64 atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u)
 {
-	long long oldval, newval;
+	s64 oldval, newval;
 	unsigned long tmp;
 
 	smp_mb();
diff --git a/arch/arm/include/asm/bL_switcher.h b/arch/arm/include/asm/bL_switcher.h
index 1714800..45a75d9 100644
--- a/arch/arm/include/asm/bL_switcher.h
+++ b/arch/arm/include/asm/bL_switcher.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/bL_switcher.h
  *
  * Created by:  Nicolas Pitre, April 2012
  * Copyright:   (C) 2012-2013  Linaro Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef ASM_BL_SWITCHER_H
diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h
index 69772e7..83ae97c 100644
--- a/arch/arm/include/asm/barrier.h
+++ b/arch/arm/include/asm/barrier.h
@@ -11,6 +11,8 @@
 #define sev()	__asm__ __volatile__ ("sev" : : : "memory")
 #define wfe()	__asm__ __volatile__ ("wfe" : : : "memory")
 #define wfi()	__asm__ __volatile__ ("wfi" : : : "memory")
+#else
+#define wfe()	do { } while (0)
 #endif
 
 #if __LINUX_ARM_ARCH__ >= 7
diff --git a/arch/arm/include/asm/bug.h b/arch/arm/include/asm/bug.h
index 237aa52..deef4d0 100644
--- a/arch/arm/include/asm/bug.h
+++ b/arch/arm/include/asm/bug.h
@@ -62,8 +62,8 @@
 struct pt_regs;
 void die(const char *msg, struct pt_regs *regs, int err);
 
-struct siginfo;
-void arm_notify_die(const char *str, struct pt_regs *regs, struct siginfo *info,
+void arm_notify_die(const char *str, struct pt_regs *regs,
+		int signo, int si_code, void __user *addr,
 		unsigned long err, unsigned long trap);
 
 #ifdef CONFIG_ARM_LPAE
@@ -85,7 +85,7 @@
 extern asmlinkage void c_backtrace(unsigned long fp, int pmode);
 
 struct mm_struct;
-extern void show_pte(struct mm_struct *mm, unsigned long addr);
+void show_pte(const char *lvl, struct mm_struct *mm, unsigned long addr);
 extern void __show_regs(struct pt_regs *);
 
 #endif
diff --git a/arch/arm/include/asm/bugs.h b/arch/arm/include/asm/bugs.h
index 73a99c7..97a312b 100644
--- a/arch/arm/include/asm/bugs.h
+++ b/arch/arm/include/asm/bugs.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/bugs.h
  *
  *  Copyright (C) 1995-2003 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef __ASM_BUGS_H
 #define __ASM_BUGS_H
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index ec1a5fd..7114b9a 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/cacheflush.h
  *
  *  Copyright (C) 1999-2002 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef _ASMARM_CACHEFLUSH_H
 #define _ASMARM_CACHEFLUSH_H
@@ -479,4 +476,11 @@
 void flush_uprobe_xol_access(struct page *page, unsigned long uaddr,
 			     void *kaddr, unsigned long len);
 
+
+#ifdef CONFIG_CPU_ICACHE_MISMATCH_WORKAROUND
+void check_cpu_icache_size(int cpuid);
+#else
+static inline void check_cpu_icache_size(int cpuid) { }
+#endif
+
 #endif
diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h
index 07e27f2..d2453e2 100644
--- a/arch/arm/include/asm/cp15.h
+++ b/arch/arm/include/asm/cp15.h
@@ -68,6 +68,8 @@
 #define BPIALL				__ACCESS_CP15(c7, 0, c5, 6)
 #define ICIALLU				__ACCESS_CP15(c7, 0, c5, 0)
 
+#define CNTVCT				__ACCESS_CP15_64(1, c14)
+
 extern unsigned long cr_alignment;	/* defined in entry-armv.S */
 
 static inline unsigned long get_cr(void)
diff --git a/arch/arm/include/asm/cpu.h b/arch/arm/include/asm/cpu.h
index 2744f06..bd6fdb4 100644
--- a/arch/arm/include/asm/cpu.h
+++ b/arch/arm/include/asm/cpu.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/cpu.h
  *
  *  Copyright (C) 2004-2005 ARM Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef __ASM_ARM_CPU_H
 #define __ASM_ARM_CPU_H
diff --git a/arch/arm/include/asm/cpufeature.h b/arch/arm/include/asm/cpufeature.h
index 6d42519..16c161b 100644
--- a/arch/arm/include/asm/cpufeature.h
+++ b/arch/arm/include/asm/cpufeature.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2017 Linaro Ltd. <ard.biesheuvel@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef __ASM_CPUFEATURE_H
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index 0d28924..775cac3 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -111,6 +111,7 @@
 #include <linux/kernel.h>
 
 extern unsigned int processor_id;
+struct proc_info_list *lookup_processor(u32 midr);
 
 #ifdef CONFIG_CPU_CP15
 #define read_cpuid(reg)							\
diff --git a/arch/arm/include/asm/dcc.h b/arch/arm/include/asm/dcc.h
index b74899d..d24c4be 100644
--- a/arch/arm/include/asm/dcc.h
+++ b/arch/arm/include/asm/dcc.h
@@ -1,13 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /* Copyright (c) 2010, 2014 The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #include <asm/barrier.h>
diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h
index 3234fe9..c675bc0 100644
--- a/arch/arm/include/asm/device.h
+++ b/arch/arm/include/asm/device.h
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Arch specific extensions to struct device
- *
- * This file is released under the GPLv2
  */
 #ifndef ASMARM_DEVICE_H
 #define ASMARM_DEVICE_H
@@ -16,9 +15,6 @@
 #ifdef CONFIG_ARM_DMA_USE_IOMMU
 	struct dma_iommu_mapping	*mapping;
 #endif
-#ifdef CONFIG_XEN
-	const struct dma_map_ops *dev_dma_ops;
-#endif
 	unsigned int dma_coherent:1;
 	unsigned int dma_ops_setup:1;
 };
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h
index 6821f12..772f48e 100644
--- a/arch/arm/include/asm/dma-iommu.h
+++ b/arch/arm/include/asm/dma-iommu.h
@@ -9,8 +9,6 @@
 #include <linux/dma-debug.h>
 #include <linux/kref.h>
 
-#define ARM_MAPPING_ERROR		(~(dma_addr_t)0x0)
-
 struct dma_iommu_mapping {
 	/* iommu specific data */
 	struct iommu_domain	*domain;
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 8436f6a..bdd80dd 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -18,7 +18,9 @@
 
 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
 {
-	return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : &dma_direct_ops;
+	if (IS_ENABLED(CONFIG_MMU) && !IS_ENABLED(CONFIG_ARM_LPAE))
+		return &arm_dma_ops;
+	return NULL;
 }
 
 #ifdef __arch_page_to_dma
@@ -89,26 +91,6 @@
 }
 #endif
 
-/* The ARM override for dma_max_pfn() */
-static inline unsigned long dma_max_pfn(struct device *dev)
-{
-	return dma_to_pfn(dev, *dev->dma_mask);
-}
-#define dma_max_pfn(dev) dma_max_pfn(dev)
-
-#define arch_setup_dma_ops arch_setup_dma_ops
-extern void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
-			       const struct iommu_ops *iommu, bool coherent);
-
-#define arch_teardown_dma_ops arch_teardown_dma_ops
-extern void arch_teardown_dma_ops(struct device *dev);
-
-/* do not use this function in a driver */
-static inline bool is_device_dma_coherent(struct device *dev)
-{
-	return dev->archdata.dma_coherent;
-}
-
 /**
  * arm_dma_alloc - allocate consistent memory for DMA
  * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
diff --git a/arch/arm/include/asm/dmi.h b/arch/arm/include/asm/dmi.h
index df2d2ff..32c95da 100644
--- a/arch/arm/include/asm/dmi.h
+++ b/arch/arm/include/asm/dmi.h
@@ -1,8 +1,4 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #ifndef __ASM_DMI_H
 #define __ASM_DMI_H
diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h
index 99d9f63..f1d0a78 100644
--- a/arch/arm/include/asm/domain.h
+++ b/arch/arm/include/asm/domain.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/domain.h
  *
  *  Copyright (C) 1999 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef __ASM_PROC_DOMAIN_H
 #define __ASM_PROC_DOMAIN_H
@@ -85,7 +82,7 @@
 #ifndef __ASSEMBLY__
 
 #ifdef CONFIG_CPU_CP15_MMU
-static inline unsigned int get_domain(void)
+static __always_inline unsigned int get_domain(void)
 {
 	unsigned int domain;
 
@@ -97,7 +94,7 @@
 	return domain;
 }
 
-static inline void set_domain(unsigned val)
+static __always_inline void set_domain(unsigned int val)
 {
 	asm volatile(
 	"mcr	p15, 0, %0, c3, c0	@ set domain"
@@ -105,12 +102,12 @@
 	isb();
 }
 #else
-static inline unsigned int get_domain(void)
+static __always_inline unsigned int get_domain(void)
 {
 	return 0;
 }
 
-static inline void set_domain(unsigned val)
+static __always_inline void set_domain(unsigned int val)
 {
 }
 #endif
@@ -133,9 +130,11 @@
  * instructions (inline assembly)
  */
 #ifdef CONFIG_CPU_USE_DOMAINS
-#define TUSER(instr)	#instr "t"
+#define TUSER(instr)		TUSERCOND(instr, )
+#define TUSERCOND(instr, cond)	#instr "t" #cond
 #else
-#define TUSER(instr)	#instr
+#define TUSER(instr)		TUSERCOND(instr, )
+#define TUSERCOND(instr, cond)	#instr #cond
 #endif
 
 #else /* __ASSEMBLY__ */
diff --git a/arch/arm/include/asm/edac.h b/arch/arm/include/asm/edac.h
index 5189fa8..16f95dd 100644
--- a/arch/arm/include/asm/edac.h
+++ b/arch/arm/include/asm/edac.h
@@ -1,18 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2011 Calxeda, Inc.
  * Based on PPC version Copyright 2007 MontaVista Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #ifndef ASM_EDAC_H
 #define ASM_EDAC_H
diff --git a/arch/arm/include/asm/efi.h b/arch/arm/include/asm/efi.h
index 38badaa..7667826 100644
--- a/arch/arm/include/asm/efi.h
+++ b/arch/arm/include/asm/efi.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef __ASM_ARM_EFI_H
diff --git a/arch/arm/include/asm/firmware.h b/arch/arm/include/asm/firmware.h
index 34c1d96..23fe0bd 100644
--- a/arch/arm/include/asm/firmware.h
+++ b/arch/arm/include/asm/firmware.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2012 Samsung Electronics.
  * Kyungmin Park <kyungmin.park@samsung.com>
  * Tomasz Figa <t.figa@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef __ASM_ARM_FIRMWARE_H
@@ -24,7 +21,7 @@
 	/*
 	 * Inform the firmware we intend to enter CPU idle mode
 	 */
-	int (*prepare_idle)(void);
+	int (*prepare_idle)(unsigned long mode);
 	/*
 	 * Enters CPU idle mode
 	 */
diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h
deleted file mode 100644
index f0c75dd..0000000
--- a/arch/arm/include/asm/flat.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * arch/arm/include/asm/flat.h -- uClinux flat-format executables
- */
-
-#ifndef __ARM_FLAT_H__
-#define __ARM_FLAT_H__
-
-#include <linux/uaccess.h>
-
-#define	flat_argvp_envp_on_stack()		1
-#define	flat_old_ram_flag(flags)		(flags)
-#define	flat_reloc_valid(reloc, size)		((reloc) <= (size))
-
-static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
-					u32 *addr, u32 *persistent)
-{
-#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
-	return copy_from_user(addr, rp, 4) ? -EFAULT : 0;
-#else
-	return get_user(*addr, rp);
-#endif
-}
-
-static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
-{
-#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
-	return copy_to_user(rp, &addr, 4) ? -EFAULT : 0;
-#else
-	return put_user(addr, rp);
-#endif
-}
-
-#define	flat_get_relocate_addr(rel)		(rel)
-#define	flat_set_persistent(relval, p)		0
-
-#endif /* __ARM_FLAT_H__ */
diff --git a/arch/arm/include/asm/floppy.h b/arch/arm/include/asm/floppy.h
index 85a34cc..f4fe4d0 100644
--- a/arch/arm/include/asm/floppy.h
+++ b/arch/arm/include/asm/floppy.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/floppy.h
  *
  *  Copyright (C) 1996-2000 Russell King
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  Note that we don't touch FLOPPY_DMA nor FLOPPY_IRQ here
  */
 #ifndef __ASM_ARM_FLOPPY_H
diff --git a/arch/arm/include/asm/fncpy.h b/arch/arm/include/asm/fncpy.h
index de53547..78217b0 100644
--- a/arch/arm/include/asm/fncpy.h
+++ b/arch/arm/include/asm/fncpy.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/fncpy.h - helper macros for function body copying
  *
  * Copyright (C) 2011 Linaro Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
 /*
diff --git a/arch/arm/include/asm/fpstate.h b/arch/arm/include/asm/fpstate.h
index 3ad4c10..9e2fe9c 100644
--- a/arch/arm/include/asm/fpstate.h
+++ b/arch/arm/include/asm/fpstate.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/fpstate.h
  *
  *  Copyright (C) 1995 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef __ASM_ARM_FPSTATE_H
diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h
index 9e842ff..18b0197 100644
--- a/arch/arm/include/asm/ftrace.h
+++ b/arch/arm/include/asm/ftrace.h
@@ -16,9 +16,6 @@
 
 #ifdef CONFIG_DYNAMIC_FTRACE
 struct dyn_arch_ftrace {
-#ifdef CONFIG_OLD_MCOUNT
-	bool	old_mcount;
-#endif
 };
 
 static inline unsigned long ftrace_call_adjust(unsigned long addr)
diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
index ffebe7b..83c391b 100644
--- a/arch/arm/include/asm/futex.h
+++ b/arch/arm/include/asm/futex.h
@@ -50,7 +50,7 @@
 	int ret;
 	u32 val;
 
-	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
+	if (!access_ok(uaddr, sizeof(u32)))
 		return -EFAULT;
 
 	smp_mb();
@@ -104,16 +104,17 @@
 	int ret = 0;
 	u32 val;
 
-	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
+	if (!access_ok(uaddr, sizeof(u32)))
 		return -EFAULT;
 
 	preempt_disable();
 	__ua_flags = uaccess_save_and_enable();
 	__asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n"
+	"	.syntax unified\n"
 	"1:	" TUSER(ldr) "	%1, [%4]\n"
 	"	teq	%1, %2\n"
 	"	it	eq	@ explicit IT needed for the 2b label\n"
-	"2:	" TUSER(streq) "	%3, [%4]\n"
+	"2:	" TUSERCOND(str, eq) "	%3, [%4]\n"
 	__futex_atomic_ex_table("%5")
 	: "+r" (ret), "=&r" (val)
 	: "r" (oldval), "r" (newval), "r" (uaddr), "Ir" (-EFAULT)
diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h
index 8d1f498..724f8da 100644
--- a/arch/arm/include/asm/glue-cache.h
+++ b/arch/arm/include/asm/glue-cache.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/glue-cache.h
  *
  *  Copyright (C) 1999-2002 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef ASM_GLUE_CACHE_H
 #define ASM_GLUE_CACHE_H
diff --git a/arch/arm/include/asm/glue-df.h b/arch/arm/include/asm/glue-df.h
index 04e18b6..209e46c 100644
--- a/arch/arm/include/asm/glue-df.h
+++ b/arch/arm/include/asm/glue-df.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/glue-df.h
  *
  *  Copyright (C) 1997-1999 Russell King
  *  Copyright (C) 2000-2002 Deep Blue Solutions Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef ASM_GLUE_DF_H
 #define ASM_GLUE_DF_H
diff --git a/arch/arm/include/asm/glue-pf.h b/arch/arm/include/asm/glue-pf.h
index d385f37..a033929 100644
--- a/arch/arm/include/asm/glue-pf.h
+++ b/arch/arm/include/asm/glue-pf.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/glue-pf.h
  *
  *  Copyright (C) 1997-1999 Russell King
  *  Copyright (C) 2000-2002 Deep Blue Solutions Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef ASM_GLUE_PF_H
 #define ASM_GLUE_PF_H
diff --git a/arch/arm/include/asm/glue-proc.h b/arch/arm/include/asm/glue-proc.h
index 74be7c2..52df74a 100644
--- a/arch/arm/include/asm/glue-proc.h
+++ b/arch/arm/include/asm/glue-proc.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/glue-proc.h
  *
  *  Copyright (C) 1997-1999 Russell King
  *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef ASM_GLUE_PROC_H
 #define ASM_GLUE_PROC_H
diff --git a/arch/arm/include/asm/glue.h b/arch/arm/include/asm/glue.h
index fbf71d7..377fd4c 100644
--- a/arch/arm/include/asm/glue.h
+++ b/arch/arm/include/asm/glue.h
@@ -1,13 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/glue.h
  *
  *  Copyright (C) 1997-1999 Russell King
  *  Copyright (C) 2000-2002 Deep Blue Solutions Ltd.
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  This file provides the glue to stick the processor-specific bits
  *  into the kernel in an efficient manner.  The idea is to use branches
  *  when we're only targeting one class of TLB, or indirect calls
diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
index cba23ea..7a88f16 100644
--- a/arch/arm/include/asm/hardirq.h
+++ b/arch/arm/include/asm/hardirq.h
@@ -6,6 +6,7 @@
 #include <linux/threads.h>
 #include <asm/irq.h>
 
+/* number of IPIS _not_ including IPI_CPU_BACKTRACE */
 #define NR_IPI	7
 
 typedef struct {
diff --git a/arch/arm/include/asm/hardware/cache-aurora-l2.h b/arch/arm/include/asm/hardware/cache-aurora-l2.h
new file mode 100644
index 0000000..39769ff
--- /dev/null
+++ b/arch/arm/include/asm/hardware/cache-aurora-l2.h
@@ -0,0 +1,103 @@
+/*
+ * AURORA shared L2 cache controller support
+ *
+ * Copyright (C) 2012 Marvell
+ *
+ * Yehuda Yitschak <yehuday@marvell.com>
+ * Gregory CLEMENT <gregory.clement@free-electrons.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARM_HARDWARE_AURORA_L2_H
+#define __ASM_ARM_HARDWARE_AURORA_L2_H
+
+#define AURORA_SYNC_REG		    0x700
+#define AURORA_RANGE_BASE_ADDR_REG  0x720
+#define AURORA_FLUSH_PHY_ADDR_REG   0x7f0
+#define AURORA_INVAL_RANGE_REG	    0x774
+#define AURORA_CLEAN_RANGE_REG	    0x7b4
+#define AURORA_FLUSH_RANGE_REG	    0x7f4
+
+#define AURORA_ACR_REPLACEMENT_OFFSET	    27
+#define AURORA_ACR_REPLACEMENT_MASK	     \
+	(0x3 << AURORA_ACR_REPLACEMENT_OFFSET)
+#define AURORA_ACR_REPLACEMENT_TYPE_WAYRR    \
+	(0 << AURORA_ACR_REPLACEMENT_OFFSET)
+#define AURORA_ACR_REPLACEMENT_TYPE_LFSR     \
+	(1 << AURORA_ACR_REPLACEMENT_OFFSET)
+#define AURORA_ACR_REPLACEMENT_TYPE_SEMIPLRU \
+	(3 << AURORA_ACR_REPLACEMENT_OFFSET)
+
+#define AURORA_ACR_PARITY_EN	(1 << 21)
+#define AURORA_ACR_ECC_EN	(1 << 20)
+
+#define AURORA_ACR_FORCE_WRITE_POLICY_OFFSET	0
+#define AURORA_ACR_FORCE_WRITE_POLICY_MASK	\
+	(0x3 << AURORA_ACR_FORCE_WRITE_POLICY_OFFSET)
+#define AURORA_ACR_FORCE_WRITE_POLICY_DIS	\
+	(0 << AURORA_ACR_FORCE_WRITE_POLICY_OFFSET)
+#define AURORA_ACR_FORCE_WRITE_BACK_POLICY	\
+	(1 << AURORA_ACR_FORCE_WRITE_POLICY_OFFSET)
+#define AURORA_ACR_FORCE_WRITE_THRO_POLICY	\
+	(2 << AURORA_ACR_FORCE_WRITE_POLICY_OFFSET)
+
+#define AURORA_ERR_CNT_REG          0x600
+#define AURORA_ERR_ATTR_CAP_REG     0x608
+#define AURORA_ERR_ADDR_CAP_REG     0x60c
+#define AURORA_ERR_WAY_CAP_REG      0x610
+#define AURORA_ERR_INJECT_CTL_REG   0x614
+#define AURORA_ERR_INJECT_MASK_REG  0x618
+
+#define AURORA_ERR_CNT_CLR_OFFSET         31
+#define AURORA_ERR_CNT_CLR		   \
+	(0x1 << AURORA_ERR_CNT_CLR_OFFSET)
+#define AURORA_ERR_CNT_UE_OFFSET          16
+#define AURORA_ERR_CNT_UE_MASK             \
+	(0x7fff << AURORA_ERR_CNT_UE_OFFSET)
+#define AURORA_ERR_CNT_CE_OFFSET           0
+#define AURORA_ERR_CNT_CE_MASK             \
+	(0xffff << AURORA_ERR_CNT_CE_OFFSET)
+
+#define AURORA_ERR_ATTR_SRC_OFF           16
+#define AURORA_ERR_ATTR_SRC_MSK            \
+	(0x7 << AURORA_ERR_ATTR_SRC_OFF)
+#define AURORA_ERR_ATTR_TXN_OFF           12
+#define AURORA_ERR_ATTR_TXN_MSK            \
+	(0xf << AURORA_ERR_ATTR_TXN_OFF)
+#define AURORA_ERR_ATTR_ERR_OFF            8
+#define AURORA_ERR_ATTR_ERR_MSK            \
+	(0x3 << AURORA_ERR_ATTR_ERR_OFF)
+#define AURORA_ERR_ATTR_CAP_VALID_OFF      0
+#define AURORA_ERR_ATTR_CAP_VALID          \
+	(0x1 << AURORA_ERR_ATTR_CAP_VALID_OFF)
+
+#define AURORA_ERR_ADDR_CAP_ADDR_MASK 0xffffffe0
+
+#define AURORA_ERR_WAY_IDX_OFF             8
+#define AURORA_ERR_WAY_IDX_MSK             \
+	(0xfff << AURORA_ERR_WAY_IDX_OFF)
+#define AURORA_ERR_WAY_CAP_WAY_OFFSET      1
+#define AURORA_ERR_WAY_CAP_WAY_MASK        \
+	(0xf << AURORA_ERR_WAY_CAP_WAY_OFFSET)
+
+#define AURORA_ERR_INJECT_CTL_ADDR_MASK 0xfffffff0
+#define AURORA_ERR_ATTR_TXN_OFF   12
+#define AURORA_ERR_INJECT_CTL_EN_MASK          0x3
+#define AURORA_ERR_INJECT_CTL_EN_PARITY        0x2
+#define AURORA_ERR_INJECT_CTL_EN_ECC           0x1
+
+#define AURORA_MAX_RANGE_SIZE	1024
+
+#define AURORA_WAY_SIZE_SHIFT	2
+
+#define AURORA_CTRL_FW		0x100
+
+/* chose a number outside L2X0_CACHE_ID_PART_MASK to be sure to make
+ * the distinction between a number coming from hardware and a number
+ * coming from the device tree */
+#define AURORA_CACHE_ID	       0x100
+
+#endif /* __ASM_ARM_HARDWARE_AURORA_L2_H */
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index 736292b..32edfad 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/hardware/cache-l2x0.h
  *
  * Copyright (C) 2007 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
 #ifndef __ASM_ARM_HARDWARE_L2X0_H
diff --git a/arch/arm/include/asm/hardware/cache-uniphier.h b/arch/arm/include/asm/hardware/cache-uniphier.h
index 0ef42ae..b1fefca 100644
--- a/arch/arm/include/asm/hardware/cache-uniphier.h
+++ b/arch/arm/include/asm/hardware/cache-uniphier.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (C) 2015-2016 Socionext Inc.
  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef __CACHE_UNIPHIER_H
diff --git a/arch/arm/include/asm/hardware/cp14.h b/arch/arm/include/asm/hardware/cp14.h
index 61576dc..44f2bde 100644
--- a/arch/arm/include/asm/hardware/cp14.h
+++ b/arch/arm/include/asm/hardware/cp14.h
@@ -1,13 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef __ASM_HARDWARE_CP14_H
diff --git a/arch/arm/include/asm/hardware/dec21285.h b/arch/arm/include/asm/hardware/dec21285.h
index 0d75527..3f18a56 100644
--- a/arch/arm/include/asm/hardware/dec21285.h
+++ b/arch/arm/include/asm/hardware/dec21285.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/hardware/dec21285.h
  *
  *  Copyright (C) 1998 Russell King
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  DC21285 registers
  */
 #define DC21285_PCI_IACK		0x79000000
diff --git a/arch/arm/include/asm/hardware/entry-macro-iomd.S b/arch/arm/include/asm/hardware/entry-macro-iomd.S
index 8c215ac..f769273 100644
--- a/arch/arm/include/asm/hardware/entry-macro-iomd.S
+++ b/arch/arm/include/asm/hardware/entry-macro-iomd.S
@@ -16,25 +16,25 @@
 		ldr	\tmp, =irq_prio_h
 		teq	\irqstat, #0
 #ifdef IOMD_BASE
-		ldreqb	\irqstat, [\base, #IOMD_DMAREQ]	@ get dma
+		ldrbeq	\irqstat, [\base, #IOMD_DMAREQ]	@ get dma
 		addeq	\tmp, \tmp, #256		@ irq_prio_h table size
 		teqeq	\irqstat, #0
 		bne	2406f
 #endif
-		ldreqb	\irqstat, [\base, #IOMD_IRQREQA]	@ get low priority
+		ldrbeq	\irqstat, [\base, #IOMD_IRQREQA]	@ get low priority
 		addeq	\tmp, \tmp, #256		@ irq_prio_d table size
 		teqeq	\irqstat, #0
 #ifdef IOMD_IRQREQC
-		ldreqb	\irqstat, [\base, #IOMD_IRQREQC]
+		ldrbeq	\irqstat, [\base, #IOMD_IRQREQC]
 		addeq	\tmp, \tmp, #256		@ irq_prio_l table size
 		teqeq	\irqstat, #0
 #endif
 #ifdef IOMD_IRQREQD
-		ldreqb	\irqstat, [\base, #IOMD_IRQREQD]
+		ldrbeq	\irqstat, [\base, #IOMD_IRQREQD]
 		addeq	\tmp, \tmp, #256		@ irq_prio_lc table size
 		teqeq	\irqstat, #0
 #endif
-2406:		ldrneb	\irqnr, [\tmp, \irqstat]	@ get IRQ number
+2406:		ldrbne	\irqnr, [\tmp, \irqstat]	@ get IRQ number
 		.endm
 
 /*
diff --git a/arch/arm/include/asm/hardware/ioc.h b/arch/arm/include/asm/hardware/ioc.h
index 1f6b801..6edd27f 100644
--- a/arch/arm/include/asm/hardware/ioc.h
+++ b/arch/arm/include/asm/hardware/ioc.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/hardware/ioc.h
  *
  *  Copyright (C) Russell King
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  Use these macros to read/write the IOC.  All it does is perform the actual
  *  read/write.
  */
diff --git a/arch/arm/include/asm/hardware/iomd.h b/arch/arm/include/asm/hardware/iomd.h
index f9ee69e..53006ba 100644
--- a/arch/arm/include/asm/hardware/iomd.h
+++ b/arch/arm/include/asm/hardware/iomd.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/hardware/iomd.h
  *
  *  Copyright (C) 1999 Russell King
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  This file contains information out the IOMD ASIC used in the
  *  Acorn RiscPC and subsequently integrated into the CLPS7500 chips.
  */
diff --git a/arch/arm/include/asm/hardware/iop3xx-adma.h b/arch/arm/include/asm/hardware/iop3xx-adma.h
deleted file mode 100644
index 240b29e..0000000
--- a/arch/arm/include/asm/hardware/iop3xx-adma.h
+++ /dev/null
@@ -1,932 +0,0 @@
-/*
- * Copyright © 2006, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-#ifndef _ADMA_H
-#define _ADMA_H
-#include <linux/types.h>
-#include <linux/io.h>
-#include <mach/hardware.h>
-#include <asm/hardware/iop_adma.h>
-
-/* Memory copy units */
-#define DMA_CCR(chan)		(chan->mmr_base + 0x0)
-#define DMA_CSR(chan)		(chan->mmr_base + 0x4)
-#define DMA_DAR(chan)		(chan->mmr_base + 0xc)
-#define DMA_NDAR(chan)		(chan->mmr_base + 0x10)
-#define DMA_PADR(chan)		(chan->mmr_base + 0x14)
-#define DMA_PUADR(chan)	(chan->mmr_base + 0x18)
-#define DMA_LADR(chan)		(chan->mmr_base + 0x1c)
-#define DMA_BCR(chan)		(chan->mmr_base + 0x20)
-#define DMA_DCR(chan)		(chan->mmr_base + 0x24)
-
-/* Application accelerator unit  */
-#define AAU_ACR(chan)		(chan->mmr_base + 0x0)
-#define AAU_ASR(chan)		(chan->mmr_base + 0x4)
-#define AAU_ADAR(chan)		(chan->mmr_base + 0x8)
-#define AAU_ANDAR(chan)	(chan->mmr_base + 0xc)
-#define AAU_SAR(src, chan)	(chan->mmr_base + (0x10 + ((src) << 2)))
-#define AAU_DAR(chan)		(chan->mmr_base + 0x20)
-#define AAU_ABCR(chan)		(chan->mmr_base + 0x24)
-#define AAU_ADCR(chan)		(chan->mmr_base + 0x28)
-#define AAU_SAR_EDCR(src_edc)	(chan->mmr_base + (0x02c + ((src_edc-4) << 2)))
-#define AAU_EDCR0_IDX	8
-#define AAU_EDCR1_IDX	17
-#define AAU_EDCR2_IDX	26
-
-#define DMA0_ID 0
-#define DMA1_ID 1
-#define AAU_ID 2
-
-struct iop3xx_aau_desc_ctrl {
-	unsigned int int_en:1;
-	unsigned int blk1_cmd_ctrl:3;
-	unsigned int blk2_cmd_ctrl:3;
-	unsigned int blk3_cmd_ctrl:3;
-	unsigned int blk4_cmd_ctrl:3;
-	unsigned int blk5_cmd_ctrl:3;
-	unsigned int blk6_cmd_ctrl:3;
-	unsigned int blk7_cmd_ctrl:3;
-	unsigned int blk8_cmd_ctrl:3;
-	unsigned int blk_ctrl:2;
-	unsigned int dual_xor_en:1;
-	unsigned int tx_complete:1;
-	unsigned int zero_result_err:1;
-	unsigned int zero_result_en:1;
-	unsigned int dest_write_en:1;
-};
-
-struct iop3xx_aau_e_desc_ctrl {
-	unsigned int reserved:1;
-	unsigned int blk1_cmd_ctrl:3;
-	unsigned int blk2_cmd_ctrl:3;
-	unsigned int blk3_cmd_ctrl:3;
-	unsigned int blk4_cmd_ctrl:3;
-	unsigned int blk5_cmd_ctrl:3;
-	unsigned int blk6_cmd_ctrl:3;
-	unsigned int blk7_cmd_ctrl:3;
-	unsigned int blk8_cmd_ctrl:3;
-	unsigned int reserved2:7;
-};
-
-struct iop3xx_dma_desc_ctrl {
-	unsigned int pci_transaction:4;
-	unsigned int int_en:1;
-	unsigned int dac_cycle_en:1;
-	unsigned int mem_to_mem_en:1;
-	unsigned int crc_data_tx_en:1;
-	unsigned int crc_gen_en:1;
-	unsigned int crc_seed_dis:1;
-	unsigned int reserved:21;
-	unsigned int crc_tx_complete:1;
-};
-
-struct iop3xx_desc_dma {
-	u32 next_desc;
-	union {
-		u32 pci_src_addr;
-		u32 pci_dest_addr;
-		u32 src_addr;
-	};
-	union {
-		u32 upper_pci_src_addr;
-		u32 upper_pci_dest_addr;
-	};
-	union {
-		u32 local_pci_src_addr;
-		u32 local_pci_dest_addr;
-		u32 dest_addr;
-	};
-	u32 byte_count;
-	union {
-		u32 desc_ctrl;
-		struct iop3xx_dma_desc_ctrl desc_ctrl_field;
-	};
-	u32 crc_addr;
-};
-
-struct iop3xx_desc_aau {
-	u32 next_desc;
-	u32 src[4];
-	u32 dest_addr;
-	u32 byte_count;
-	union {
-		u32 desc_ctrl;
-		struct iop3xx_aau_desc_ctrl desc_ctrl_field;
-	};
-	union {
-		u32 src_addr;
-		u32 e_desc_ctrl;
-		struct iop3xx_aau_e_desc_ctrl e_desc_ctrl_field;
-	} src_edc[31];
-};
-
-struct iop3xx_aau_gfmr {
-	unsigned int gfmr1:8;
-	unsigned int gfmr2:8;
-	unsigned int gfmr3:8;
-	unsigned int gfmr4:8;
-};
-
-struct iop3xx_desc_pq_xor {
-	u32 next_desc;
-	u32 src[3];
-	union {
-		u32 data_mult1;
-		struct iop3xx_aau_gfmr data_mult1_field;
-	};
-	u32 dest_addr;
-	u32 byte_count;
-	union {
-		u32 desc_ctrl;
-		struct iop3xx_aau_desc_ctrl desc_ctrl_field;
-	};
-	union {
-		u32 src_addr;
-		u32 e_desc_ctrl;
-		struct iop3xx_aau_e_desc_ctrl e_desc_ctrl_field;
-		u32 data_multiplier;
-		struct iop3xx_aau_gfmr data_mult_field;
-		u32 reserved;
-	} src_edc_gfmr[19];
-};
-
-struct iop3xx_desc_dual_xor {
-	u32 next_desc;
-	u32 src0_addr;
-	u32 src1_addr;
-	u32 h_src_addr;
-	u32 d_src_addr;
-	u32 h_dest_addr;
-	u32 byte_count;
-	union {
-		u32 desc_ctrl;
-		struct iop3xx_aau_desc_ctrl desc_ctrl_field;
-	};
-	u32 d_dest_addr;
-};
-
-union iop3xx_desc {
-	struct iop3xx_desc_aau *aau;
-	struct iop3xx_desc_dma *dma;
-	struct iop3xx_desc_pq_xor *pq_xor;
-	struct iop3xx_desc_dual_xor *dual_xor;
-	void *ptr;
-};
-
-/* No support for p+q operations */
-static inline int
-iop_chan_pq_slot_count(size_t len, int src_cnt, int *slots_per_op)
-{
-	BUG();
-	return 0;
-}
-
-static inline void
-iop_desc_init_pq(struct iop_adma_desc_slot *desc, int src_cnt,
-		  unsigned long flags)
-{
-	BUG();
-}
-
-static inline void
-iop_desc_set_pq_addr(struct iop_adma_desc_slot *desc, dma_addr_t *addr)
-{
-	BUG();
-}
-
-static inline void
-iop_desc_set_pq_src_addr(struct iop_adma_desc_slot *desc, int src_idx,
-			 dma_addr_t addr, unsigned char coef)
-{
-	BUG();
-}
-
-static inline int
-iop_chan_pq_zero_sum_slot_count(size_t len, int src_cnt, int *slots_per_op)
-{
-	BUG();
-	return 0;
-}
-
-static inline void
-iop_desc_init_pq_zero_sum(struct iop_adma_desc_slot *desc, int src_cnt,
-			  unsigned long flags)
-{
-	BUG();
-}
-
-static inline void
-iop_desc_set_pq_zero_sum_byte_count(struct iop_adma_desc_slot *desc, u32 len)
-{
-	BUG();
-}
-
-#define iop_desc_set_pq_zero_sum_src_addr iop_desc_set_pq_src_addr
-
-static inline void
-iop_desc_set_pq_zero_sum_addr(struct iop_adma_desc_slot *desc, int pq_idx,
-			      dma_addr_t *src)
-{
-	BUG();
-}
-
-static inline int iop_adma_get_max_xor(void)
-{
-	return 32;
-}
-
-static inline int iop_adma_get_max_pq(void)
-{
-	BUG();
-	return 0;
-}
-
-static inline u32 iop_chan_get_current_descriptor(struct iop_adma_chan *chan)
-{
-	int id = chan->device->id;
-
-	switch (id) {
-	case DMA0_ID:
-	case DMA1_ID:
-		return __raw_readl(DMA_DAR(chan));
-	case AAU_ID:
-		return __raw_readl(AAU_ADAR(chan));
-	default:
-		BUG();
-	}
-	return 0;
-}
-
-static inline void iop_chan_set_next_descriptor(struct iop_adma_chan *chan,
-						u32 next_desc_addr)
-{
-	int id = chan->device->id;
-
-	switch (id) {
-	case DMA0_ID:
-	case DMA1_ID:
-		__raw_writel(next_desc_addr, DMA_NDAR(chan));
-		break;
-	case AAU_ID:
-		__raw_writel(next_desc_addr, AAU_ANDAR(chan));
-		break;
-	}
-
-}
-
-#define IOP_ADMA_STATUS_BUSY (1 << 10)
-#define IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT (1024)
-#define IOP_ADMA_XOR_MAX_BYTE_COUNT (16 * 1024 * 1024)
-#define IOP_ADMA_MAX_BYTE_COUNT (16 * 1024 * 1024)
-
-static inline int iop_chan_is_busy(struct iop_adma_chan *chan)
-{
-	u32 status = __raw_readl(DMA_CSR(chan));
-	return (status & IOP_ADMA_STATUS_BUSY) ? 1 : 0;
-}
-
-static inline int iop_desc_is_aligned(struct iop_adma_desc_slot *desc,
-					int num_slots)
-{
-	/* num_slots will only ever be 1, 2, 4, or 8 */
-	return (desc->idx & (num_slots - 1)) ? 0 : 1;
-}
-
-/* to do: support large (i.e. > hw max) buffer sizes */
-static inline int iop_chan_memcpy_slot_count(size_t len, int *slots_per_op)
-{
-	*slots_per_op = 1;
-	return 1;
-}
-
-/* to do: support large (i.e. > hw max) buffer sizes */
-static inline int iop_chan_memset_slot_count(size_t len, int *slots_per_op)
-{
-	*slots_per_op = 1;
-	return 1;
-}
-
-static inline int iop3xx_aau_xor_slot_count(size_t len, int src_cnt,
-					int *slots_per_op)
-{
-	static const char slot_count_table[] = {
-						1, 1, 1, 1, /* 01 - 04 */
-						2, 2, 2, 2, /* 05 - 08 */
-						4, 4, 4, 4, /* 09 - 12 */
-						4, 4, 4, 4, /* 13 - 16 */
-						8, 8, 8, 8, /* 17 - 20 */
-						8, 8, 8, 8, /* 21 - 24 */
-						8, 8, 8, 8, /* 25 - 28 */
-						8, 8, 8, 8, /* 29 - 32 */
-					      };
-	*slots_per_op = slot_count_table[src_cnt - 1];
-	return *slots_per_op;
-}
-
-static inline int
-iop_chan_interrupt_slot_count(int *slots_per_op, struct iop_adma_chan *chan)
-{
-	switch (chan->device->id) {
-	case DMA0_ID:
-	case DMA1_ID:
-		return iop_chan_memcpy_slot_count(0, slots_per_op);
-	case AAU_ID:
-		return iop3xx_aau_xor_slot_count(0, 2, slots_per_op);
-	default:
-		BUG();
-	}
-	return 0;
-}
-
-static inline int iop_chan_xor_slot_count(size_t len, int src_cnt,
-						int *slots_per_op)
-{
-	int slot_cnt = iop3xx_aau_xor_slot_count(len, src_cnt, slots_per_op);
-
-	if (len <= IOP_ADMA_XOR_MAX_BYTE_COUNT)
-		return slot_cnt;
-
-	len -= IOP_ADMA_XOR_MAX_BYTE_COUNT;
-	while (len > IOP_ADMA_XOR_MAX_BYTE_COUNT) {
-		len -= IOP_ADMA_XOR_MAX_BYTE_COUNT;
-		slot_cnt += *slots_per_op;
-	}
-
-	slot_cnt += *slots_per_op;
-
-	return slot_cnt;
-}
-
-/* zero sum on iop3xx is limited to 1k at a time so it requires multiple
- * descriptors
- */
-static inline int iop_chan_zero_sum_slot_count(size_t len, int src_cnt,
-						int *slots_per_op)
-{
-	int slot_cnt = iop3xx_aau_xor_slot_count(len, src_cnt, slots_per_op);
-
-	if (len <= IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT)
-		return slot_cnt;
-
-	len -= IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT;
-	while (len > IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT) {
-		len -= IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT;
-		slot_cnt += *slots_per_op;
-	}
-
-	slot_cnt += *slots_per_op;
-
-	return slot_cnt;
-}
-
-static inline u32 iop_desc_get_byte_count(struct iop_adma_desc_slot *desc,
-					struct iop_adma_chan *chan)
-{
-	union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, };
-
-	switch (chan->device->id) {
-	case DMA0_ID:
-	case DMA1_ID:
-		return hw_desc.dma->byte_count;
-	case AAU_ID:
-		return hw_desc.aau->byte_count;
-	default:
-		BUG();
-	}
-	return 0;
-}
-
-/* translate the src_idx to a descriptor word index */
-static inline int __desc_idx(int src_idx)
-{
-	static const int desc_idx_table[] = { 0, 0, 0, 0,
-					      0, 1, 2, 3,
-					      5, 6, 7, 8,
-					      9, 10, 11, 12,
-					      14, 15, 16, 17,
-					      18, 19, 20, 21,
-					      23, 24, 25, 26,
-					      27, 28, 29, 30,
-					    };
-
-	return desc_idx_table[src_idx];
-}
-
-static inline u32 iop_desc_get_src_addr(struct iop_adma_desc_slot *desc,
-					struct iop_adma_chan *chan,
-					int src_idx)
-{
-	union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, };
-
-	switch (chan->device->id) {
-	case DMA0_ID:
-	case DMA1_ID:
-		return hw_desc.dma->src_addr;
-	case AAU_ID:
-		break;
-	default:
-		BUG();
-	}
-
-	if (src_idx < 4)
-		return hw_desc.aau->src[src_idx];
-	else
-		return hw_desc.aau->src_edc[__desc_idx(src_idx)].src_addr;
-}
-
-static inline void iop3xx_aau_desc_set_src_addr(struct iop3xx_desc_aau *hw_desc,
-					int src_idx, dma_addr_t addr)
-{
-	if (src_idx < 4)
-		hw_desc->src[src_idx] = addr;
-	else
-		hw_desc->src_edc[__desc_idx(src_idx)].src_addr = addr;
-}
-
-static inline void
-iop_desc_init_memcpy(struct iop_adma_desc_slot *desc, unsigned long flags)
-{
-	struct iop3xx_desc_dma *hw_desc = desc->hw_desc;
-	union {
-		u32 value;
-		struct iop3xx_dma_desc_ctrl field;
-	} u_desc_ctrl;
-
-	u_desc_ctrl.value = 0;
-	u_desc_ctrl.field.mem_to_mem_en = 1;
-	u_desc_ctrl.field.pci_transaction = 0xe; /* memory read block */
-	u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;
-	hw_desc->desc_ctrl = u_desc_ctrl.value;
-	hw_desc->upper_pci_src_addr = 0;
-	hw_desc->crc_addr = 0;
-}
-
-static inline void
-iop_desc_init_memset(struct iop_adma_desc_slot *desc, unsigned long flags)
-{
-	struct iop3xx_desc_aau *hw_desc = desc->hw_desc;
-	union {
-		u32 value;
-		struct iop3xx_aau_desc_ctrl field;
-	} u_desc_ctrl;
-
-	u_desc_ctrl.value = 0;
-	u_desc_ctrl.field.blk1_cmd_ctrl = 0x2; /* memory block fill */
-	u_desc_ctrl.field.dest_write_en = 1;
-	u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;
-	hw_desc->desc_ctrl = u_desc_ctrl.value;
-}
-
-static inline u32
-iop3xx_desc_init_xor(struct iop3xx_desc_aau *hw_desc, int src_cnt,
-		     unsigned long flags)
-{
-	int i, shift;
-	u32 edcr;
-	union {
-		u32 value;
-		struct iop3xx_aau_desc_ctrl field;
-	} u_desc_ctrl;
-
-	u_desc_ctrl.value = 0;
-	switch (src_cnt) {
-	case 25 ... 32:
-		u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */
-		edcr = 0;
-		shift = 1;
-		for (i = 24; i < src_cnt; i++) {
-			edcr |= (1 << shift);
-			shift += 3;
-		}
-		hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = edcr;
-		src_cnt = 24;
-		/* fall through */
-	case 17 ... 24:
-		if (!u_desc_ctrl.field.blk_ctrl) {
-			hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = 0;
-			u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */
-		}
-		edcr = 0;
-		shift = 1;
-		for (i = 16; i < src_cnt; i++) {
-			edcr |= (1 << shift);
-			shift += 3;
-		}
-		hw_desc->src_edc[AAU_EDCR1_IDX].e_desc_ctrl = edcr;
-		src_cnt = 16;
-		/* fall through */
-	case 9 ... 16:
-		if (!u_desc_ctrl.field.blk_ctrl)
-			u_desc_ctrl.field.blk_ctrl = 0x2; /* use EDCR0 */
-		edcr = 0;
-		shift = 1;
-		for (i = 8; i < src_cnt; i++) {
-			edcr |= (1 << shift);
-			shift += 3;
-		}
-		hw_desc->src_edc[AAU_EDCR0_IDX].e_desc_ctrl = edcr;
-		src_cnt = 8;
-		/* fall through */
-	case 2 ... 8:
-		shift = 1;
-		for (i = 0; i < src_cnt; i++) {
-			u_desc_ctrl.value |= (1 << shift);
-			shift += 3;
-		}
-
-		if (!u_desc_ctrl.field.blk_ctrl && src_cnt > 4)
-			u_desc_ctrl.field.blk_ctrl = 0x1; /* use mini-desc */
-	}
-
-	u_desc_ctrl.field.dest_write_en = 1;
-	u_desc_ctrl.field.blk1_cmd_ctrl = 0x7; /* direct fill */
-	u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;
-	hw_desc->desc_ctrl = u_desc_ctrl.value;
-
-	return u_desc_ctrl.value;
-}
-
-static inline void
-iop_desc_init_xor(struct iop_adma_desc_slot *desc, int src_cnt,
-		  unsigned long flags)
-{
-	iop3xx_desc_init_xor(desc->hw_desc, src_cnt, flags);
-}
-
-/* return the number of operations */
-static inline int
-iop_desc_init_zero_sum(struct iop_adma_desc_slot *desc, int src_cnt,
-		       unsigned long flags)
-{
-	int slot_cnt = desc->slot_cnt, slots_per_op = desc->slots_per_op;
-	struct iop3xx_desc_aau *hw_desc, *prev_hw_desc, *iter;
-	union {
-		u32 value;
-		struct iop3xx_aau_desc_ctrl field;
-	} u_desc_ctrl;
-	int i, j;
-
-	hw_desc = desc->hw_desc;
-
-	for (i = 0, j = 0; (slot_cnt -= slots_per_op) >= 0;
-		i += slots_per_op, j++) {
-		iter = iop_hw_desc_slot_idx(hw_desc, i);
-		u_desc_ctrl.value = iop3xx_desc_init_xor(iter, src_cnt, flags);
-		u_desc_ctrl.field.dest_write_en = 0;
-		u_desc_ctrl.field.zero_result_en = 1;
-		u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;
-		iter->desc_ctrl = u_desc_ctrl.value;
-
-		/* for the subsequent descriptors preserve the store queue
-		 * and chain them together
-		 */
-		if (i) {
-			prev_hw_desc =
-				iop_hw_desc_slot_idx(hw_desc, i - slots_per_op);
-			prev_hw_desc->next_desc =
-				(u32) (desc->async_tx.phys + (i << 5));
-		}
-	}
-
-	return j;
-}
-
-static inline void
-iop_desc_init_null_xor(struct iop_adma_desc_slot *desc, int src_cnt,
-		       unsigned long flags)
-{
-	struct iop3xx_desc_aau *hw_desc = desc->hw_desc;
-	union {
-		u32 value;
-		struct iop3xx_aau_desc_ctrl field;
-	} u_desc_ctrl;
-
-	u_desc_ctrl.value = 0;
-	switch (src_cnt) {
-	case 25 ... 32:
-		u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */
-		hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = 0;
-		/* fall through */
-	case 17 ... 24:
-		if (!u_desc_ctrl.field.blk_ctrl) {
-			hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = 0;
-			u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */
-		}
-		hw_desc->src_edc[AAU_EDCR1_IDX].e_desc_ctrl = 0;
-		/* fall through */
-	case 9 ... 16:
-		if (!u_desc_ctrl.field.blk_ctrl)
-			u_desc_ctrl.field.blk_ctrl = 0x2; /* use EDCR0 */
-		hw_desc->src_edc[AAU_EDCR0_IDX].e_desc_ctrl = 0;
-		/* fall through */
-	case 1 ... 8:
-		if (!u_desc_ctrl.field.blk_ctrl && src_cnt > 4)
-			u_desc_ctrl.field.blk_ctrl = 0x1; /* use mini-desc */
-	}
-
-	u_desc_ctrl.field.dest_write_en = 0;
-	u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;
-	hw_desc->desc_ctrl = u_desc_ctrl.value;
-}
-
-static inline void iop_desc_set_byte_count(struct iop_adma_desc_slot *desc,
-					struct iop_adma_chan *chan,
-					u32 byte_count)
-{
-	union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, };
-
-	switch (chan->device->id) {
-	case DMA0_ID:
-	case DMA1_ID:
-		hw_desc.dma->byte_count = byte_count;
-		break;
-	case AAU_ID:
-		hw_desc.aau->byte_count = byte_count;
-		break;
-	default:
-		BUG();
-	}
-}
-
-static inline void
-iop_desc_init_interrupt(struct iop_adma_desc_slot *desc,
-			struct iop_adma_chan *chan)
-{
-	union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, };
-
-	switch (chan->device->id) {
-	case DMA0_ID:
-	case DMA1_ID:
-		iop_desc_init_memcpy(desc, 1);
-		hw_desc.dma->byte_count = 0;
-		hw_desc.dma->dest_addr = 0;
-		hw_desc.dma->src_addr = 0;
-		break;
-	case AAU_ID:
-		iop_desc_init_null_xor(desc, 2, 1);
-		hw_desc.aau->byte_count = 0;
-		hw_desc.aau->dest_addr = 0;
-		hw_desc.aau->src[0] = 0;
-		hw_desc.aau->src[1] = 0;
-		break;
-	default:
-		BUG();
-	}
-}
-
-static inline void
-iop_desc_set_zero_sum_byte_count(struct iop_adma_desc_slot *desc, u32 len)
-{
-	int slots_per_op = desc->slots_per_op;
-	struct iop3xx_desc_aau *hw_desc = desc->hw_desc, *iter;
-	int i = 0;
-
-	if (len <= IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT) {
-		hw_desc->byte_count = len;
-	} else {
-		do {
-			iter = iop_hw_desc_slot_idx(hw_desc, i);
-			iter->byte_count = IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT;
-			len -= IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT;
-			i += slots_per_op;
-		} while (len > IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT);
-
-		iter = iop_hw_desc_slot_idx(hw_desc, i);
-		iter->byte_count = len;
-	}
-}
-
-static inline void iop_desc_set_dest_addr(struct iop_adma_desc_slot *desc,
-					struct iop_adma_chan *chan,
-					dma_addr_t addr)
-{
-	union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, };
-
-	switch (chan->device->id) {
-	case DMA0_ID:
-	case DMA1_ID:
-		hw_desc.dma->dest_addr = addr;
-		break;
-	case AAU_ID:
-		hw_desc.aau->dest_addr = addr;
-		break;
-	default:
-		BUG();
-	}
-}
-
-static inline void iop_desc_set_memcpy_src_addr(struct iop_adma_desc_slot *desc,
-					dma_addr_t addr)
-{
-	struct iop3xx_desc_dma *hw_desc = desc->hw_desc;
-	hw_desc->src_addr = addr;
-}
-
-static inline void
-iop_desc_set_zero_sum_src_addr(struct iop_adma_desc_slot *desc, int src_idx,
-				dma_addr_t addr)
-{
-
-	struct iop3xx_desc_aau *hw_desc = desc->hw_desc, *iter;
-	int slot_cnt = desc->slot_cnt, slots_per_op = desc->slots_per_op;
-	int i;
-
-	for (i = 0; (slot_cnt -= slots_per_op) >= 0;
-		i += slots_per_op, addr += IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT) {
-		iter = iop_hw_desc_slot_idx(hw_desc, i);
-		iop3xx_aau_desc_set_src_addr(iter, src_idx, addr);
-	}
-}
-
-static inline void iop_desc_set_xor_src_addr(struct iop_adma_desc_slot *desc,
-					int src_idx, dma_addr_t addr)
-{
-
-	struct iop3xx_desc_aau *hw_desc = desc->hw_desc, *iter;
-	int slot_cnt = desc->slot_cnt, slots_per_op = desc->slots_per_op;
-	int i;
-
-	for (i = 0; (slot_cnt -= slots_per_op) >= 0;
-		i += slots_per_op, addr += IOP_ADMA_XOR_MAX_BYTE_COUNT) {
-		iter = iop_hw_desc_slot_idx(hw_desc, i);
-		iop3xx_aau_desc_set_src_addr(iter, src_idx, addr);
-	}
-}
-
-static inline void iop_desc_set_next_desc(struct iop_adma_desc_slot *desc,
-					u32 next_desc_addr)
-{
-	/* hw_desc->next_desc is the same location for all channels */
-	union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, };
-
-	iop_paranoia(hw_desc.dma->next_desc);
-	hw_desc.dma->next_desc = next_desc_addr;
-}
-
-static inline u32 iop_desc_get_next_desc(struct iop_adma_desc_slot *desc)
-{
-	/* hw_desc->next_desc is the same location for all channels */
-	union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, };
-	return hw_desc.dma->next_desc;
-}
-
-static inline void iop_desc_clear_next_desc(struct iop_adma_desc_slot *desc)
-{
-	/* hw_desc->next_desc is the same location for all channels */
-	union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, };
-	hw_desc.dma->next_desc = 0;
-}
-
-static inline void iop_desc_set_block_fill_val(struct iop_adma_desc_slot *desc,
-						u32 val)
-{
-	struct iop3xx_desc_aau *hw_desc = desc->hw_desc;
-	hw_desc->src[0] = val;
-}
-
-static inline enum sum_check_flags
-iop_desc_get_zero_result(struct iop_adma_desc_slot *desc)
-{
-	struct iop3xx_desc_aau *hw_desc = desc->hw_desc;
-	struct iop3xx_aau_desc_ctrl desc_ctrl = hw_desc->desc_ctrl_field;
-
-	iop_paranoia(!(desc_ctrl.tx_complete && desc_ctrl.zero_result_en));
-	return desc_ctrl.zero_result_err << SUM_CHECK_P;
-}
-
-static inline void iop_chan_append(struct iop_adma_chan *chan)
-{
-	u32 dma_chan_ctrl;
-
-	dma_chan_ctrl = __raw_readl(DMA_CCR(chan));
-	dma_chan_ctrl |= 0x2;
-	__raw_writel(dma_chan_ctrl, DMA_CCR(chan));
-}
-
-static inline u32 iop_chan_get_status(struct iop_adma_chan *chan)
-{
-	return __raw_readl(DMA_CSR(chan));
-}
-
-static inline void iop_chan_disable(struct iop_adma_chan *chan)
-{
-	u32 dma_chan_ctrl = __raw_readl(DMA_CCR(chan));
-	dma_chan_ctrl &= ~1;
-	__raw_writel(dma_chan_ctrl, DMA_CCR(chan));
-}
-
-static inline void iop_chan_enable(struct iop_adma_chan *chan)
-{
-	u32 dma_chan_ctrl = __raw_readl(DMA_CCR(chan));
-
-	dma_chan_ctrl |= 1;
-	__raw_writel(dma_chan_ctrl, DMA_CCR(chan));
-}
-
-static inline void iop_adma_device_clear_eot_status(struct iop_adma_chan *chan)
-{
-	u32 status = __raw_readl(DMA_CSR(chan));
-	status &= (1 << 9);
-	__raw_writel(status, DMA_CSR(chan));
-}
-
-static inline void iop_adma_device_clear_eoc_status(struct iop_adma_chan *chan)
-{
-	u32 status = __raw_readl(DMA_CSR(chan));
-	status &= (1 << 8);
-	__raw_writel(status, DMA_CSR(chan));
-}
-
-static inline void iop_adma_device_clear_err_status(struct iop_adma_chan *chan)
-{
-	u32 status = __raw_readl(DMA_CSR(chan));
-
-	switch (chan->device->id) {
-	case DMA0_ID:
-	case DMA1_ID:
-		status &= (1 << 5) | (1 << 3) | (1 << 2) | (1 << 1);
-		break;
-	case AAU_ID:
-		status &= (1 << 5);
-		break;
-	default:
-		BUG();
-	}
-
-	__raw_writel(status, DMA_CSR(chan));
-}
-
-static inline int
-iop_is_err_int_parity(unsigned long status, struct iop_adma_chan *chan)
-{
-	return 0;
-}
-
-static inline int
-iop_is_err_mcu_abort(unsigned long status, struct iop_adma_chan *chan)
-{
-	return 0;
-}
-
-static inline int
-iop_is_err_int_tabort(unsigned long status, struct iop_adma_chan *chan)
-{
-	return 0;
-}
-
-static inline int
-iop_is_err_int_mabort(unsigned long status, struct iop_adma_chan *chan)
-{
-	return test_bit(5, &status);
-}
-
-static inline int
-iop_is_err_pci_tabort(unsigned long status, struct iop_adma_chan *chan)
-{
-	switch (chan->device->id) {
-	case DMA0_ID:
-	case DMA1_ID:
-		return test_bit(2, &status);
-	default:
-		return 0;
-	}
-}
-
-static inline int
-iop_is_err_pci_mabort(unsigned long status, struct iop_adma_chan *chan)
-{
-	switch (chan->device->id) {
-	case DMA0_ID:
-	case DMA1_ID:
-		return test_bit(3, &status);
-	default:
-		return 0;
-	}
-}
-
-static inline int
-iop_is_err_split_tx(unsigned long status, struct iop_adma_chan *chan)
-{
-	switch (chan->device->id) {
-	case DMA0_ID:
-	case DMA1_ID:
-		return test_bit(1, &status);
-	default:
-		return 0;
-	}
-}
-#endif /* _ADMA_H */
diff --git a/arch/arm/include/asm/hardware/iop3xx.h b/arch/arm/include/asm/hardware/iop3xx.h
deleted file mode 100644
index 2594a95..0000000
--- a/arch/arm/include/asm/hardware/iop3xx.h
+++ /dev/null
@@ -1,312 +0,0 @@
-/*
- * arch/arm/include/asm/hardware/iop3xx.h
- *
- * Intel IOP32X and IOP33X register definitions
- *
- * Author: Rory Bolt <rorybolt@pacbell.net>
- * Copyright (C) 2002 Rory Bolt
- * Copyright (C) 2004 Intel Corp.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __IOP3XX_H
-#define __IOP3XX_H
-
-/*
- * IOP3XX GPIO handling
- */
-#define IOP3XX_GPIO_LINE(x)	(x)
-
-#ifndef __ASSEMBLY__
-extern int init_atu;
-extern int iop3xx_get_init_atu(void);
-#endif
-
-
-/*
- * IOP3XX processor registers
- */
-#define IOP3XX_PERIPHERAL_PHYS_BASE	0xffffe000
-#define IOP3XX_PERIPHERAL_VIRT_BASE	0xfedfe000
-#define IOP3XX_PERIPHERAL_SIZE		0x00002000
-#define IOP3XX_PERIPHERAL_UPPER_PA (IOP3XX_PERIPHERAL_PHYS_BASE +\
-					IOP3XX_PERIPHERAL_SIZE - 1)
-#define IOP3XX_PERIPHERAL_UPPER_VA (IOP3XX_PERIPHERAL_VIRT_BASE +\
-					IOP3XX_PERIPHERAL_SIZE - 1)
-#define IOP3XX_PMMR_PHYS_TO_VIRT(addr) (u32) ((u32) (addr) -\
-					(IOP3XX_PERIPHERAL_PHYS_BASE\
-					- IOP3XX_PERIPHERAL_VIRT_BASE))
-#define IOP3XX_REG_ADDR(reg)		(IOP3XX_PERIPHERAL_VIRT_BASE + (reg))
-
-/* Address Translation Unit  */
-#define IOP3XX_ATUVID		(volatile u16 *)IOP3XX_REG_ADDR(0x0100)
-#define IOP3XX_ATUDID		(volatile u16 *)IOP3XX_REG_ADDR(0x0102)
-#define IOP3XX_ATUCMD		(volatile u16 *)IOP3XX_REG_ADDR(0x0104)
-#define IOP3XX_ATUSR		(volatile u16 *)IOP3XX_REG_ADDR(0x0106)
-#define IOP3XX_ATURID		(volatile u8  *)IOP3XX_REG_ADDR(0x0108)
-#define IOP3XX_ATUCCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0109)
-#define IOP3XX_ATUCLSR		(volatile u8  *)IOP3XX_REG_ADDR(0x010c)
-#define IOP3XX_ATULT		(volatile u8  *)IOP3XX_REG_ADDR(0x010d)
-#define IOP3XX_ATUHTR		(volatile u8  *)IOP3XX_REG_ADDR(0x010e)
-#define IOP3XX_ATUBIST		(volatile u8  *)IOP3XX_REG_ADDR(0x010f)
-#define IOP3XX_IABAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0110)
-#define IOP3XX_IAUBAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0114)
-#define IOP3XX_IABAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0118)
-#define IOP3XX_IAUBAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x011c)
-#define IOP3XX_IABAR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0120)
-#define IOP3XX_IAUBAR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0124)
-#define IOP3XX_ASVIR		(volatile u16 *)IOP3XX_REG_ADDR(0x012c)
-#define IOP3XX_ASIR		(volatile u16 *)IOP3XX_REG_ADDR(0x012e)
-#define IOP3XX_ERBAR		(volatile u32 *)IOP3XX_REG_ADDR(0x0130)
-#define IOP3XX_ATUILR		(volatile u8  *)IOP3XX_REG_ADDR(0x013c)
-#define IOP3XX_ATUIPR		(volatile u8  *)IOP3XX_REG_ADDR(0x013d)
-#define IOP3XX_ATUMGNT		(volatile u8  *)IOP3XX_REG_ADDR(0x013e)
-#define IOP3XX_ATUMLAT		(volatile u8  *)IOP3XX_REG_ADDR(0x013f)
-#define IOP3XX_IALR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0140)
-#define IOP3XX_IATVR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0144)
-#define IOP3XX_ERLR		(volatile u32 *)IOP3XX_REG_ADDR(0x0148)
-#define IOP3XX_ERTVR		(volatile u32 *)IOP3XX_REG_ADDR(0x014c)
-#define IOP3XX_IALR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0150)
-#define IOP3XX_IALR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0154)
-#define IOP3XX_IATVR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0158)
-#define IOP3XX_OIOWTVR		(volatile u32 *)IOP3XX_REG_ADDR(0x015c)
-#define IOP3XX_OMWTVR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0160)
-#define IOP3XX_OUMWTVR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0164)
-#define IOP3XX_OMWTVR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0168)
-#define IOP3XX_OUMWTVR1		(volatile u32 *)IOP3XX_REG_ADDR(0x016c)
-#define IOP3XX_OUDWTVR		(volatile u32 *)IOP3XX_REG_ADDR(0x0178)
-#define IOP3XX_ATUCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0180)
-#define IOP3XX_PCSR		(volatile u32 *)IOP3XX_REG_ADDR(0x0184)
-#define IOP3XX_ATUISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0188)
-#define IOP3XX_ATUIMR		(volatile u32 *)IOP3XX_REG_ADDR(0x018c)
-#define IOP3XX_IABAR3		(volatile u32 *)IOP3XX_REG_ADDR(0x0190)
-#define IOP3XX_IAUBAR3		(volatile u32 *)IOP3XX_REG_ADDR(0x0194)
-#define IOP3XX_IALR3		(volatile u32 *)IOP3XX_REG_ADDR(0x0198)
-#define IOP3XX_IATVR3		(volatile u32 *)IOP3XX_REG_ADDR(0x019c)
-#define IOP3XX_OCCAR		(volatile u32 *)IOP3XX_REG_ADDR(0x01a4)
-#define IOP3XX_OCCDR		(volatile u32 *)IOP3XX_REG_ADDR(0x01ac)
-#define IOP3XX_PDSCR		(volatile u32 *)IOP3XX_REG_ADDR(0x01bc)
-#define IOP3XX_PMCAPID		(volatile u8  *)IOP3XX_REG_ADDR(0x01c0)
-#define IOP3XX_PMNEXT		(volatile u8  *)IOP3XX_REG_ADDR(0x01c1)
-#define IOP3XX_APMCR		(volatile u16 *)IOP3XX_REG_ADDR(0x01c2)
-#define IOP3XX_APMCSR		(volatile u16 *)IOP3XX_REG_ADDR(0x01c4)
-#define IOP3XX_PCIXCAPID	(volatile u8  *)IOP3XX_REG_ADDR(0x01e0)
-#define IOP3XX_PCIXNEXT		(volatile u8  *)IOP3XX_REG_ADDR(0x01e1)
-#define IOP3XX_PCIXCMD		(volatile u16 *)IOP3XX_REG_ADDR(0x01e2)
-#define IOP3XX_PCIXSR		(volatile u32 *)IOP3XX_REG_ADDR(0x01e4)
-#define IOP3XX_PCIIRSR		(volatile u32 *)IOP3XX_REG_ADDR(0x01ec)
-#define IOP3XX_PCSR_OUT_Q_BUSY (1 << 15)
-#define IOP3XX_PCSR_IN_Q_BUSY	(1 << 14)
-#define IOP3XX_ATUCR_OUT_EN	(1 << 1)
-
-#define IOP3XX_INIT_ATU_DEFAULT 0
-#define IOP3XX_INIT_ATU_DISABLE -1
-#define IOP3XX_INIT_ATU_ENABLE	 1
-
-/* Messaging Unit  */
-#define IOP3XX_IMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0310)
-#define IOP3XX_IMR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0314)
-#define IOP3XX_OMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0318)
-#define IOP3XX_OMR1		(volatile u32 *)IOP3XX_REG_ADDR(0x031c)
-#define IOP3XX_IDR		(volatile u32 *)IOP3XX_REG_ADDR(0x0320)
-#define IOP3XX_IISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0324)
-#define IOP3XX_IIMR		(volatile u32 *)IOP3XX_REG_ADDR(0x0328)
-#define IOP3XX_ODR		(volatile u32 *)IOP3XX_REG_ADDR(0x032c)
-#define IOP3XX_OISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0330)
-#define IOP3XX_OIMR		(volatile u32 *)IOP3XX_REG_ADDR(0x0334)
-#define IOP3XX_MUCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0350)
-#define IOP3XX_QBAR		(volatile u32 *)IOP3XX_REG_ADDR(0x0354)
-#define IOP3XX_IFHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0360)
-#define IOP3XX_IFTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0364)
-#define IOP3XX_IPHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0368)
-#define IOP3XX_IPTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x036c)
-#define IOP3XX_OFHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0370)
-#define IOP3XX_OFTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0374)
-#define IOP3XX_OPHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0378)
-#define IOP3XX_OPTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x037c)
-#define IOP3XX_IAR		(volatile u32 *)IOP3XX_REG_ADDR(0x0380)
-
-/* DMA Controller  */
-#define IOP3XX_DMA_PHYS_BASE(chan) (IOP3XX_PERIPHERAL_PHYS_BASE + \
-					(0x400 + (chan << 6)))
-#define IOP3XX_DMA_UPPER_PA(chan)  (IOP3XX_DMA_PHYS_BASE(chan) + 0x27)
-
-/* Peripheral bus interface  */
-#define IOP3XX_PBCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0680)
-#define IOP3XX_PBISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0684)
-#define IOP3XX_PBBAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0688)
-#define IOP3XX_PBLR0		(volatile u32 *)IOP3XX_REG_ADDR(0x068c)
-#define IOP3XX_PBBAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0690)
-#define IOP3XX_PBLR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0694)
-#define IOP3XX_PBBAR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0698)
-#define IOP3XX_PBLR2		(volatile u32 *)IOP3XX_REG_ADDR(0x069c)
-#define IOP3XX_PBBAR3		(volatile u32 *)IOP3XX_REG_ADDR(0x06a0)
-#define IOP3XX_PBLR3		(volatile u32 *)IOP3XX_REG_ADDR(0x06a4)
-#define IOP3XX_PBBAR4		(volatile u32 *)IOP3XX_REG_ADDR(0x06a8)
-#define IOP3XX_PBLR4		(volatile u32 *)IOP3XX_REG_ADDR(0x06ac)
-#define IOP3XX_PBBAR5		(volatile u32 *)IOP3XX_REG_ADDR(0x06b0)
-#define IOP3XX_PBLR5		(volatile u32 *)IOP3XX_REG_ADDR(0x06b4)
-#define IOP3XX_PMBR0		(volatile u32 *)IOP3XX_REG_ADDR(0x06c0)
-#define IOP3XX_PMBR1		(volatile u32 *)IOP3XX_REG_ADDR(0x06e0)
-#define IOP3XX_PMBR2		(volatile u32 *)IOP3XX_REG_ADDR(0x06e4)
-
-/* Peripheral performance monitoring unit  */
-#define IOP3XX_GTMR		(volatile u32 *)IOP3XX_REG_ADDR(0x0700)
-#define IOP3XX_ESR		(volatile u32 *)IOP3XX_REG_ADDR(0x0704)
-#define IOP3XX_EMISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0708)
-#define IOP3XX_GTSR		(volatile u32 *)IOP3XX_REG_ADDR(0x0710)
-/* PERCR0 DOESN'T EXIST - index from 1! */
-#define IOP3XX_PERCR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0710)
-
-/* Timers  */
-#define IOP3XX_TU_TMR0		(volatile u32 *)IOP3XX_TIMER_REG(0x0000)
-#define IOP3XX_TU_TMR1		(volatile u32 *)IOP3XX_TIMER_REG(0x0004)
-#define IOP3XX_TU_TCR0		(volatile u32 *)IOP3XX_TIMER_REG(0x0008)
-#define IOP3XX_TU_TCR1		(volatile u32 *)IOP3XX_TIMER_REG(0x000c)
-#define IOP3XX_TU_TRR0		(volatile u32 *)IOP3XX_TIMER_REG(0x0010)
-#define IOP3XX_TU_TRR1		(volatile u32 *)IOP3XX_TIMER_REG(0x0014)
-#define IOP3XX_TU_TISR		(volatile u32 *)IOP3XX_TIMER_REG(0x0018)
-#define IOP3XX_TU_WDTCR		(volatile u32 *)IOP3XX_TIMER_REG(0x001c)
-#define IOP_TMR_EN	    0x02
-#define IOP_TMR_RELOAD	    0x04
-#define IOP_TMR_PRIVILEGED 0x08
-#define IOP_TMR_RATIO_1_1  0x00
-
-/* Watchdog timer definitions */
-#define IOP_WDTCR_EN_ARM        0x1e1e1e1e
-#define IOP_WDTCR_EN            0xe1e1e1e1
-/* iop3xx does not support stopping the watchdog, so we just re-arm */
-#define IOP_WDTCR_DIS_ARM	(IOP_WDTCR_EN_ARM)
-#define IOP_WDTCR_DIS		(IOP_WDTCR_EN)
-
-/* Application accelerator unit  */
-#define IOP3XX_AAU_PHYS_BASE (IOP3XX_PERIPHERAL_PHYS_BASE + 0x800)
-#define IOP3XX_AAU_UPPER_PA (IOP3XX_AAU_PHYS_BASE + 0xa7)
-
-/* I2C bus interface unit  */
-#define IOP3XX_ICR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1680)
-#define IOP3XX_ISR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1684)
-#define IOP3XX_ISAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1688)
-#define IOP3XX_IDBR0		(volatile u32 *)IOP3XX_REG_ADDR(0x168c)
-#define IOP3XX_IBMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1694)
-#define IOP3XX_ICR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16a0)
-#define IOP3XX_ISR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16a4)
-#define IOP3XX_ISAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16a8)
-#define IOP3XX_IDBR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16ac)
-#define IOP3XX_IBMR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16b4)
-
-
-/*
- * IOP3XX I/O and Mem space regions for PCI autoconfiguration
- */
-#define IOP3XX_PCI_LOWER_MEM_PA	0x80000000
-#define IOP3XX_PCI_MEM_WINDOW_SIZE	0x08000000
-
-#define IOP3XX_PCI_LOWER_IO_PA		0x90000000
-#define IOP3XX_PCI_LOWER_IO_BA		0x00000000
-
-#ifndef __ASSEMBLY__
-
-#include <linux/types.h>
-#include <linux/reboot.h>
-
-void iop3xx_map_io(void);
-void iop_init_cp6_handler(void);
-void iop_init_time(unsigned long tickrate);
-void iop3xx_restart(enum reboot_mode, const char *);
-
-static inline u32 read_tmr0(void)
-{
-	u32 val;
-	asm volatile("mrc p6, 0, %0, c0, c1, 0" : "=r" (val));
-	return val;
-}
-
-static inline void write_tmr0(u32 val)
-{
-	asm volatile("mcr p6, 0, %0, c0, c1, 0" : : "r" (val));
-}
-
-static inline void write_tmr1(u32 val)
-{
-	asm volatile("mcr p6, 0, %0, c1, c1, 0" : : "r" (val));
-}
-
-static inline u32 read_tcr0(void)
-{
-	u32 val;
-	asm volatile("mrc p6, 0, %0, c2, c1, 0" : "=r" (val));
-	return val;
-}
-
-static inline void write_tcr0(u32 val)
-{
-	asm volatile("mcr p6, 0, %0, c2, c1, 0" : : "r" (val));
-}
-
-static inline u32 read_tcr1(void)
-{
-	u32 val;
-	asm volatile("mrc p6, 0, %0, c3, c1, 0" : "=r" (val));
-	return val;
-}
-
-static inline void write_tcr1(u32 val)
-{
-	asm volatile("mcr p6, 0, %0, c3, c1, 0" : : "r" (val));
-}
-
-static inline void write_trr0(u32 val)
-{
-	asm volatile("mcr p6, 0, %0, c4, c1, 0" : : "r" (val));
-}
-
-static inline void write_trr1(u32 val)
-{
-	asm volatile("mcr p6, 0, %0, c5, c1, 0" : : "r" (val));
-}
-
-static inline void write_tisr(u32 val)
-{
-	asm volatile("mcr p6, 0, %0, c6, c1, 0" : : "r" (val));
-}
-
-static inline u32 read_wdtcr(void)
-{
-	u32 val;
-	asm volatile("mrc p6, 0, %0, c7, c1, 0":"=r" (val));
-	return val;
-}
-static inline void write_wdtcr(u32 val)
-{
-	asm volatile("mcr p6, 0, %0, c7, c1, 0"::"r" (val));
-}
-
-extern unsigned long get_iop_tick_rate(void);
-
-/* only iop13xx has these registers, we define these to present a
- * common register interface for the iop_wdt driver.
- */
-#define IOP_RCSR_WDT	(0)
-static inline u32 read_rcsr(void)
-{
-	return 0;
-}
-static inline void write_wdtsr(u32 val)
-{
-	do { } while (0);
-}
-
-extern struct platform_device iop3xx_dma_0_channel;
-extern struct platform_device iop3xx_dma_1_channel;
-extern struct platform_device iop3xx_aau_channel;
-extern struct platform_device iop3xx_i2c0_device;
-extern struct platform_device iop3xx_i2c1_device;
-
-#endif
-
-
-#endif
diff --git a/arch/arm/include/asm/hardware/iop_adma.h b/arch/arm/include/asm/hardware/iop_adma.h
deleted file mode 100644
index 250760e..0000000
--- a/arch/arm/include/asm/hardware/iop_adma.h
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * Copyright © 2006, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-#ifndef IOP_ADMA_H
-#define IOP_ADMA_H
-#include <linux/types.h>
-#include <linux/dmaengine.h>
-#include <linux/interrupt.h>
-
-#define IOP_ADMA_SLOT_SIZE 32
-#define IOP_ADMA_THRESHOLD 4
-#ifdef DEBUG
-#define IOP_PARANOIA 1
-#else
-#define IOP_PARANOIA 0
-#endif
-#define iop_paranoia(x) BUG_ON(IOP_PARANOIA && (x))
-
-/**
- * struct iop_adma_device - internal representation of an ADMA device
- * @pdev: Platform device
- * @id: HW ADMA Device selector
- * @dma_desc_pool: base of DMA descriptor region (DMA address)
- * @dma_desc_pool_virt: base of DMA descriptor region (CPU address)
- * @common: embedded struct dma_device
- */
-struct iop_adma_device {
-	struct platform_device *pdev;
-	int id;
-	dma_addr_t dma_desc_pool;
-	void *dma_desc_pool_virt;
-	struct dma_device common;
-};
-
-/**
- * struct iop_adma_chan - internal representation of an ADMA device
- * @pending: allows batching of hardware operations
- * @lock: serializes enqueue/dequeue operations to the slot pool
- * @mmr_base: memory mapped register base
- * @chain: device chain view of the descriptors
- * @device: parent device
- * @common: common dmaengine channel object members
- * @last_used: place holder for allocation to continue from where it left off
- * @all_slots: complete domain of slots usable by the channel
- * @slots_allocated: records the actual size of the descriptor slot pool
- * @irq_tasklet: bottom half where iop_adma_slot_cleanup runs
- */
-struct iop_adma_chan {
-	int pending;
-	spinlock_t lock; /* protects the descriptor slot pool */
-	void __iomem *mmr_base;
-	struct list_head chain;
-	struct iop_adma_device *device;
-	struct dma_chan common;
-	struct iop_adma_desc_slot *last_used;
-	struct list_head all_slots;
-	int slots_allocated;
-	struct tasklet_struct irq_tasklet;
-};
-
-/**
- * struct iop_adma_desc_slot - IOP-ADMA software descriptor
- * @slot_node: node on the iop_adma_chan.all_slots list
- * @chain_node: node on the op_adma_chan.chain list
- * @hw_desc: virtual address of the hardware descriptor chain
- * @phys: hardware address of the hardware descriptor chain
- * @group_head: first operation in a transaction
- * @slot_cnt: total slots used in an transaction (group of operations)
- * @slots_per_op: number of slots per operation
- * @idx: pool index
- * @tx_list: list of descriptors that are associated with one operation
- * @async_tx: support for the async_tx api
- * @group_list: list of slots that make up a multi-descriptor transaction
- *	for example transfer lengths larger than the supported hw max
- * @xor_check_result: result of zero sum
- * @crc32_result: result crc calculation
- */
-struct iop_adma_desc_slot {
-	struct list_head slot_node;
-	struct list_head chain_node;
-	void *hw_desc;
-	struct iop_adma_desc_slot *group_head;
-	u16 slot_cnt;
-	u16 slots_per_op;
-	u16 idx;
-	struct list_head tx_list;
-	struct dma_async_tx_descriptor async_tx;
-	union {
-		u32 *xor_check_result;
-		u32 *crc32_result;
-		u32 *pq_check_result;
-	};
-};
-
-struct iop_adma_platform_data {
-	int hw_id;
-	dma_cap_mask_t cap_mask;
-	size_t pool_size;
-};
-
-#define to_iop_sw_desc(addr_hw_desc) \
-	container_of(addr_hw_desc, struct iop_adma_desc_slot, hw_desc)
-#define iop_hw_desc_slot_idx(hw_desc, idx) \
-	( (void *) (((unsigned long) hw_desc) + ((idx) << 5)) )
-#endif
diff --git a/arch/arm/include/asm/hardware/memc.h b/arch/arm/include/asm/hardware/memc.h
index 42ba7c1..1d4ebe0 100644
--- a/arch/arm/include/asm/hardware/memc.h
+++ b/arch/arm/include/asm/hardware/memc.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/hardware/memc.h
  *
  *  Copyright (C) Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #define VDMA_ALIGNMENT	PAGE_SIZE
 #define VDMA_XFERSIZE	16
diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h
index 798e520..d134b9a 100644
--- a/arch/arm/include/asm/hardware/sa1111.h
+++ b/arch/arm/include/asm/hardware/sa1111.h
@@ -433,10 +433,6 @@
 int sa1111_driver_register(struct sa1111_driver *);
 void sa1111_driver_unregister(struct sa1111_driver *);
 
-void sa1111_set_io_dir(struct sa1111_dev *sadev, unsigned int bits, unsigned int dir, unsigned int sleep_dir);
-void sa1111_set_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v);
-void sa1111_set_sleep_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v);
-
 struct sa1111_platform_data {
 	int	irq_base;	/* base for cascaded on-chip IRQs */
 	unsigned disable_devs;
diff --git a/arch/arm/include/asm/hardware/scoop.h b/arch/arm/include/asm/hardware/scoop.h
index 58cdf5d..5054533 100644
--- a/arch/arm/include/asm/hardware/scoop.h
+++ b/arch/arm/include/asm/hardware/scoop.h
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  Definitions for the SCOOP interface found on various Sharp PDAs
  *
  *  Copyright (c) 2004 Richard Purdie
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation.
- *
  */
 
 #define SCOOP_MCR  0x00
diff --git a/arch/arm/include/asm/hardware/ssp.h b/arch/arm/include/asm/hardware/ssp.h
index 3b42e18..72d1767 100644
--- a/arch/arm/include/asm/hardware/ssp.h
+++ b/arch/arm/include/asm/hardware/ssp.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  ssp.h
  *
  *  Copyright (C) 2003 Russell King, All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef SSP_H
 #define SSP_H
diff --git a/arch/arm/include/asm/hugetlb-3level.h b/arch/arm/include/asm/hugetlb-3level.h
index d4014fb..a30be55 100644
--- a/arch/arm/include/asm/hugetlb-3level.h
+++ b/arch/arm/include/asm/hugetlb-3level.h
@@ -1,22 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/hugetlb-3level.h
  *
  * Copyright (C) 2012 ARM Ltd.
  *
  * Based on arch/x86/include/asm/hugetlb.h.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
 #ifndef _ASM_ARM_HUGETLB_3LEVEL_H
@@ -29,6 +17,7 @@
  * ptes.
  * (The valid bit is automatically cleared by set_pte_at for PROT_NONE ptes).
  */
+#define __HAVE_ARCH_HUGE_PTEP_GET
 static inline pte_t huge_ptep_get(pte_t *ptep)
 {
 	pte_t retval = *ptep;
@@ -37,35 +26,4 @@
 	return retval;
 }
 
-static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
-				   pte_t *ptep, pte_t pte)
-{
-	set_pte_at(mm, addr, ptep, pte);
-}
-
-static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
-					 unsigned long addr, pte_t *ptep)
-{
-	ptep_clear_flush(vma, addr, ptep);
-}
-
-static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
-					   unsigned long addr, pte_t *ptep)
-{
-	ptep_set_wrprotect(mm, addr, ptep);
-}
-
-static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
-					    unsigned long addr, pte_t *ptep)
-{
-	return ptep_get_and_clear(mm, addr, ptep);
-}
-
-static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
-					     unsigned long addr, pte_t *ptep,
-					     pte_t pte, int dirty)
-{
-	return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
-}
-
 #endif /* _ASM_ARM_HUGETLB_3LEVEL_H */
diff --git a/arch/arm/include/asm/hugetlb.h b/arch/arm/include/asm/hugetlb.h
index 7d26f6c..318dcf5 100644
--- a/arch/arm/include/asm/hugetlb.h
+++ b/arch/arm/include/asm/hugetlb.h
@@ -1,40 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/hugetlb.h
  *
  * Copyright (C) 2012 ARM Ltd.
  *
  * Based on arch/x86/include/asm/hugetlb.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
 #ifndef _ASM_ARM_HUGETLB_H
 #define _ASM_ARM_HUGETLB_H
 
 #include <asm/page.h>
-#include <asm-generic/hugetlb.h>
-
 #include <asm/hugetlb-3level.h>
-
-static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
-					  unsigned long addr, unsigned long end,
-					  unsigned long floor,
-					  unsigned long ceiling)
-{
-	free_pgd_range(tlb, addr, end, floor, ceiling);
-}
-
+#include <asm-generic/hugetlb.h>
 
 static inline int is_hugepage_only_range(struct mm_struct *mm,
 					 unsigned long addr, unsigned long len)
@@ -42,27 +20,6 @@
 	return 0;
 }
 
-static inline int prepare_hugepage_range(struct file *file,
-					 unsigned long addr, unsigned long len)
-{
-	struct hstate *h = hstate_file(file);
-	if (len & ~huge_page_mask(h))
-		return -EINVAL;
-	if (addr & ~huge_page_mask(h))
-		return -EINVAL;
-	return 0;
-}
-
-static inline int huge_pte_none(pte_t pte)
-{
-	return pte_none(pte);
-}
-
-static inline pte_t huge_pte_wrprotect(pte_t pte)
-{
-	return pte_wrprotect(pte);
-}
-
 static inline void arch_clear_hugepage_flags(struct page *page)
 {
 	clear_bit(PG_dcache_clean, &page->flags);
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 2cfbc53..7a0596f 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/io.h
  *
  *  Copyright (C) 1996-2000 Russell King
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  * Modifications:
  *  16-Sep-1996	RMK	Inlined the inx/outx functions & optimised for both
  *			constant addresses and variable addresses.
@@ -28,13 +25,11 @@
 #include <asm/byteorder.h>
 #include <asm/memory.h>
 #include <asm-generic/pci_iomap.h>
-#include <xen/xen.h>
 
 /*
  * ISA I/O bus memory addresses are 1:1 with the physical address.
  */
 #define isa_virt_to_bus virt_to_phys
-#define isa_page_to_bus page_to_phys
 #define isa_bus_to_virt phys_to_virt
 
 /*
@@ -282,8 +277,6 @@
 extern void _memcpy_toio(volatile void __iomem *, const void *, size_t);
 extern void _memset_io(volatile void __iomem *, int, size_t);
 
-#define mmiowb()
-
 /*
  *  Memory access primitives
  *  ------------------------
@@ -459,20 +452,6 @@
 
 #include <asm-generic/io.h>
 
-/*
- * can the hardware map this into one segment or not, given no other
- * constraints.
- */
-#define BIOVEC_MERGEABLE(vec1, vec2)	\
-	((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2)))
-
-struct bio_vec;
-extern bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
-				      const struct bio_vec *vec2);
-#define BIOVEC_PHYS_MERGEABLE(vec1, vec2)				\
-	(__BIOVEC_PHYS_MERGEABLE(vec1, vec2) &&				\
-	 (!xen_domain() || xen_biovec_phys_mergeable(vec1, vec2)))
-
 #ifdef CONFIG_MMU
 #define ARCH_HAS_VALID_PHYS_ADDR_RANGE
 extern int valid_phys_addr_range(phys_addr_t addr, size_t size);
diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index c883fcb..46d4114 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -25,7 +25,6 @@
 #ifndef __ASSEMBLY__
 struct irqaction;
 struct pt_regs;
-extern void migrate_irqs(void);
 
 extern void asm_do_IRQ(unsigned int, struct pt_regs *);
 void handle_IRQ(unsigned int, struct pt_regs *);
diff --git a/arch/arm/include/asm/kprobes.h b/arch/arm/include/asm/kprobes.h
index 82290f2..213607a 100644
--- a/arch/arm/include/asm/kprobes.h
+++ b/arch/arm/include/asm/kprobes.h
@@ -1,16 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/kprobes.h
  *
  * Copyright (C) 2006, 2007 Motorola Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
  */
 
 #ifndef _ARM_KPROBES_H
diff --git a/arch/arm/include/asm/krait-l2-accessors.h b/arch/arm/include/asm/krait-l2-accessors.h
new file mode 100644
index 0000000..a5f2cdd
--- /dev/null
+++ b/arch/arm/include/asm/krait-l2-accessors.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __ASMARM_KRAIT_L2_ACCESSORS_H
+#define __ASMARM_KRAIT_L2_ACCESSORS_H
+
+extern void krait_set_l2_indirect_reg(u32 addr, u32 val);
+extern u32 krait_get_l2_indirect_reg(u32 addr);
+
+#endif
diff --git a/arch/arm/include/asm/kvm_arm.h b/arch/arm/include/asm/kvm_arm.h
index 3ab8b37..0125aa0 100644
--- a/arch/arm/include/asm/kvm_arm.h
+++ b/arch/arm/include/asm/kvm_arm.h
@@ -1,19 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
  * Author: Christoffer Dall <c.dall@virtualopensystems.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
 #ifndef __ARM_KVM_ARM_H__
@@ -133,8 +121,7 @@
  * space.
  */
 #define KVM_PHYS_SHIFT	(40)
-#define KVM_PHYS_SIZE	(_AC(1, ULL) << KVM_PHYS_SHIFT)
-#define KVM_PHYS_MASK	(KVM_PHYS_SIZE - _AC(1, ULL))
+
 #define PTRS_PER_S2_PGD	(_AC(1, ULL) << (KVM_PHYS_SHIFT - 30))
 
 /* Virtualization Translation Control Register (VTCR) bits */
@@ -161,6 +148,7 @@
 #else
 #define VTTBR_X		(5 - KVM_T0SZ)
 #endif
+#define VTTBR_CNP_BIT     _AC(1, UL)
 #define VTTBR_BADDR_MASK  (((_AC(1, ULL) << (40 - VTTBR_X)) - 1) << VTTBR_X)
 #define VTTBR_VMID_SHIFT  _AC(48, ULL)
 #define VTTBR_VMID_MASK(size)	(_AT(u64, (1 << size) - 1) << VTTBR_VMID_SHIFT)
diff --git a/arch/arm/include/asm/kvm_asm.h b/arch/arm/include/asm/kvm_asm.h
index 231e87a..f615830 100644
--- a/arch/arm/include/asm/kvm_asm.h
+++ b/arch/arm/include/asm/kvm_asm.h
@@ -1,19 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
  * Author: Christoffer Dall <c.dall@virtualopensystems.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
 #ifndef __ARM_KVM_ASM_H__
@@ -23,6 +11,10 @@
 
 #define ARM_EXIT_WITH_ABORT_BIT  31
 #define ARM_EXCEPTION_CODE(x)	  ((x) & ~(1U << ARM_EXIT_WITH_ABORT_BIT))
+#define ARM_EXCEPTION_IS_TRAP(x)					\
+	(ARM_EXCEPTION_CODE((x)) == ARM_EXCEPTION_PREF_ABORT	||	\
+	 ARM_EXCEPTION_CODE((x)) == ARM_EXCEPTION_DATA_ABORT	||	\
+	 ARM_EXCEPTION_CODE((x)) == ARM_EXCEPTION_HVC)
 #define ARM_ABORT_PENDING(x)	  !!((x) & (1U << ARM_EXIT_WITH_ABORT_BIT))
 
 #define ARM_EXCEPTION_RESET	  0
diff --git a/arch/arm/include/asm/kvm_coproc.h b/arch/arm/include/asm/kvm_coproc.h
index e74ab0f..a238261 100644
--- a/arch/arm/include/asm/kvm_coproc.h
+++ b/arch/arm/include/asm/kvm_coproc.h
@@ -1,18 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2012 Rusty Russell IBM Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
 #ifndef __ARM_KVM_COPROC_H__
diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h
index 77121b7..4000241 100644
--- a/arch/arm/include/asm/kvm_emulate.h
+++ b/arch/arm/include/asm/kvm_emulate.h
@@ -1,19 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
  * Author: Christoffer Dall <c.dall@virtualopensystems.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
 #ifndef __ARM_KVM_EMULATE_H__
@@ -265,6 +253,14 @@
 	}
 }
 
+static inline bool kvm_is_write_fault(struct kvm_vcpu *vcpu)
+{
+	if (kvm_vcpu_trap_is_iabt(vcpu))
+		return false;
+
+	return kvm_vcpu_dabt_iswrite(vcpu);
+}
+
 static inline u32 kvm_vcpu_hvc_get_imm(struct kvm_vcpu *vcpu)
 {
 	return kvm_vcpu_get_hsr(vcpu) & HSR_HVC_IMM_MASK;
@@ -275,6 +271,16 @@
 	return vcpu_cp15(vcpu, c0_MPIDR) & MPIDR_HWID_BITMASK;
 }
 
+static inline bool kvm_arm_get_vcpu_workaround_2_flag(struct kvm_vcpu *vcpu)
+{
+	return false;
+}
+
+static inline void kvm_arm_set_vcpu_workaround_2_flag(struct kvm_vcpu *vcpu,
+						      bool flag)
+{
+}
+
 static inline void kvm_vcpu_set_be(struct kvm_vcpu *vcpu)
 {
 	*vcpu_cpsr(vcpu) |= PSR_E_BIT;
@@ -335,4 +341,6 @@
 	}
 }
 
+static inline void vcpu_ptrauth_setup_lazy(struct kvm_vcpu *vcpu) {}
+
 #endif /* __ARM_KVM_EMULATE_H__ */
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index 3ad482d..8a37c8e 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -1,24 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
  * Author: Christoffer Dall <c.dall@virtualopensystems.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
 #ifndef __ARM_KVM_HOST_H__
 #define __ARM_KVM_HOST_H__
 
+#include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/kvm_types.h>
 #include <asm/cputype.h>
@@ -48,18 +37,24 @@
 #define KVM_REQ_SLEEP \
 	KVM_ARCH_REQ_FLAGS(0, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP)
 #define KVM_REQ_IRQ_PENDING	KVM_ARCH_REQ(1)
+#define KVM_REQ_VCPU_RESET	KVM_ARCH_REQ(2)
 
 DECLARE_STATIC_KEY_FALSE(userspace_irqchip_in_use);
 
+static inline int kvm_arm_init_sve(void) { return 0; }
+
 u32 *kvm_vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num, u32 mode);
 int __attribute_const__ kvm_target_cpu(void);
 int kvm_reset_vcpu(struct kvm_vcpu *vcpu);
 void kvm_reset_coprocs(struct kvm_vcpu *vcpu);
 
-struct kvm_arch {
-	/* VTTBR value associated with below pgd and vmid */
-	u64    vttbr;
+struct kvm_vmid {
+	/* The VMID generation used for the virt. memory system */
+	u64    vmid_gen;
+	u32    vmid;
+};
 
+struct kvm_arch {
 	/* The last vcpu id that ran on each physical CPU */
 	int __percpu *last_vcpu_ran;
 
@@ -69,11 +64,11 @@
 	 */
 
 	/* The VMID generation used for the virt. memory system */
-	u64    vmid_gen;
-	u32    vmid;
+	struct kvm_vmid vmid;
 
 	/* Stage-2 page table */
 	pgd_t *pgd;
+	phys_addr_t pgd_phys;
 
 	/* Interrupt controller */
 	struct vgic_dist	vgic;
@@ -145,7 +140,24 @@
 	u32 cp15[NR_CP15_REGS];
 };
 
-typedef struct kvm_cpu_context kvm_cpu_context_t;
+struct kvm_host_data {
+	struct kvm_cpu_context host_ctxt;
+};
+
+typedef struct kvm_host_data kvm_host_data_t;
+
+static inline void kvm_init_host_cpu_context(struct kvm_cpu_context *cpu_ctxt)
+{
+	/* The host's MPIDR is immutable, so let's set it up at boot time */
+	cpu_ctxt->cp15[c0_MPIDR] = read_cpuid_mpidr();
+}
+
+struct vcpu_reset_state {
+	unsigned long	pc;
+	unsigned long	r0;
+	bool		be;
+	bool		reset;
+};
 
 struct kvm_vcpu_arch {
 	struct kvm_cpu_context ctxt;
@@ -163,7 +175,7 @@
 	struct kvm_vcpu_fault_info fault;
 
 	/* Host FP context */
-	kvm_cpu_context_t *host_cpu_context;
+	struct kvm_cpu_context *host_cpu_context;
 
 	/* VGIC state */
 	struct vgic_cpu vgic_cpu;
@@ -186,6 +198,8 @@
 	/* Cache some mmu pages needed inside spinlock regions */
 	struct kvm_mmu_memory_cache mmu_page_cache;
 
+	struct vcpu_reset_state reset_state;
+
 	/* Detect first run of a vcpu */
 	bool has_run_once;
 };
@@ -214,7 +228,35 @@
 int kvm_arm_copy_reg_indices(struct kvm_vcpu *vcpu, u64 __user *indices);
 int kvm_arm_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
 int kvm_arm_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
-unsigned long kvm_call_hyp(void *hypfn, ...);
+
+unsigned long __kvm_call_hyp(void *hypfn, ...);
+
+/*
+ * The has_vhe() part doesn't get emitted, but is used for type-checking.
+ */
+#define kvm_call_hyp(f, ...)						\
+	do {								\
+		if (has_vhe()) {					\
+			f(__VA_ARGS__);					\
+		} else {						\
+			__kvm_call_hyp(kvm_ksym_ref(f), ##__VA_ARGS__); \
+		}							\
+	} while(0)
+
+#define kvm_call_hyp_ret(f, ...)					\
+	({								\
+		typeof(f(__VA_ARGS__)) ret;				\
+									\
+		if (has_vhe()) {					\
+			ret = f(__VA_ARGS__);				\
+		} else {						\
+			ret = __kvm_call_hyp(kvm_ksym_ref(f),		\
+					     ##__VA_ARGS__);		\
+		}							\
+									\
+		ret;							\
+	})
+
 void force_vm_exit(const cpumask_t *mask);
 int __kvm_arm_vcpu_get_events(struct kvm_vcpu *vcpu,
 			      struct kvm_vcpu_events *events);
@@ -225,7 +267,7 @@
 #define KVM_ARCH_WANT_MMU_NOTIFIER
 int kvm_unmap_hva_range(struct kvm *kvm,
 			unsigned long start, unsigned long end);
-void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
+int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
 
 unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu);
 int kvm_arm_copy_reg_indices(struct kvm_vcpu *vcpu, u64 __user *indices);
@@ -265,7 +307,7 @@
 	 * compliant with the PCS!).
 	 */
 
-	kvm_call_hyp((void*)hyp_stack_ptr, vector_ptr, pgd_ptr);
+	__kvm_call_hyp((void*)hyp_stack_ptr, vector_ptr, pgd_ptr);
 }
 
 static inline void __cpu_init_stage2(void)
@@ -273,7 +315,7 @@
 	kvm_call_hyp(__init_stage2_translation);
 }
 
-static inline int kvm_arch_dev_ioctl_check_extension(struct kvm *kvm, long ext)
+static inline int kvm_arch_vm_ioctl_check_extension(struct kvm *kvm, long ext)
 {
 	return 0;
 }
@@ -285,7 +327,7 @@
 
 struct kvm_vcpu *kvm_mpidr_to_vcpu(struct kvm *kvm, unsigned long mpidr);
 
-static inline bool kvm_arch_check_sve_has_vhe(void) { return true; }
+static inline bool kvm_arch_requires_vhe(void) { return false; }
 static inline void kvm_arch_hardware_unsetup(void) {}
 static inline void kvm_arch_sync_events(struct kvm *kvm) {}
 static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {}
@@ -296,11 +338,6 @@
 static inline void kvm_arm_setup_debug(struct kvm_vcpu *vcpu) {}
 static inline void kvm_arm_clear_debug(struct kvm_vcpu *vcpu) {}
 static inline void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu) {}
-static inline bool kvm_arm_handle_step_debug(struct kvm_vcpu *vcpu,
-					     struct kvm_run *run)
-{
-	return false;
-}
 
 int kvm_arm_vcpu_arch_set_attr(struct kvm_vcpu *vcpu,
 			       struct kvm_device_attr *attr);
@@ -317,10 +354,17 @@
 static inline void kvm_arch_vcpu_ctxsync_fp(struct kvm_vcpu *vcpu) {}
 static inline void kvm_arch_vcpu_put_fp(struct kvm_vcpu *vcpu) {}
 
+static inline void kvm_vcpu_pmu_restore_guest(struct kvm_vcpu *vcpu) {}
+static inline void kvm_vcpu_pmu_restore_host(struct kvm_vcpu *vcpu) {}
+
 static inline void kvm_arm_vhe_guest_enter(void) {}
 static inline void kvm_arm_vhe_guest_exit(void) {}
 
-static inline bool kvm_arm_harden_branch_predictor(void)
+#define KVM_BP_HARDEN_UNKNOWN		-1
+#define KVM_BP_HARDEN_WA_NEEDED		0
+#define KVM_BP_HARDEN_NOT_REQUIRED	1
+
+static inline int kvm_arm_harden_branch_predictor(void)
 {
 	switch(read_cpuid_part()) {
 #ifdef CONFIG_HARDEN_BRANCH_PREDICTOR
@@ -328,10 +372,12 @@
 	case ARM_CPU_PART_CORTEX_A12:
 	case ARM_CPU_PART_CORTEX_A15:
 	case ARM_CPU_PART_CORTEX_A17:
-		return true;
+		return KVM_BP_HARDEN_WA_NEEDED;
 #endif
+	case ARM_CPU_PART_CORTEX_A7:
+		return KVM_BP_HARDEN_NOT_REQUIRED;
 	default:
-		return false;
+		return KVM_BP_HARDEN_UNKNOWN;
 	}
 }
 
@@ -354,4 +400,25 @@
 struct kvm *kvm_arch_alloc_vm(void);
 void kvm_arch_free_vm(struct kvm *kvm);
 
+static inline int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type)
+{
+	/*
+	 * On 32bit ARM, VMs get a static 40bit IPA stage2 setup,
+	 * so any non-zero value used as type is illegal.
+	 */
+	if (type)
+		return -EINVAL;
+	return 0;
+}
+
+static inline int kvm_arm_vcpu_finalize(struct kvm_vcpu *vcpu, int feature)
+{
+	return -EINVAL;
+}
+
+static inline bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu)
+{
+	return true;
+}
+
 #endif /* __ARM_KVM_HOST_H__ */
diff --git a/arch/arm/include/asm/kvm_hyp.h b/arch/arm/include/asm/kvm_hyp.h
index e93a0ca..40e9034 100644
--- a/arch/arm/include/asm/kvm_hyp.h
+++ b/arch/arm/include/asm/kvm_hyp.h
@@ -1,18 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2015 - ARM Ltd
  * Author: Marc Zyngier <marc.zyngier@arm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef __ARM_KVM_HYP_H__
@@ -40,6 +29,7 @@
 #define TTBR1		__ACCESS_CP15_64(1, c2)
 #define VTTBR		__ACCESS_CP15_64(6, c2)
 #define PAR		__ACCESS_CP15_64(0, c7)
+#define CNTP_CVAL	__ACCESS_CP15_64(2, c14)
 #define CNTV_CVAL	__ACCESS_CP15_64(3, c14)
 #define CNTVOFF		__ACCESS_CP15_64(4, c14)
 
@@ -85,17 +75,21 @@
 #define TID_PRIV	__ACCESS_CP15(c13, 0, c0, 4)
 #define HTPIDR		__ACCESS_CP15(c13, 4, c0, 2)
 #define CNTKCTL		__ACCESS_CP15(c14, 0, c1, 0)
+#define CNTP_CTL	__ACCESS_CP15(c14, 0, c2, 1)
 #define CNTV_CTL	__ACCESS_CP15(c14, 0, c3, 1)
 #define CNTHCTL		__ACCESS_CP15(c14, 4, c1, 0)
 
 #define VFP_FPEXC	__ACCESS_VFP(FPEXC)
 
 /* AArch64 compatibility macros, only for the timer so far */
-#define read_sysreg_el0(r)		read_sysreg(r##_el0)
-#define write_sysreg_el0(v, r)		write_sysreg(v, r##_el0)
+#define read_sysreg_el0(r)		read_sysreg(r##_EL0)
+#define write_sysreg_el0(v, r)		write_sysreg(v, r##_EL0)
 
-#define cntv_ctl_el0			CNTV_CTL
-#define cntv_cval_el0			CNTV_CVAL
+#define SYS_CNTP_CTL_EL0		CNTP_CTL
+#define SYS_CNTP_CVAL_EL0		CNTP_CVAL
+#define SYS_CNTV_CTL_EL0		CNTV_CTL
+#define SYS_CNTV_CVAL_EL0		CNTV_CVAL
+
 #define cntvoff_el2			CNTVOFF
 #define cnthctl_el2			CNTHCTL
 
diff --git a/arch/arm/include/asm/kvm_mmio.h b/arch/arm/include/asm/kvm_mmio.h
index f3a7de7..7c0eddb 100644
--- a/arch/arm/include/asm/kvm_mmio.h
+++ b/arch/arm/include/asm/kvm_mmio.h
@@ -1,19 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
  * Author: Christoffer Dall <c.dall@virtualopensystems.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
 #ifndef __ARM_KVM_MMIO_H__
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
index 265ea9c..0d84d50 100644
--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -1,19 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
  * Author: Christoffer Dall <c.dall@virtualopensystems.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
 #ifndef __ARM_KVM_MMU_H__
@@ -35,16 +23,12 @@
 		addr;							\
 	})
 
-/*
- * KVM_MMU_CACHE_MIN_PAGES is the number of stage2 page table translation levels.
- */
-#define KVM_MMU_CACHE_MIN_PAGES	2
-
 #ifndef __ASSEMBLY__
 
 #include <linux/highmem.h>
 #include <asm/cacheflush.h>
 #include <asm/cputype.h>
+#include <asm/kvm_arm.h>
 #include <asm/kvm_hyp.h>
 #include <asm/pgalloc.h>
 #include <asm/stage2_pgtable.h>
@@ -52,6 +36,13 @@
 /* Ensure compatibility with arm64 */
 #define VA_BITS			32
 
+#define kvm_phys_shift(kvm)		KVM_PHYS_SHIFT
+#define kvm_phys_size(kvm)		(1ULL << kvm_phys_shift(kvm))
+#define kvm_phys_mask(kvm)		(kvm_phys_size(kvm) - 1ULL)
+#define kvm_vttbr_baddr_mask(kvm)	VTTBR_BADDR_MASK
+
+#define stage2_pgd_size(kvm)		(PTRS_PER_S2_PGD * sizeof(pgd_t))
+
 int create_hyp_mappings(void *from, void *to, pgprot_t prot);
 int create_hyp_io_mappings(phys_addr_t phys_addr, size_t size,
 			   void __iomem **kaddr,
@@ -79,6 +70,67 @@
 #define kvm_mk_pud(pmdp)	__pud(__pa(pmdp) | PMD_TYPE_TABLE)
 #define kvm_mk_pgd(pudp)	({ BUILD_BUG(); 0; })
 
+#define kvm_pfn_pte(pfn, prot)	pfn_pte(pfn, prot)
+#define kvm_pfn_pmd(pfn, prot)	pfn_pmd(pfn, prot)
+#define kvm_pfn_pud(pfn, prot)	(__pud(0))
+
+#define kvm_pud_pfn(pud)	({ WARN_ON(1); 0; })
+
+
+#define kvm_pmd_mkhuge(pmd)	pmd_mkhuge(pmd)
+/* No support for pud hugepages */
+#define kvm_pud_mkhuge(pud)	( {WARN_ON(1); pud; })
+
+/*
+ * The following kvm_*pud*() functions are provided strictly to allow
+ * sharing code with arm64. They should never be called in practice.
+ */
+static inline void kvm_set_s2pud_readonly(pud_t *pud)
+{
+	WARN_ON(1);
+}
+
+static inline bool kvm_s2pud_readonly(pud_t *pud)
+{
+	WARN_ON(1);
+	return false;
+}
+
+static inline void kvm_set_pud(pud_t *pud, pud_t new_pud)
+{
+	WARN_ON(1);
+}
+
+static inline pud_t kvm_s2pud_mkwrite(pud_t pud)
+{
+	WARN_ON(1);
+	return pud;
+}
+
+static inline pud_t kvm_s2pud_mkexec(pud_t pud)
+{
+	WARN_ON(1);
+	return pud;
+}
+
+static inline bool kvm_s2pud_exec(pud_t *pud)
+{
+	WARN_ON(1);
+	return false;
+}
+
+static inline pud_t kvm_s2pud_mkyoung(pud_t pud)
+{
+	BUG();
+	return pud;
+}
+
+static inline bool kvm_s2pud_young(pud_t pud)
+{
+	WARN_ON(1);
+	return false;
+}
+
 static inline pte_t kvm_s2pte_mkwrite(pte_t pte)
 {
 	pte_val(pte) |= L_PTE_S2_RDWR;
@@ -317,6 +369,17 @@
 	return ret;
 }
 
+static inline int kvm_write_guest_lock(struct kvm *kvm, gpa_t gpa,
+				       const void *data, unsigned long len)
+{
+	int srcu_idx = srcu_read_lock(&kvm->srcu);
+	int ret = kvm_write_guest(kvm, gpa, data, len);
+
+	srcu_read_unlock(&kvm->srcu, srcu_idx);
+
+	return ret;
+}
+
 static inline void *kvm_get_hyp_vector(void)
 {
 	switch(read_cpuid_part()) {
@@ -355,6 +418,18 @@
 
 #define kvm_phys_to_vttbr(addr)		(addr)
 
+static inline void kvm_set_ipa_limit(void) {}
+
+static __always_inline u64 kvm_get_vttbr(struct kvm *kvm)
+{
+	struct kvm_vmid *vmid = &kvm->arch.vmid;
+	u64 vmid_field, baddr;
+
+	baddr = kvm->arch.pgd_phys;
+	vmid_field = (u64)vmid->vmid << VTTBR_VMID_SHIFT;
+	return kvm_phys_to_vttbr(baddr) | vmid_field;
+}
+
 #endif	/* !__ASSEMBLY__ */
 
 #endif /* __ARM_KVM_MMU_H__ */
diff --git a/arch/arm/include/asm/kvm_ras.h b/arch/arm/include/asm/kvm_ras.h
new file mode 100644
index 0000000..e957729
--- /dev/null
+++ b/arch/arm/include/asm/kvm_ras.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2018 - Arm Ltd */
+
+#ifndef __ARM_KVM_RAS_H__
+#define __ARM_KVM_RAS_H__
+
+#include <linux/types.h>
+
+static inline int kvm_handle_guest_sea(phys_addr_t addr, unsigned int esr)
+{
+	return -1;
+}
+
+#endif /* __ARM_KVM_RAS_H__ */
diff --git a/arch/arm/include/asm/limits.h b/arch/arm/include/asm/limits.h
deleted file mode 100644
index ab15937..0000000
--- a/arch/arm/include/asm/limits.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASM_PIPE_H
-#define __ASM_PIPE_H
-
-#ifndef PAGE_SIZE
-#include <asm/page.h>
-#endif
-
-#define PIPE_BUF	PAGE_SIZE
-
-#endif
-
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index bb88512..e7df5a8 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/mach/arch.h
  *
  *  Copyright (C) 2000 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <linux/types.h>
diff --git a/arch/arm/include/asm/mach/dma.h b/arch/arm/include/asm/mach/dma.h
index 9e614a1..1506422 100644
--- a/arch/arm/include/asm/mach/dma.h
+++ b/arch/arm/include/asm/mach/dma.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/mach/dma.h
  *
  *  Copyright (C) 1998-2000 Russell King
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  This header file describes the interface between the generic DMA handler
  *  (dma.c) and the architecture-specific DMA backends (dma-*.c)
  */
diff --git a/arch/arm/include/asm/mach/flash.h b/arch/arm/include/asm/mach/flash.h
index bada3f8..c9cbfde 100644
--- a/arch/arm/include/asm/mach/flash.h
+++ b/arch/arm/include/asm/mach/flash.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/mach/flash.h
  *
  *  Copyright (C) 2003 Russell King, All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef ASMARM_MACH_FLASH_H
 #define ASMARM_MACH_FLASH_H
diff --git a/arch/arm/include/asm/mach/irq.h b/arch/arm/include/asm/mach/irq.h
index de4634b..dfe832a 100644
--- a/arch/arm/include/asm/mach/irq.h
+++ b/arch/arm/include/asm/mach/irq.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/mach/irq.h
  *
  *  Copyright (C) 1995-2000 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef __ASM_ARM_MACH_IRQ_H
 #define __ASM_ARM_MACH_IRQ_H
diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h
index 9b7c328..9228255 100644
--- a/arch/arm/include/asm/mach/map.h
+++ b/arch/arm/include/asm/mach/map.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/map.h
  *
  *  Copyright (C) 1999-2000 Russell King
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  Page table mapping constructs and function prototypes
  */
 #ifndef __ASM_MACH_MAP_H
diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h
index 233b4b5..83d3407 100644
--- a/arch/arm/include/asm/mach/pci.h
+++ b/arch/arm/include/asm/mach/pci.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/mach/pci.h
  *
  *  Copyright (C) 2000 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef __ASM_MACH_PCI_H
diff --git a/arch/arm/include/asm/mach/sharpsl_param.h b/arch/arm/include/asm/mach/sharpsl_param.h
index 7a24ecf..700a377 100644
--- a/arch/arm/include/asm/mach/sharpsl_param.h
+++ b/arch/arm/include/asm/mach/sharpsl_param.h
@@ -1,14 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Hardware parameter area specific to Sharp SL series devices
  *
  * Copyright (c) 2005 Richard Purdie
  *
  * Based on Sharp's 2.4 kernel patches
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 struct sharpsl_param_info {
diff --git a/arch/arm/include/asm/mach/time.h b/arch/arm/include/asm/mach/time.h
index 4ac3a01..d75d392 100644
--- a/arch/arm/include/asm/mach/time.h
+++ b/arch/arm/include/asm/mach/time.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/mach/time.h
  *
  * Copyright (C) 2004 MontaVista Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef __ASM_ARM_MACH_TIME_H
 #define __ASM_ARM_MACH_TIME_H
diff --git a/arch/arm/include/asm/mcpm.h b/arch/arm/include/asm/mcpm.h
index acd4983..755c97d 100644
--- a/arch/arm/include/asm/mcpm.h
+++ b/arch/arm/include/asm/mcpm.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/mcpm.h
  *
  * Created by:  Nicolas Pitre, April 2012
  * Copyright:   (C) 2012-2013  Linaro Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef MCPM_H
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index ed8fd0d..99035b5 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -1,13 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/memory.h
  *
  *  Copyright (C) 2000-2002 Russell King
  *  modification for nommu, Hyok S. Choi, 2004
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  Note: this file should not be included by non-asm/.h files
  */
 #ifndef __ASM_ARM_MEMORY_H
diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h
index 7f30329..f99ed52 100644
--- a/arch/arm/include/asm/mmu_context.h
+++ b/arch/arm/include/asm/mmu_context.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/mmu_context.h
  *
  *  Copyright (C) 1996 Russell King.
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  Changelog:
  *   27-06-1996	RMK	Created
  */
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h
index 9e81b7c..182163b 100644
--- a/arch/arm/include/asm/module.h
+++ b/arch/arm/include/asm/module.h
@@ -61,4 +61,15 @@
 	MODULE_ARCH_VERMAGIC_ARMTHUMB \
 	MODULE_ARCH_VERMAGIC_P2V
 
+#ifdef CONFIG_THUMB2_KERNEL
+#define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE
+static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym)
+{
+	if (ELF_ST_TYPE(sym->st_info) == STT_FUNC)
+		return sym->st_value & ~1;
+
+	return sym->st_value;
+}
+#endif
+
 #endif /* _ASM_ARM_MODULE_H */
diff --git a/arch/arm/include/asm/mtd-xip.h b/arch/arm/include/asm/mtd-xip.h
index d79d66d..dfcef01 100644
--- a/arch/arm/include/asm/mtd-xip.h
+++ b/arch/arm/include/asm/mtd-xip.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * MTD primitives for XIP support. Architecture specific functions
  *
@@ -6,10 +7,6 @@
  * Author:	Nicolas Pitre
  * Created:	Nov 2, 2004
  * Copyright:	(C) 2004 MontaVista Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef __ARM_MTD_XIP_H__
diff --git a/arch/arm/include/asm/neon.h b/arch/arm/include/asm/neon.h
index 8f730fe..aac10ba 100644
--- a/arch/arm/include/asm/neon.h
+++ b/arch/arm/include/asm/neon.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * linux/arch/arm/include/asm/neon.h
  *
  * Copyright (C) 2013 Linaro Ltd <ard.biesheuvel@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <asm/hwcap.h>
diff --git a/arch/arm/include/asm/opcodes-sec.h b/arch/arm/include/asm/opcodes-sec.h
index bc3a917..b6f4b35 100644
--- a/arch/arm/include/asm/opcodes-sec.h
+++ b/arch/arm/include/asm/opcodes-sec.h
@@ -1,12 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  *
  * Copyright (C) 2012 ARM Limited
  */
diff --git a/arch/arm/include/asm/opcodes-virt.h b/arch/arm/include/asm/opcodes-virt.h
index efcfdf9..0b58da8 100644
--- a/arch/arm/include/asm/opcodes-virt.h
+++ b/arch/arm/include/asm/opcodes-virt.h
@@ -1,20 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * opcodes-virt.h: Opcode definitions for the ARM virtualization extensions
  * Copyright (C) 2012  Linaro Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 #ifndef __ASM_ARM_OPCODES_VIRT_H
 #define __ASM_ARM_OPCODES_VIRT_H
diff --git a/arch/arm/include/asm/opcodes.h b/arch/arm/include/asm/opcodes.h
index e796c59..6bff94b 100644
--- a/arch/arm/include/asm/opcodes.h
+++ b/arch/arm/include/asm/opcodes.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/opcodes.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef __ASM_ARM_OPCODES_H
diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h
index c2bf24f..3364637 100644
--- a/arch/arm/include/asm/outercache.h
+++ b/arch/arm/include/asm/outercache.h
@@ -1,21 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/outercache.h
  *
  * Copyright (C) 2010 ARM Ltd.
  * Written by Catalin Marinas <catalin.marinas@arm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
 #ifndef __ASM_OUTERCACHE_H
diff --git a/arch/arm/include/asm/page-nommu.h b/arch/arm/include/asm/page-nommu.h
index 8f2c47b..7c2c723 100644
--- a/arch/arm/include/asm/page-nommu.h
+++ b/arch/arm/include/asm/page-nommu.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/page-nommu.h
  *
  *  Copyright (C) 2004 Hyok S. Choi
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef _ASMARM_PAGE_NOMMU_H
diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
index 4355f0e..c2b75cb 100644
--- a/arch/arm/include/asm/page.h
+++ b/arch/arm/include/asm/page.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/page.h
  *
  *  Copyright (C) 1995-2003 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef _ASMARM_PAGE_H
 #define _ASMARM_PAGE_H
diff --git a/arch/arm/include/asm/paravirt.h b/arch/arm/include/asm/paravirt.h
index d51e5cd..cdbf02d 100644
--- a/arch/arm/include/asm/paravirt.h
+++ b/arch/arm/include/asm/paravirt.h
@@ -10,11 +10,16 @@
 struct pv_time_ops {
 	unsigned long long (*steal_clock)(int cpu);
 };
-extern struct pv_time_ops pv_time_ops;
+
+struct paravirt_patch_template {
+	struct pv_time_ops time;
+};
+
+extern struct paravirt_patch_template pv_ops;
 
 static inline u64 paravirt_steal_clock(int cpu)
 {
-	return pv_time_ops.steal_clock(cpu);
+	return pv_ops.time.steal_clock(cpu);
 }
 #endif
 
diff --git a/arch/arm/include/asm/percpu.h b/arch/arm/include/asm/percpu.h
index a89b407..f44f448 100644
--- a/arch/arm/include/asm/percpu.h
+++ b/arch/arm/include/asm/percpu.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2012 Calxeda, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #ifndef _ASM_ARM_PERCPU_H_
 #define _ASM_ARM_PERCPU_H_
diff --git a/arch/arm/include/asm/perf_event.h b/arch/arm/include/asm/perf_event.h
index 4f9dec4..fe87397 100644
--- a/arch/arm/include/asm/perf_event.h
+++ b/arch/arm/include/asm/perf_event.h
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  linux/arch/arm/include/asm/perf_event.h
  *
  *  Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #ifndef __ARM_PERF_EVENT_H__
diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h
index 2d7344f..069da39 100644
--- a/arch/arm/include/asm/pgalloc.h
+++ b/arch/arm/include/asm/pgalloc.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/pgalloc.h
  *
  *  Copyright (C) 2000-2001 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef _ASMARM_PGALLOC_H
 #define _ASMARM_PGALLOC_H
@@ -18,8 +15,6 @@
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
 
-#define check_pgt_cache()		do { } while (0)
-
 #ifdef CONFIG_MMU
 
 #define _PAGE_USER_TABLE	(PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_USER))
@@ -57,8 +52,6 @@
 extern pgd_t *pgd_alloc(struct mm_struct *mm);
 extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
 
-#define PGALLOC_GFP	(GFP_KERNEL | __GFP_ZERO)
-
 static inline void clean_pte_table(pte_t *pte)
 {
 	clean_dcache_area(pte + PTE_HWTABLE_PTRS, PTE_HWTABLE_SIZE);
@@ -80,54 +73,41 @@
  *  |  h/w pt 1  |
  *  +------------+
  */
-static inline pte_t *
-pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
-{
-	pte_t *pte;
 
-	pte = (pte_t *)__get_free_page(PGALLOC_GFP);
+#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL
+#define __HAVE_ARCH_PTE_ALLOC_ONE
+#include <asm-generic/pgalloc.h>
+
+static inline pte_t *
+pte_alloc_one_kernel(struct mm_struct *mm)
+{
+	pte_t *pte = __pte_alloc_one_kernel(mm);
+
 	if (pte)
 		clean_pte_table(pte);
 
 	return pte;
 }
 
+#ifdef CONFIG_HIGHPTE
+#define PGTABLE_HIGHMEM __GFP_HIGHMEM
+#else
+#define PGTABLE_HIGHMEM 0
+#endif
+
 static inline pgtable_t
-pte_alloc_one(struct mm_struct *mm, unsigned long addr)
+pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *pte;
 
-#ifdef CONFIG_HIGHPTE
-	pte = alloc_pages(PGALLOC_GFP | __GFP_HIGHMEM, 0);
-#else
-	pte = alloc_pages(PGALLOC_GFP, 0);
-#endif
+	pte = __pte_alloc_one(mm, GFP_PGTABLE_USER | PGTABLE_HIGHMEM);
 	if (!pte)
 		return NULL;
 	if (!PageHighMem(pte))
 		clean_pte_table(page_address(pte));
-	if (!pgtable_page_ctor(pte)) {
-		__free_page(pte);
-		return NULL;
-	}
 	return pte;
 }
 
-/*
- * Free one PTE table.
- */
-static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
-{
-	if (pte)
-		free_page((unsigned long)pte);
-}
-
-static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
-{
-	pgtable_page_dtor(pte);
-	__free_page(pte);
-}
-
 static inline void __pmd_populate(pmd_t *pmdp, phys_addr_t pte,
 				  pmdval_t prot)
 {
diff --git a/arch/arm/include/asm/pgtable-2level-hwdef.h b/arch/arm/include/asm/pgtable-2level-hwdef.h
index 3f82e9d..556937e 100644
--- a/arch/arm/include/asm/pgtable-2level-hwdef.h
+++ b/arch/arm/include/asm/pgtable-2level-hwdef.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/pgtable-2level-hwdef.h
  *
  *  Copyright (C) 1995-2002 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef _ASM_PGTABLE_2LEVEL_HWDEF_H
 #define _ASM_PGTABLE_2LEVEL_HWDEF_H
diff --git a/arch/arm/include/asm/pgtable-2level-types.h b/arch/arm/include/asm/pgtable-2level-types.h
index 66cb5b0..650e793 100644
--- a/arch/arm/include/asm/pgtable-2level-types.h
+++ b/arch/arm/include/asm/pgtable-2level-types.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/pgtable-2level-types.h
  *
  * Copyright (C) 1995-2003 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 #ifndef _ASM_PGTABLE_2LEVEL_TYPES_H
 #define _ASM_PGTABLE_2LEVEL_TYPES_H
diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h
index 12659ce..51beec4 100644
--- a/arch/arm/include/asm/pgtable-2level.h
+++ b/arch/arm/include/asm/pgtable-2level.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/pgtable-2level.h
  *
  *  Copyright (C) 1995-2002 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef _ASM_PGTABLE_2LEVEL_H
 #define _ASM_PGTABLE_2LEVEL_H
diff --git a/arch/arm/include/asm/pgtable-3level-hwdef.h b/arch/arm/include/asm/pgtable-3level-hwdef.h
index 4cd664a..2f35b4e 100644
--- a/arch/arm/include/asm/pgtable-3level-hwdef.h
+++ b/arch/arm/include/asm/pgtable-3level-hwdef.h
@@ -1,21 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/pgtable-3level-hwdef.h
  *
  * Copyright (C) 2011 ARM Ltd.
  * Author: Catalin Marinas <catalin.marinas@arm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 #ifndef _ASM_PGTABLE_3LEVEL_HWDEF_H
 #define _ASM_PGTABLE_3LEVEL_HWDEF_H
diff --git a/arch/arm/include/asm/pgtable-3level-types.h b/arch/arm/include/asm/pgtable-3level-types.h
index 921aa30..d0f587a 100644
--- a/arch/arm/include/asm/pgtable-3level-types.h
+++ b/arch/arm/include/asm/pgtable-3level-types.h
@@ -1,21 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/pgtable-3level-types.h
  *
  * Copyright (C) 2011 ARM Ltd.
  * Author: Catalin Marinas <catalin.marinas@arm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 #ifndef _ASM_PGTABLE_3LEVEL_TYPES_H
 #define _ASM_PGTABLE_3LEVEL_TYPES_H
diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
index 6d50a11..5b18295 100644
--- a/arch/arm/include/asm/pgtable-3level.h
+++ b/arch/arm/include/asm/pgtable-3level.h
@@ -1,21 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/pgtable-3level.h
  *
  * Copyright (C) 2011 ARM Ltd.
  * Author: Catalin Marinas <catalin.marinas@arm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 #ifndef _ASM_PGTABLE_3LEVEL_H
 #define _ASM_PGTABLE_3LEVEL_H
diff --git a/arch/arm/include/asm/pgtable-hwdef.h b/arch/arm/include/asm/pgtable-hwdef.h
index 8426229..d60548c 100644
--- a/arch/arm/include/asm/pgtable-hwdef.h
+++ b/arch/arm/include/asm/pgtable-hwdef.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/pgtable-hwdef.h
  *
  *  Copyright (C) 1995-2002 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef _ASMARM_PGTABLE_HWDEF_H
 #define _ASMARM_PGTABLE_HWDEF_H
diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h
index a0d726a..010fa1a 100644
--- a/arch/arm/include/asm/pgtable-nommu.h
+++ b/arch/arm/include/asm/pgtable-nommu.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/pgtable-nommu.h
  *
  *  Copyright (C) 1995-2002 Russell King
  *  Copyright (C) 2004  Hyok S. Choi
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef _ASMARM_PGTABLE_NOMMU_H
 #define _ASMARM_PGTABLE_NOMMU_H
@@ -65,7 +62,6 @@
  */
 #define pgprot_noncached(prot)	(prot)
 #define pgprot_writecombine(prot) (prot)
-#define pgprot_dmacoherent(prot) (prot)
 #define pgprot_device(prot)	(prot)
 
 
@@ -75,11 +71,6 @@
 extern unsigned int kobjsize(const void *objp);
 
 /*
- * No page table caches to initialise.
- */
-#define pgtable_cache_init()	do { } while (0)
-
-/*
  * All 32bit addresses are effectively valid for vmalloc...
  * Sort of meaningless for non-VM targets.
  */
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index a757401..3ae120c 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/pgtable.h
  *
  *  Copyright (C) 1995-2002 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef _ASMARM_PGTABLE_H
 #define _ASMARM_PGTABLE_H
@@ -125,6 +122,9 @@
 #define pgprot_stronglyordered(prot) \
 	__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED)
 
+#define pgprot_device(prot) \
+	__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_DEV_SHARED | L_PTE_SHARED | L_PTE_DIRTY | L_PTE_XN)
+
 #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE
 #define pgprot_dmacoherent(prot) \
 	__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE | L_PTE_XN)
@@ -368,8 +368,6 @@
 #define HAVE_ARCH_UNMAPPED_AREA
 #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
 
-#define pgtable_cache_init() do { } while (0)
-
 #endif /* !__ASSEMBLY__ */
 
 #endif /* CONFIG_MMU */
diff --git a/arch/arm/include/asm/probes.h b/arch/arm/include/asm/probes.h
index 991c912..ebbd9ec 100644
--- a/arch/arm/include/asm/probes.h
+++ b/arch/arm/include/asm/probes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/probes.h
  *
@@ -5,15 +6,6 @@
  * which contains the following notice...
  *
  * Copyright (C) 2006, 2007 Motorola Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
  */
 
 #ifndef _ASM_PROBES_H
diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h
index e25f439..c82f7a2 100644
--- a/arch/arm/include/asm/proc-fns.h
+++ b/arch/arm/include/asm/proc-fns.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/proc-fns.h
  *
  *  Copyright (C) 1997-1999 Russell King
  *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef __ASM_PROCFNS_H
 #define __ASM_PROCFNS_H
@@ -23,7 +20,7 @@
 /*
  * Don't change this structure - ASM code relies on it.
  */
-extern struct processor {
+struct processor {
 	/* MISC
 	 * get data abort address/flags
 	 */
@@ -79,9 +76,13 @@
 	unsigned int suspend_size;
 	void (*do_suspend)(void *);
 	void (*do_resume)(void *);
-} processor;
+};
 
 #ifndef MULTI_CPU
+static inline void init_proc_vtable(const struct processor *p)
+{
+}
+
 extern void cpu_proc_init(void);
 extern void cpu_proc_fin(void);
 extern int cpu_do_idle(void);
@@ -98,17 +99,50 @@
 extern void cpu_do_suspend(void *);
 extern void cpu_do_resume(void *);
 #else
-#define cpu_proc_init			processor._proc_init
-#define cpu_proc_fin			processor._proc_fin
-#define cpu_reset			processor.reset
-#define cpu_do_idle			processor._do_idle
-#define cpu_dcache_clean_area		processor.dcache_clean_area
-#define cpu_set_pte_ext			processor.set_pte_ext
-#define cpu_do_switch_mm		processor.switch_mm
 
-/* These three are private to arch/arm/kernel/suspend.c */
-#define cpu_do_suspend			processor.do_suspend
-#define cpu_do_resume			processor.do_resume
+extern struct processor processor;
+#if defined(CONFIG_BIG_LITTLE) && defined(CONFIG_HARDEN_BRANCH_PREDICTOR)
+#include <linux/smp.h>
+/*
+ * This can't be a per-cpu variable because we need to access it before
+ * per-cpu has been initialised.  We have a couple of functions that are
+ * called in a pre-emptible context, and so can't use smp_processor_id()
+ * there, hence PROC_TABLE().  We insist in init_proc_vtable() that the
+ * function pointers for these are identical across all CPUs.
+ */
+extern struct processor *cpu_vtable[];
+#define PROC_VTABLE(f)			cpu_vtable[smp_processor_id()]->f
+#define PROC_TABLE(f)			cpu_vtable[0]->f
+static inline void init_proc_vtable(const struct processor *p)
+{
+	unsigned int cpu = smp_processor_id();
+	*cpu_vtable[cpu] = *p;
+	WARN_ON_ONCE(cpu_vtable[cpu]->dcache_clean_area !=
+		     cpu_vtable[0]->dcache_clean_area);
+	WARN_ON_ONCE(cpu_vtable[cpu]->set_pte_ext !=
+		     cpu_vtable[0]->set_pte_ext);
+}
+#else
+#define PROC_VTABLE(f)			processor.f
+#define PROC_TABLE(f)			processor.f
+static inline void init_proc_vtable(const struct processor *p)
+{
+	processor = *p;
+}
+#endif
+
+#define cpu_proc_init			PROC_VTABLE(_proc_init)
+#define cpu_check_bugs			PROC_VTABLE(check_bugs)
+#define cpu_proc_fin			PROC_VTABLE(_proc_fin)
+#define cpu_reset			PROC_VTABLE(reset)
+#define cpu_do_idle			PROC_VTABLE(_do_idle)
+#define cpu_dcache_clean_area		PROC_TABLE(dcache_clean_area)
+#define cpu_set_pte_ext			PROC_TABLE(set_pte_ext)
+#define cpu_do_switch_mm		PROC_VTABLE(switch_mm)
+
+/* These two are private to arch/arm/kernel/suspend.c */
+#define cpu_do_suspend			PROC_VTABLE(do_suspend)
+#define cpu_do_resume			PROC_VTABLE(do_resume)
 #endif
 
 extern void cpu_resume(void);
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 1bf65b4..614bf82 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -1,22 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/processor.h
  *
  *  Copyright (C) 1995-1999 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef __ASM_ARM_PROCESSOR_H
 #define __ASM_ARM_PROCESSOR_H
 
-/*
- * Default implementation of macro that returns current
- * instruction pointer ("program counter").
- */
-#define current_text_addr() ({ __label__ _l; _l: &&_l;})
-
 #ifdef __KERNEL__
 
 #include <asm/hw_breakpoint.h>
@@ -95,7 +86,11 @@
 unsigned long get_wchan(struct task_struct *p);
 
 #if __LINUX_ARM_ARCH__ == 6 || defined(CONFIG_ARM_ERRATA_754327)
-#define cpu_relax()			smp_mb()
+#define cpu_relax()						\
+	do {							\
+		smp_mb();					\
+		__asm__ __volatile__("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;");	\
+	} while (0)
 #else
 #define cpu_relax()			barrier()
 #endif
@@ -137,16 +132,14 @@
 	__asm__ __volatile__(
 		".arch_extension	mp\n"
 		__ALT_SMP_ASM(
-			WASM(pldw)		"\t%a0",
-			WASM(pld)		"\t%a0"
+			"pldw\t%a0",
+			"pld\t%a0"
 		)
 		:: "p" (ptr));
 }
 #endif
 #endif
 
-#define HAVE_ARCH_PICK_MMAP_LAYOUT
-
 #endif
 
 #endif /* __ASM_ARM_PROCESSOR_H */
diff --git a/arch/arm/include/asm/procinfo.h b/arch/arm/include/asm/procinfo.h
index ca52e58..42df316 100644
--- a/arch/arm/include/asm/procinfo.h
+++ b/arch/arm/include/asm/procinfo.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/procinfo.h
  *
  *  Copyright (C) 1996-1999 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef __ASM_PROCINFO_H
 #define __ASM_PROCINFO_H
diff --git a/arch/arm/include/asm/prom.h b/arch/arm/include/asm/prom.h
index cd94ef2..1e36c40 100644
--- a/arch/arm/include/asm/prom.h
+++ b/arch/arm/include/asm/prom.h
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/prom.h
  *
  *  Copyright (C) 2009 Canonical Ltd. <jeremy.kerr@canonical.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 #ifndef __ASMARM_PROM_H
 #define __ASMARM_PROM_H
diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h
index e1b825d..536e155 100644
--- a/arch/arm/include/asm/psci.h
+++ b/arch/arm/include/asm/psci.h
@@ -1,12 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  *
  * Copyright (C) 2012 ARM Limited
  */
diff --git a/arch/arm/include/asm/ptdump.h b/arch/arm/include/asm/ptdump.h
index 3ebf971..0c2d3d0 100644
--- a/arch/arm/include/asm/ptdump.h
+++ b/arch/arm/include/asm/ptdump.h
@@ -21,13 +21,10 @@
 
 void ptdump_walk_pgd(struct seq_file *s, struct ptdump_info *info);
 #ifdef CONFIG_ARM_PTDUMP_DEBUGFS
-int ptdump_debugfs_register(struct ptdump_info *info, const char *name);
+void ptdump_debugfs_register(struct ptdump_info *info, const char *name);
 #else
-static inline int ptdump_debugfs_register(struct ptdump_info *info,
-					const char *name)
-{
-	return 0;
-}
+static inline void ptdump_debugfs_register(struct ptdump_info *info,
+					   const char *name) { }
 #endif /* CONFIG_ARM_PTDUMP_DEBUGFS */
 
 void ptdump_check_wx(void);
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index c7cdbb4..91d6b78 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/ptrace.h
  *
  *  Copyright (C) 1996-2003 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef __ASM_ARM_PTRACE_H
 #define __ASM_ARM_PTRACE_H
diff --git a/arch/arm/include/asm/set_memory.h b/arch/arm/include/asm/set_memory.h
index 5aa4315..a1ceff4 100644
--- a/arch/arm/include/asm/set_memory.h
+++ b/arch/arm/include/asm/set_memory.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 1999-2002 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef _ASMARM_SET_MEMORY_H
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index 3613d7e..67d2071 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -1,14 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  linux/include/asm/setup.h
  *
  *  Copyright (C) 1997-1999 Russell King
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  Structure passed to kernel to tell it about the
- *  hardware it's running on.  See Documentation/arm/Setup
+ *  hardware it's running on.  See Documentation/arm/setup.rst
  *  for more info.
  */
 #ifndef __ASMARM_SETUP_H
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index 709a559..a91f21e 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/smp.h
  *
  *  Copyright (C) 2004-2005 ARM Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef __ASM_ARM_SMP_H
 #define __ASM_ARM_SMP_H
@@ -67,7 +64,6 @@
 	void *stack;
 };
 extern struct secondary_data secondary_data;
-extern volatile int pen_release;
 extern void secondary_startup(void);
 extern void secondary_startup_arm(void);
 
diff --git a/arch/arm/include/asm/smp_twd.h b/arch/arm/include/asm/smp_twd.h
index 312784e..c729d21 100644
--- a/arch/arm/include/asm/smp_twd.h
+++ b/arch/arm/include/asm/smp_twd.h
@@ -19,20 +19,4 @@
 #define TWD_TIMER_CONTROL_PERIODIC	(1 << 1)
 #define TWD_TIMER_CONTROL_IT_ENABLE	(1 << 2)
 
-#include <linux/ioport.h>
-
-struct twd_local_timer {
-	struct resource	res[2];
-};
-
-#define DEFINE_TWD_LOCAL_TIMER(name,base,irq)	\
-struct twd_local_timer name __initdata = {	\
-	.res	= {				\
-		DEFINE_RES_MEM(base, 0x10),	\
-		DEFINE_RES_IRQ(irq),		\
-	},					\
-};
-
-int twd_local_timer_register(struct twd_local_timer *);
-
 #endif
diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h
index 099c78f..8f009e7 100644
--- a/arch/arm/include/asm/spinlock.h
+++ b/arch/arm/include/asm/spinlock.h
@@ -210,11 +210,12 @@
 
 	prefetchw(&rw->lock);
 	__asm__ __volatile__(
+"	.syntax unified\n"
 "1:	ldrex	%0, [%2]\n"
 "	adds	%0, %0, #1\n"
 "	strexpl	%1, %0, [%2]\n"
 	WFE("mi")
-"	rsbpls	%0, %1, #0\n"
+"	rsbspl	%0, %1, #0\n"
 "	bmi	1b"
 	: "=&r" (tmp), "=&r" (tmp2)
 	: "r" (&rw->lock)
diff --git a/arch/arm/include/asm/stackprotector.h b/arch/arm/include/asm/stackprotector.h
index ef5f7b6..72a20c3 100644
--- a/arch/arm/include/asm/stackprotector.h
+++ b/arch/arm/include/asm/stackprotector.h
@@ -6,8 +6,10 @@
  * the stack frame and verifying that it hasn't been overwritten when
  * returning from the function.  The pattern is called stack canary
  * and gcc expects it to be defined by a global variable called
- * "__stack_chk_guard" on ARM.  This unfortunately means that on SMP
- * we cannot have a different canary value per task.
+ * "__stack_chk_guard" on ARM.  This prevents SMP systems from using a
+ * different value for each task unless we enable a GCC plugin that
+ * replaces these symbol references with references to each task's own
+ * value.
  */
 
 #ifndef _ASM_STACKPROTECTOR_H
@@ -16,6 +18,8 @@
 #include <linux/random.h>
 #include <linux/version.h>
 
+#include <asm/thread_info.h>
+
 extern unsigned long __stack_chk_guard;
 
 /*
@@ -33,7 +37,11 @@
 	canary ^= LINUX_VERSION_CODE;
 
 	current->stack_canary = canary;
+#ifndef CONFIG_STACKPROTECTOR_PER_TASK
 	__stack_chk_guard = current->stack_canary;
+#else
+	current_thread_info()->stack_canary = current->stack_canary;
+#endif
 }
 
 #endif	/* _ASM_STACKPROTECTOR_H */
diff --git a/arch/arm/include/asm/stage2_pgtable.h b/arch/arm/include/asm/stage2_pgtable.h
index 460d616..aaceec7 100644
--- a/arch/arm/include/asm/stage2_pgtable.h
+++ b/arch/arm/include/asm/stage2_pgtable.h
@@ -1,61 +1,75 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2016 - ARM Ltd
  *
  * stage2 page table helpers
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef __ARM_S2_PGTABLE_H_
 #define __ARM_S2_PGTABLE_H_
 
-#define stage2_pgd_none(pgd)			pgd_none(pgd)
-#define stage2_pgd_clear(pgd)			pgd_clear(pgd)
-#define stage2_pgd_present(pgd)			pgd_present(pgd)
-#define stage2_pgd_populate(pgd, pud)		pgd_populate(NULL, pgd, pud)
-#define stage2_pud_offset(pgd, address)		pud_offset(pgd, address)
-#define stage2_pud_free(pud)			pud_free(NULL, pud)
+/*
+ * kvm_mmu_cache_min_pages() is the number of pages required
+ * to install a stage-2 translation. We pre-allocate the entry
+ * level table at VM creation. Since we have a 3 level page-table,
+ * we need only two pages to add a new mapping.
+ */
+#define kvm_mmu_cache_min_pages(kvm)	2
 
-#define stage2_pud_none(pud)			pud_none(pud)
-#define stage2_pud_clear(pud)			pud_clear(pud)
-#define stage2_pud_present(pud)			pud_present(pud)
-#define stage2_pud_populate(pud, pmd)		pud_populate(NULL, pud, pmd)
-#define stage2_pmd_offset(pud, address)		pmd_offset(pud, address)
-#define stage2_pmd_free(pmd)			pmd_free(NULL, pmd)
+#define stage2_pgd_none(kvm, pgd)		pgd_none(pgd)
+#define stage2_pgd_clear(kvm, pgd)		pgd_clear(pgd)
+#define stage2_pgd_present(kvm, pgd)		pgd_present(pgd)
+#define stage2_pgd_populate(kvm, pgd, pud)	pgd_populate(NULL, pgd, pud)
+#define stage2_pud_offset(kvm, pgd, address)	pud_offset(pgd, address)
+#define stage2_pud_free(kvm, pud)		do { } while (0)
 
-#define stage2_pud_huge(pud)			pud_huge(pud)
+#define stage2_pud_none(kvm, pud)		pud_none(pud)
+#define stage2_pud_clear(kvm, pud)		pud_clear(pud)
+#define stage2_pud_present(kvm, pud)		pud_present(pud)
+#define stage2_pud_populate(kvm, pud, pmd)	pud_populate(NULL, pud, pmd)
+#define stage2_pmd_offset(kvm, pud, address)	pmd_offset(pud, address)
+#define stage2_pmd_free(kvm, pmd)		free_page((unsigned long)pmd)
+
+#define stage2_pud_huge(kvm, pud)		pud_huge(pud)
 
 /* Open coded p*d_addr_end that can deal with 64bit addresses */
-static inline phys_addr_t stage2_pgd_addr_end(phys_addr_t addr, phys_addr_t end)
+static inline phys_addr_t
+stage2_pgd_addr_end(struct kvm *kvm, phys_addr_t addr, phys_addr_t end)
 {
 	phys_addr_t boundary = (addr + PGDIR_SIZE) & PGDIR_MASK;
 
 	return (boundary - 1 < end - 1) ? boundary : end;
 }
 
-#define stage2_pud_addr_end(addr, end)		(end)
+#define stage2_pud_addr_end(kvm, addr, end)	(end)
 
-static inline phys_addr_t stage2_pmd_addr_end(phys_addr_t addr, phys_addr_t end)
+static inline phys_addr_t
+stage2_pmd_addr_end(struct kvm *kvm, phys_addr_t addr, phys_addr_t end)
 {
 	phys_addr_t boundary = (addr + PMD_SIZE) & PMD_MASK;
 
 	return (boundary - 1 < end - 1) ? boundary : end;
 }
 
-#define stage2_pgd_index(addr)				pgd_index(addr)
+#define stage2_pgd_index(kvm, addr)		pgd_index(addr)
 
-#define stage2_pte_table_empty(ptep)			kvm_page_empty(ptep)
-#define stage2_pmd_table_empty(pmdp)			kvm_page_empty(pmdp)
-#define stage2_pud_table_empty(pudp)			false
+#define stage2_pte_table_empty(kvm, ptep)	kvm_page_empty(ptep)
+#define stage2_pmd_table_empty(kvm, pmdp)	kvm_page_empty(pmdp)
+#define stage2_pud_table_empty(kvm, pudp)	false
+
+static inline bool kvm_stage2_has_pud(struct kvm *kvm)
+{
+	return false;
+}
+
+#define S2_PMD_MASK				PMD_MASK
+#define S2_PMD_SIZE				PMD_SIZE
+#define S2_PUD_MASK				PUD_MASK
+#define S2_PUD_SIZE				PUD_SIZE
+
+static inline bool kvm_stage2_has_pmd(struct kvm *kvm)
+{
+	return true;
+}
 
 #endif	/* __ARM_S2_PGTABLE_H_ */
diff --git a/arch/arm/include/asm/suspend.h b/arch/arm/include/asm/suspend.h
index 452bbdc..5063142 100644
--- a/arch/arm/include/asm/suspend.h
+++ b/arch/arm/include/asm/suspend.h
@@ -10,6 +10,7 @@
 };
 
 extern void cpu_resume(void);
+extern void cpu_resume_no_hyp(void);
 extern void cpu_resume_arm(void);
 extern int cpu_suspend(unsigned long, int (*)(unsigned long));
 
diff --git a/arch/arm/include/asm/syscall.h b/arch/arm/include/asm/syscall.h
index 06dea6b..fd02761 100644
--- a/arch/arm/include/asm/syscall.h
+++ b/arch/arm/include/asm/syscall.h
@@ -55,56 +55,25 @@
 
 static inline void syscall_get_arguments(struct task_struct *task,
 					 struct pt_regs *regs,
-					 unsigned int i, unsigned int n,
 					 unsigned long *args)
 {
-	if (n == 0)
-		return;
+	args[0] = regs->ARM_ORIG_r0;
+	args++;
 
-	if (i + n > SYSCALL_MAX_ARGS) {
-		unsigned long *args_bad = args + SYSCALL_MAX_ARGS - i;
-		unsigned int n_bad = n + i - SYSCALL_MAX_ARGS;
-		pr_warn("%s called with max args %d, handling only %d\n",
-			__func__, i + n, SYSCALL_MAX_ARGS);
-		memset(args_bad, 0, n_bad * sizeof(args[0]));
-		n = SYSCALL_MAX_ARGS - i;
-	}
-
-	if (i == 0) {
-		args[0] = regs->ARM_ORIG_r0;
-		args++;
-		i++;
-		n--;
-	}
-
-	memcpy(args, &regs->ARM_r0 + i, n * sizeof(args[0]));
+	memcpy(args, &regs->ARM_r0 + 1, 5 * sizeof(args[0]));
 }
 
 static inline void syscall_set_arguments(struct task_struct *task,
 					 struct pt_regs *regs,
-					 unsigned int i, unsigned int n,
 					 const unsigned long *args)
 {
-	if (n == 0)
-		return;
+	regs->ARM_ORIG_r0 = args[0];
+	args++;
 
-	if (i + n > SYSCALL_MAX_ARGS) {
-		pr_warn("%s called with max args %d, handling only %d\n",
-			__func__, i + n, SYSCALL_MAX_ARGS);
-		n = SYSCALL_MAX_ARGS - i;
-	}
-
-	if (i == 0) {
-		regs->ARM_ORIG_r0 = args[0];
-		args++;
-		i++;
-		n--;
-	}
-
-	memcpy(&regs->ARM_r0 + i, args, n * sizeof(args[0]));
+	memcpy(&regs->ARM_r0 + 1, args, 5 * sizeof(args[0]));
 }
 
-static inline int syscall_get_arch(void)
+static inline int syscall_get_arch(struct task_struct *task)
 {
 	/* ARM tasks don't change audit architectures on the fly. */
 	return AUDIT_ARCH_ARM;
diff --git a/arch/arm/include/asm/system_misc.h b/arch/arm/include/asm/system_misc.h
index 8e76db8..66f6a3a 100644
--- a/arch/arm/include/asm/system_misc.h
+++ b/arch/arm/include/asm/system_misc.h
@@ -38,11 +38,6 @@
 
 extern unsigned int user_debug;
 
-static inline int handle_guest_sea(phys_addr_t addr, unsigned int esr)
-{
-	return -1;
-}
-
 #endif /* !__ASSEMBLY__ */
 
 #endif /* __ASM_ARM_SYSTEM_MISC_H */
diff --git a/arch/arm/include/asm/tcm.h b/arch/arm/include/asm/tcm.h
index 8578d72..b845b10 100644
--- a/arch/arm/include/asm/tcm.h
+++ b/arch/arm/include/asm/tcm.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *
  * Copyright (C) 2008-2009 ST-Ericsson AB
- * License terms: GNU General Public License (GPL) version 2
  *
  * Author: Rickard Andersson <rickard.andersson@stericsson.com>
  * Author: Linus Walleij <linus.walleij@stericsson.com>
- *
  */
 #ifndef __ASMARM_TCM_H
 #define __ASMARM_TCM_H
diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h
index 9b37b6a..0d0d517 100644
--- a/arch/arm/include/asm/thread_info.h
+++ b/arch/arm/include/asm/thread_info.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/thread_info.h
  *
  *  Copyright (C) 2002 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef __ASM_ARM_THREAD_INFO_H
 #define __ASM_ARM_THREAD_INFO_H
@@ -53,6 +50,9 @@
 	struct task_struct	*task;		/* main task structure */
 	__u32			cpu;		/* cpu */
 	__u32			cpu_domain;	/* cpu domain */
+#ifdef CONFIG_STACKPROTECTOR_PER_TASK
+	unsigned long		stack_canary;
+#endif
 	struct cpu_context_save	cpu_context;	/* cpu context */
 	__u32			syscall;	/* syscall number */
 	__u8			used_cp[16];	/* thread used copro */
@@ -121,8 +121,8 @@
 struct user_vfp;
 struct user_vfp_exc;
 
-extern int vfp_preserve_user_clear_hwstate(struct user_vfp __user *,
-					   struct user_vfp_exc __user *);
+extern int vfp_preserve_user_clear_hwstate(struct user_vfp *,
+					   struct user_vfp_exc *);
 extern int vfp_restore_user_hwstate(struct user_vfp *,
 				    struct user_vfp_exc *);
 #endif
diff --git a/arch/arm/include/asm/thread_notify.h b/arch/arm/include/asm/thread_notify.h
index 1dc9806..1c1542e 100644
--- a/arch/arm/include/asm/thread_notify.h
+++ b/arch/arm/include/asm/thread_notify.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/thread_notify.h
  *
  *  Copyright (C) 2006 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef ASMARM_THREAD_NOTIFY_H
 #define ASMARM_THREAD_NOTIFY_H
diff --git a/arch/arm/include/asm/timex.h b/arch/arm/include/asm/timex.h
index f6fcc67..7c3b367 100644
--- a/arch/arm/include/asm/timex.h
+++ b/arch/arm/include/asm/timex.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/timex.h
  *
  *  Copyright (C) 1997,1998 Russell King
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  Architecture Specific TIME specifications
  */
 #ifndef _ASMARM_TIMEX_H
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index f854148..669474a 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/tlb.h
  *
  *  Copyright (C) 2002 Russell King
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *  Experimentation shows that on a StrongARM, it appears to be faster
  *  to use the "invalidate whole tlb" rather than "invalidate single
  *  tlb" for this.
@@ -33,271 +30,42 @@
 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
 
-#define MMU_GATHER_BUNDLE	8
-
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
 static inline void __tlb_remove_table(void *_table)
 {
 	free_page_and_swap_cache((struct page *)_table);
 }
 
-struct mmu_table_batch {
-	struct rcu_head		rcu;
-	unsigned int		nr;
-	void			*tables[0];
-};
+#include <asm-generic/tlb.h>
 
-#define MAX_TABLE_BATCH		\
-	((PAGE_SIZE - sizeof(struct mmu_table_batch)) / sizeof(void *))
-
-extern void tlb_table_flush(struct mmu_gather *tlb);
-extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
-
-#define tlb_remove_entry(tlb, entry)	tlb_remove_table(tlb, entry)
-#else
-#define tlb_remove_entry(tlb, entry)	tlb_remove_page(tlb, entry)
-#endif /* CONFIG_HAVE_RCU_TABLE_FREE */
-
-/*
- * TLB handling.  This allows us to remove pages from the page
- * tables, and efficiently handle the TLB issues.
- */
-struct mmu_gather {
-	struct mm_struct	*mm;
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
-	struct mmu_table_batch	*batch;
-	unsigned int		need_flush;
+#ifndef CONFIG_HAVE_RCU_TABLE_FREE
+#define tlb_remove_table(tlb, entry) tlb_remove_page(tlb, entry)
 #endif
-	unsigned int		fullmm;
-	struct vm_area_struct	*vma;
-	unsigned long		start, end;
-	unsigned long		range_start;
-	unsigned long		range_end;
-	unsigned int		nr;
-	unsigned int		max;
-	struct page		**pages;
-	struct page		*local[MMU_GATHER_BUNDLE];
-};
-
-DECLARE_PER_CPU(struct mmu_gather, mmu_gathers);
-
-/*
- * This is unnecessarily complex.  There's three ways the TLB shootdown
- * code is used:
- *  1. Unmapping a range of vmas.  See zap_page_range(), unmap_region().
- *     tlb->fullmm = 0, and tlb_start_vma/tlb_end_vma will be called.
- *     tlb->vma will be non-NULL.
- *  2. Unmapping all vmas.  See exit_mmap().
- *     tlb->fullmm = 1, and tlb_start_vma/tlb_end_vma will be called.
- *     tlb->vma will be non-NULL.  Additionally, page tables will be freed.
- *  3. Unmapping argument pages.  See shift_arg_pages().
- *     tlb->fullmm = 0, but tlb_start_vma/tlb_end_vma will not be called.
- *     tlb->vma will be NULL.
- */
-static inline void tlb_flush(struct mmu_gather *tlb)
-{
-	if (tlb->fullmm || !tlb->vma)
-		flush_tlb_mm(tlb->mm);
-	else if (tlb->range_end > 0) {
-		flush_tlb_range(tlb->vma, tlb->range_start, tlb->range_end);
-		tlb->range_start = TASK_SIZE;
-		tlb->range_end = 0;
-	}
-}
-
-static inline void tlb_add_flush(struct mmu_gather *tlb, unsigned long addr)
-{
-	if (!tlb->fullmm) {
-		if (addr < tlb->range_start)
-			tlb->range_start = addr;
-		if (addr + PAGE_SIZE > tlb->range_end)
-			tlb->range_end = addr + PAGE_SIZE;
-	}
-}
-
-static inline void __tlb_alloc_page(struct mmu_gather *tlb)
-{
-	unsigned long addr = __get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);
-
-	if (addr) {
-		tlb->pages = (void *)addr;
-		tlb->max = PAGE_SIZE / sizeof(struct page *);
-	}
-}
-
-static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
-{
-	tlb_flush(tlb);
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
-	tlb_table_flush(tlb);
-#endif
-}
-
-static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
-{
-	free_pages_and_swap_cache(tlb->pages, tlb->nr);
-	tlb->nr = 0;
-	if (tlb->pages == tlb->local)
-		__tlb_alloc_page(tlb);
-}
-
-static inline void tlb_flush_mmu(struct mmu_gather *tlb)
-{
-	tlb_flush_mmu_tlbonly(tlb);
-	tlb_flush_mmu_free(tlb);
-}
 
 static inline void
-arch_tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
-			unsigned long start, unsigned long end)
+__pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr)
 {
-	tlb->mm = mm;
-	tlb->fullmm = !(start | (end+1));
-	tlb->start = start;
-	tlb->end = end;
-	tlb->vma = NULL;
-	tlb->max = ARRAY_SIZE(tlb->local);
-	tlb->pages = tlb->local;
-	tlb->nr = 0;
-	__tlb_alloc_page(tlb);
+	pgtable_pte_page_dtor(pte);
 
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
-	tlb->batch = NULL;
-#endif
-}
-
-static inline void
-arch_tlb_finish_mmu(struct mmu_gather *tlb,
-			unsigned long start, unsigned long end, bool force)
-{
-	if (force) {
-		tlb->range_start = start;
-		tlb->range_end = end;
-	}
-
-	tlb_flush_mmu(tlb);
-
-	/* keep the page table cache within bounds */
-	check_pgt_cache();
-
-	if (tlb->pages != tlb->local)
-		free_pages((unsigned long)tlb->pages, 0);
-}
-
-/*
- * Memorize the range for the TLB flush.
- */
-static inline void
-tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, unsigned long addr)
-{
-	tlb_add_flush(tlb, addr);
-}
-
-#define tlb_remove_huge_tlb_entry(h, tlb, ptep, address)	\
-	tlb_remove_tlb_entry(tlb, ptep, address)
-/*
- * In the case of tlb vma handling, we can optimise these away in the
- * case where we're doing a full MM flush.  When we're doing a munmap,
- * the vmas are adjusted to only cover the region to be torn down.
- */
-static inline void
-tlb_start_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)
-{
-	if (!tlb->fullmm) {
-		flush_cache_range(vma, vma->vm_start, vma->vm_end);
-		tlb->vma = vma;
-		tlb->range_start = TASK_SIZE;
-		tlb->range_end = 0;
-	}
-}
-
-static inline void
-tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)
-{
-	if (!tlb->fullmm)
-		tlb_flush(tlb);
-}
-
-static inline bool __tlb_remove_page(struct mmu_gather *tlb, struct page *page)
-{
-	tlb->pages[tlb->nr++] = page;
-	VM_WARN_ON(tlb->nr > tlb->max);
-	if (tlb->nr == tlb->max)
-		return true;
-	return false;
-}
-
-static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
-{
-	if (__tlb_remove_page(tlb, page))
-		tlb_flush_mmu(tlb);
-}
-
-static inline bool __tlb_remove_page_size(struct mmu_gather *tlb,
-					  struct page *page, int page_size)
-{
-	return __tlb_remove_page(tlb, page);
-}
-
-static inline void tlb_remove_page_size(struct mmu_gather *tlb,
-					struct page *page, int page_size)
-{
-	return tlb_remove_page(tlb, page);
-}
-
-static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
-	unsigned long addr)
-{
-	pgtable_page_dtor(pte);
-
-#ifdef CONFIG_ARM_LPAE
-	tlb_add_flush(tlb, addr);
-#else
+#ifndef CONFIG_ARM_LPAE
 	/*
 	 * With the classic ARM MMU, a pte page has two corresponding pmd
 	 * entries, each covering 1MB.
 	 */
-	addr &= PMD_MASK;
-	tlb_add_flush(tlb, addr + SZ_1M - PAGE_SIZE);
-	tlb_add_flush(tlb, addr + SZ_1M);
+	addr = (addr & PMD_MASK) + SZ_1M;
+	__tlb_adjust_range(tlb, addr - PAGE_SIZE, 2 * PAGE_SIZE);
 #endif
 
-	tlb_remove_entry(tlb, pte);
-}
-
-static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp,
-				  unsigned long addr)
-{
-#ifdef CONFIG_ARM_LPAE
-	tlb_add_flush(tlb, addr);
-	tlb_remove_entry(tlb, virt_to_page(pmdp));
-#endif
+	tlb_remove_table(tlb, pte);
 }
 
 static inline void
-tlb_remove_pmd_tlb_entry(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr)
+__pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr)
 {
-	tlb_add_flush(tlb, addr);
-}
+#ifdef CONFIG_ARM_LPAE
+	struct page *page = virt_to_page(pmdp);
 
-#define pte_free_tlb(tlb, ptep, addr)	__pte_free_tlb(tlb, ptep, addr)
-#define pmd_free_tlb(tlb, pmdp, addr)	__pmd_free_tlb(tlb, pmdp, addr)
-#define pud_free_tlb(tlb, pudp, addr)	pud_free((tlb)->mm, pudp)
-
-#define tlb_migrate_finish(mm)		do { } while (0)
-
-#define tlb_remove_check_page_size_change tlb_remove_check_page_size_change
-static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb,
-						     unsigned int page_size)
-{
-}
-
-static inline void tlb_flush_remove_tables(struct mm_struct *mm)
-{
-}
-
-static inline void tlb_flush_remove_tables_local(void *arg)
-{
+	tlb_remove_table(tlb, page);
+#endif
 }
 
 #endif /* CONFIG_MMU */
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index 1897b51..24cbfc1 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/tlbflush.h
  *
  *  Copyright (C) 1999-2003 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef _ASMARM_TLBFLUSH_H
 #define _ASMARM_TLBFLUSH_H
diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h
index 5d88d2f..8a0fae9 100644
--- a/arch/arm/include/asm/topology.h
+++ b/arch/arm/include/asm/topology.h
@@ -5,26 +5,6 @@
 #ifdef CONFIG_ARM_CPU_TOPOLOGY
 
 #include <linux/cpumask.h>
-
-struct cputopo_arm {
-	int thread_id;
-	int core_id;
-	int socket_id;
-	cpumask_t thread_sibling;
-	cpumask_t core_sibling;
-};
-
-extern struct cputopo_arm cpu_topology[NR_CPUS];
-
-#define topology_physical_package_id(cpu)	(cpu_topology[cpu].socket_id)
-#define topology_core_id(cpu)		(cpu_topology[cpu].core_id)
-#define topology_core_cpumask(cpu)	(&cpu_topology[cpu].core_sibling)
-#define topology_sibling_cpumask(cpu)	(&cpu_topology[cpu].thread_sibling)
-
-void init_cpu_topology(void);
-void store_cpu_topology(unsigned int cpuid);
-const struct cpumask *cpu_coregroup_mask(int cpu);
-
 #include <linux/arch_topology.h>
 
 /* Replace task scheduler's default frequency-invariant accounting */
@@ -33,6 +13,9 @@
 /* Replace task scheduler's default cpu-invariant accounting */
 #define arch_scale_cpu_capacity topology_get_cpu_scale
 
+/* Enable topology flag updates */
+#define arch_update_cpu_topology topology_update_cpu_topology
+
 #else
 
 static inline void init_cpu_topology(void) { }
diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h
index a00288d..172b08f 100644
--- a/arch/arm/include/asm/traps.h
+++ b/arch/arm/include/asm/traps.h
@@ -30,7 +30,7 @@
 
 extern void __init early_trap_init(void *);
 extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame);
-extern void ptrace_break(struct task_struct *tsk, struct pt_regs *regs);
+extern void ptrace_break(struct pt_regs *regs);
 
 extern void *vectors_page;
 
diff --git a/arch/arm/include/asm/trusted_foundations.h b/arch/arm/include/asm/trusted_foundations.h
deleted file mode 100644
index 0074835..0000000
--- a/arch/arm/include/asm/trusted_foundations.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 2013, NVIDIA Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- */
-
-/*
- * Support for the Trusted Foundations secure monitor.
- *
- * Trusted Foundation comes active on some ARM consumer devices (most
- * Tegra-based devices sold on the market are concerned). Such devices can only
- * perform some basic operations, like setting the CPU reset vector, through
- * SMC calls to the secure monitor. The calls are completely specific to
- * Trusted Foundations, and do *not* follow the SMC calling convention or the
- * PSCI standard.
- */
-
-#ifndef __ASM_ARM_TRUSTED_FOUNDATIONS_H
-#define __ASM_ARM_TRUSTED_FOUNDATIONS_H
-
-#include <linux/printk.h>
-#include <linux/bug.h>
-#include <linux/of.h>
-#include <linux/cpu.h>
-#include <linux/smp.h>
-
-struct trusted_foundations_platform_data {
-	unsigned int version_major;
-	unsigned int version_minor;
-};
-
-#if IS_ENABLED(CONFIG_TRUSTED_FOUNDATIONS)
-
-void register_trusted_foundations(struct trusted_foundations_platform_data *pd);
-void of_register_trusted_foundations(void);
-
-#else /* CONFIG_TRUSTED_FOUNDATIONS */
-
-static inline void register_trusted_foundations(
-				   struct trusted_foundations_platform_data *pd)
-{
-	/*
-	 * If the system requires TF and we cannot provide it, continue booting
-	 * but disable features that cannot be provided.
-	 */
-	pr_err("No support for Trusted Foundations, continuing in degraded mode.\n");
-	pr_err("Secondary processors as well as CPU PM will be disabled.\n");
-#if IS_ENABLED(CONFIG_SMP)
-	setup_max_cpus = 0;
-#endif
-	cpu_idle_poll_ctrl(true);
-}
-
-static inline void of_register_trusted_foundations(void)
-{
-	/*
-	 * If we find the target should enable TF but does not support it,
-	 * fail as the system won't be able to do much anyway
-	 */
-	if (of_find_compatible_node(NULL, NULL, "tlm,trusted-foundations"))
-		register_trusted_foundations(NULL);
-}
-#endif /* CONFIG_TRUSTED_FOUNDATIONS */
-
-#endif
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 5451e1f..98c6b91 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/uaccess.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef _ASMARM_UACCESS_H
 #define _ASMARM_UACCESS_H
@@ -25,7 +22,7 @@
  * perform such accesses (eg, via list poison values) which could then
  * be exploited for priviledge escalation.
  */
-static inline unsigned int uaccess_save_and_enable(void)
+static __always_inline unsigned int uaccess_save_and_enable(void)
 {
 #ifdef CONFIG_CPU_SW_DOMAIN_PAN
 	unsigned int old_domain = get_domain();
@@ -40,7 +37,7 @@
 #endif
 }
 
-static inline void uaccess_restore(unsigned int flags)
+static __always_inline void uaccess_restore(unsigned int flags)
 {
 #ifdef CONFIG_CPU_SW_DOMAIN_PAN
 	/* Restore the user access mask */
@@ -59,7 +56,6 @@
  * Note that this is actually 0x1,0000,0000
  */
 #define KERNEL_DS	0x00000000
-#define get_ds()	(KERNEL_DS)
 
 #ifdef CONFIG_MMU
 
@@ -69,6 +65,14 @@
 static inline void set_fs(mm_segment_t fs)
 {
 	current_thread_info()->addr_limit = fs;
+
+	/*
+	 * Prevent a mispredicted conditional call to set_fs from forwarding
+	 * the wrong address limit to access_ok under speculation.
+	 */
+	dsb(nsh);
+	isb();
+
 	modify_domain(DOMAIN_KERNEL, fs ? DOMAIN_CLIENT : DOMAIN_MANAGER);
 }
 
@@ -78,7 +82,8 @@
 #define __range_ok(addr, size) ({ \
 	unsigned long flag, roksum; \
 	__chk_user_ptr(addr);	\
-	__asm__("adds %1, %2, %3; sbcccs %1, %1, %0; movcc %0, #0" \
+	__asm__(".syntax unified\n" \
+		"adds %1, %2, %3; sbcscc %1, %1, %0; movcc %0, #0" \
 		: "=&r" (flag), "=&r" (roksum) \
 		: "r" (addr), "Ir" (size), "0" (current_thread_info()->addr_limit) \
 		: "cc"); \
@@ -92,6 +97,33 @@
 	__typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL))
 
 /*
+ * Sanitise a uaccess pointer such that it becomes NULL if addr+size
+ * is above the current addr_limit.
+ */
+#define uaccess_mask_range_ptr(ptr, size)			\
+	((__typeof__(ptr))__uaccess_mask_range_ptr(ptr, size))
+static inline void __user *__uaccess_mask_range_ptr(const void __user *ptr,
+						    size_t size)
+{
+	void __user *safe_ptr = (void __user *)ptr;
+	unsigned long tmp;
+
+	asm volatile(
+	"	.syntax unified\n"
+	"	sub	%1, %3, #1\n"
+	"	subs	%1, %1, %0\n"
+	"	addhs	%1, %1, #1\n"
+	"	subshs	%1, %1, %2\n"
+	"	movlo	%0, #0\n"
+	: "+r" (safe_ptr), "=&r" (tmp)
+	: "r" (size), "r" (current_thread_info()->addr_limit)
+	: "cc");
+
+	csdb();
+	return safe_ptr;
+}
+
+/*
  * Single-value transfer routines.  They automatically use the right
  * size if we just have the right pointer type.  Note that the functions
  * which read from user space (*get_*) need to take care not to leak
@@ -245,7 +277,7 @@
 
 #endif /* CONFIG_MMU */
 
-#define access_ok(type, addr, size)	(__range_ok(addr, size) == 0)
+#define access_ok(addr, size)	(__range_ok(addr, size) == 0)
 
 #define user_addr_max() \
 	(uaccess_kernel() ? ~0UL : get_fs())
@@ -315,6 +347,13 @@
 #define __get_user_asm_byte(x, addr, err)			\
 	__get_user_asm(x, addr, err, ldrb)
 
+#if __LINUX_ARM_ARCH__ >= 6
+
+#define __get_user_asm_half(x, addr, err)			\
+	__get_user_asm(x, addr, err, ldrh)
+
+#else
+
 #ifndef __ARMEB__
 #define __get_user_asm_half(x, __gu_addr, err)			\
 ({								\
@@ -333,6 +372,8 @@
 })
 #endif
 
+#endif /* __LINUX_ARM_ARCH__ >= 6 */
+
 #define __get_user_asm_word(x, addr, err)			\
 	__get_user_asm(x, addr, err, ldr)
 #endif
@@ -362,6 +403,14 @@
 	__pu_err;							\
 })
 
+#ifdef CONFIG_CPU_SPECTRE
+/*
+ * When mitigating Spectre variant 1.1, all accessors need to include
+ * verification of the address space.
+ */
+#define __put_user(x, ptr) put_user(x, ptr)
+
+#else
 #define __put_user(x, ptr)						\
 ({									\
 	long __pu_err = 0;						\
@@ -369,12 +418,6 @@
 	__pu_err;							\
 })
 
-#define __put_user_error(x, ptr, err)					\
-({									\
-	__put_user_switch((x), (ptr), (err), __put_user_nocheck);	\
-	(void) 0;							\
-})
-
 #define __put_user_nocheck(x, __pu_ptr, __err, __size)			\
 	do {								\
 		unsigned long __pu_addr = (unsigned long)__pu_ptr;	\
@@ -406,6 +449,13 @@
 #define __put_user_asm_byte(x, __pu_addr, err)			\
 	__put_user_asm(x, __pu_addr, err, strb)
 
+#if __LINUX_ARM_ARCH__ >= 6
+
+#define __put_user_asm_half(x, __pu_addr, err)			\
+	__put_user_asm(x, __pu_addr, err, strh)
+
+#else
+
 #ifndef __ARMEB__
 #define __put_user_asm_half(x, __pu_addr, err)			\
 ({								\
@@ -422,6 +472,8 @@
 })
 #endif
 
+#endif /* __LINUX_ARM_ARCH__ >= 6 */
+
 #define __put_user_asm_word(x, __pu_addr, err)			\
 	__put_user_asm(x, __pu_addr, err, str)
 
@@ -454,6 +506,7 @@
 	: "r" (x), "i" (-EFAULT)				\
 	: "cc")
 
+#endif /* !CONFIG_CPU_SPECTRE */
 
 #ifdef CONFIG_MMU
 extern unsigned long __must_check
@@ -523,7 +576,7 @@
 
 static inline unsigned long __must_check clear_user(void __user *to, unsigned long n)
 {
-	if (access_ok(VERIFY_WRITE, to, n))
+	if (access_ok(to, n))
 		n = __clear_user(to, n);
 	return n;
 }
diff --git a/arch/arm/include/asm/unified.h b/arch/arm/include/asm/unified.h
index 2c3b952..1e2c3eb 100644
--- a/arch/arm/include/asm/unified.h
+++ b/arch/arm/include/asm/unified.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * include/asm-arm/unified.h - Unified Assembler Syntax helper macros
  *
  * Copyright (C) 2008 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
 #ifndef __ASM_UNIFIED_H
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 076090d..3676e82 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/unistd.h
  *
  *  Copyright (C) 2001-2005 Russell King
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  * Please forward _all_ changes to this file to rmk@arm.linux.org.uk,
  * no matter what the change is.  Thanks!
  */
@@ -16,23 +13,23 @@
 #include <uapi/asm/unistd.h>
 #include <asm/unistd-nr.h>
 
+#define __ARCH_WANT_NEW_STAT
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_GETHOSTNAME
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_GETPGRP
-#define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_OLD_MMAP
 #define __ARCH_WANT_SYS_OLD_SELECT
+#define __ARCH_WANT_SYS_UTIME32
 
 #if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
-#define __ARCH_WANT_SYS_TIME
+#define __ARCH_WANT_SYS_TIME32
 #define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_ALARM
-#define __ARCH_WANT_SYS_UTIME
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_SYS_SOCKETCALL
@@ -40,12 +37,12 @@
 #define __ARCH_WANT_SYS_FORK
 #define __ARCH_WANT_SYS_VFORK
 #define __ARCH_WANT_SYS_CLONE
+#define __ARCH_WANT_SYS_CLONE3
 
 /*
  * Unimplemented (or alternatively implemented) syscalls
  */
 #define __IGNORE_fadvise64_64
-#define __IGNORE_migrate_pages
 
 #ifdef __ARM_EABI__
 /*
diff --git a/arch/arm/include/asm/unwind.h b/arch/arm/include/asm/unwind.h
index d1c3f3a..6e282c3 100644
--- a/arch/arm/include/asm/unwind.h
+++ b/arch/arm/include/asm/unwind.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/asm/unwind.h
  *
  * Copyright (C) 2008 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
 #ifndef __ASM_UNWIND_H
diff --git a/arch/arm/include/asm/uprobes.h b/arch/arm/include/asm/uprobes.h
index 9472c20..6a61b28 100644
--- a/arch/arm/include/asm/uprobes.h
+++ b/arch/arm/include/asm/uprobes.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2012 Rabin Vincent <rabin at rab.in>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef _ASM_UPROBES_H
diff --git a/arch/arm/include/asm/v7m.h b/arch/arm/include/asm/v7m.h
index 187ccf6..2cb00d1 100644
--- a/arch/arm/include/asm/v7m.h
+++ b/arch/arm/include/asm/v7m.h
@@ -49,7 +49,7 @@
  * (0 -> msp; 1 -> psp). Bits [1:0] are fixed to 0b01.
  */
 #define EXC_RET_STACK_MASK			0x00000004
-#define EXC_RET_THREADMODE_PROCESSSTACK		0xfffffffd
+#define EXC_RET_THREADMODE_PROCESSSTACK		(3 << 2)
 
 /* Cache related definitions */
 
diff --git a/arch/arm/include/asm/vdso_datapage.h b/arch/arm/include/asm/vdso_datapage.h
index 9be2594..7910abf 100644
--- a/arch/arm/include/asm/vdso_datapage.h
+++ b/arch/arm/include/asm/vdso_datapage.h
@@ -1,19 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Adapted from arm64 version.
  *
  * Copyright (C) 2012 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #ifndef __ASM_VDSO_DATAPAGE_H
 #define __ASM_VDSO_DATAPAGE_H
diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h
index ef5dfed..628c336 100644
--- a/arch/arm/include/asm/vfpmacros.h
+++ b/arch/arm/include/asm/vfpmacros.h
@@ -29,13 +29,13 @@
 	ldr	\tmp, =elf_hwcap		    @ may not have MVFR regs
 	ldr	\tmp, [\tmp, #0]
 	tst	\tmp, #HWCAP_VFPD32
-	ldcnel	p11, cr0, [\base],#32*4		    @ FLDMIAD \base!, {d16-d31}
+	ldclne	p11, cr0, [\base],#32*4		    @ FLDMIAD \base!, {d16-d31}
 	addeq	\base, \base, #32*4		    @ step over unused register space
 #else
 	VFPFMRX	\tmp, MVFR0			    @ Media and VFP Feature Register 0
 	and	\tmp, \tmp, #MVFR0_A_SIMD_MASK	    @ A_SIMD field
 	cmp	\tmp, #2			    @ 32 x 64bit registers?
-	ldceql	p11, cr0, [\base],#32*4		    @ FLDMIAD \base!, {d16-d31}
+	ldcleq	p11, cr0, [\base],#32*4		    @ FLDMIAD \base!, {d16-d31}
 	addne	\base, \base, #32*4		    @ step over unused register space
 #endif
 #endif
@@ -53,13 +53,13 @@
 	ldr	\tmp, =elf_hwcap		    @ may not have MVFR regs
 	ldr	\tmp, [\tmp, #0]
 	tst	\tmp, #HWCAP_VFPD32
-	stcnel	p11, cr0, [\base],#32*4		    @ FSTMIAD \base!, {d16-d31}
+	stclne	p11, cr0, [\base],#32*4		    @ FSTMIAD \base!, {d16-d31}
 	addeq	\base, \base, #32*4		    @ step over unused register space
 #else
 	VFPFMRX	\tmp, MVFR0			    @ Media and VFP Feature Register 0
 	and	\tmp, \tmp, #MVFR0_A_SIMD_MASK	    @ A_SIMD field
 	cmp	\tmp, #2			    @ 32 x 64bit registers?
-	stceql	p11, cr0, [\base],#32*4		    @ FSTMIAD \base!, {d16-d31}
+	stcleq	p11, cr0, [\base],#32*4		    @ FSTMIAD \base!, {d16-d31}
 	addne	\base, \base, #32*4		    @ step over unused register space
 #endif
 #endif
diff --git a/arch/arm/include/asm/virt.h b/arch/arm/include/asm/virt.h
index 141144f..17c26cc 100644
--- a/arch/arm/include/asm/virt.h
+++ b/arch/arm/include/asm/virt.h
@@ -1,19 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (c) 2012 Linaro Limited.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef VIRT_H
diff --git a/arch/arm/include/asm/xen/page-coherent.h b/arch/arm/include/asm/xen/page-coherent.h
index b3ef061..27e9849 100644
--- a/arch/arm/include/asm/xen/page-coherent.h
+++ b/arch/arm/include/asm/xen/page-coherent.h
@@ -1 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <xen/arm/page-coherent.h>
diff --git a/arch/arm/include/asm/xen/xen-ops.h b/arch/arm/include/asm/xen/xen-ops.h
deleted file mode 100644
index ec154e7..0000000
--- a/arch/arm/include/asm/xen/xen-ops.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_XEN_OPS_H
-#define _ASM_XEN_OPS_H
-
-void xen_efi_runtime_setup(void);
-
-#endif /* _ASM_XEN_OPS_H */
diff --git a/arch/arm/include/asm/xor.h b/arch/arm/include/asm/xor.h
index 4ffb26d..aefddec 100644
--- a/arch/arm/include/asm/xor.h
+++ b/arch/arm/include/asm/xor.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/xor.h
  *
  *  Copyright (C) 2001 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #include <linux/hardirq.h>
 #include <asm-generic/xor.h>
diff --git a/arch/arm/include/debug/8250.S b/arch/arm/include/debug/8250.S
index 7f7446f..e4a036f 100644
--- a/arch/arm/include/debug/8250.S
+++ b/arch/arm/include/debug/8250.S
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/debug/8250.S
  *
  *  Copyright (C) 1994-2013 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #include <linux/serial_reg.h>
 
diff --git a/arch/arm/include/debug/asm9260.S b/arch/arm/include/debug/asm9260.S
index 292f85b..0da1eb6 100644
--- a/arch/arm/include/debug/asm9260.S
+++ b/arch/arm/include/debug/asm9260.S
@@ -1,13 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /* Debugging macro include header
  *
  *  Copyright (C) 1994-1999 Russell King
  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
  *  Modified for ASM9260 by Oleksij Remepl <linux@rempel-privat.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 		.macro	addruart, rp, rv, tmp
diff --git a/arch/arm/include/debug/at91.S b/arch/arm/include/debug/at91.S
index 0098401..6c91cba 100644
--- a/arch/arm/include/debug/at91.S
+++ b/arch/arm/include/debug/at91.S
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  Copyright (C) 2003-2005 SAN People
  *
  * Debugging macro include header
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
 */
 
 #define AT91_DBGU_SR		(0x14)	/* Status Register */
diff --git a/arch/arm/include/debug/bcm63xx.S b/arch/arm/include/debug/bcm63xx.S
index e7164d5..06a8962 100644
--- a/arch/arm/include/debug/bcm63xx.S
+++ b/arch/arm/include/debug/bcm63xx.S
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Broadcom BCM63xx low-level UART debug
  *
  * Copyright (C) 2014 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <linux/serial_bcm63xx.h>
diff --git a/arch/arm/include/debug/brcmstb.S b/arch/arm/include/debug/brcmstb.S
index 0f580ca..bf8702e 100644
--- a/arch/arm/include/debug/brcmstb.S
+++ b/arch/arm/include/debug/brcmstb.S
@@ -26,8 +26,9 @@
 
 #define UARTA_3390		REG_PHYS_ADDR(0x40a900)
 #define UARTA_7250		REG_PHYS_ADDR(0x40b400)
-#define UARTA_7260		REG_PHYS_ADDR(0x40c000)
-#define UARTA_7268		UARTA_7260
+#define UARTA_7255		REG_PHYS_ADDR(0x40c000)
+#define UARTA_7260		UARTA_7255
+#define UARTA_7268		UARTA_7255
 #define UARTA_7271		UARTA_7268
 #define UARTA_7278		REG_PHYS_ADDR_V7(0x40c000)
 #define UARTA_7364		REG_PHYS_ADDR(0x40b000)
@@ -82,15 +83,16 @@
 		/* Chip specific detection starts here */
 20:		checkuart(\rp, \rv, 0x33900000, 3390)
 21:		checkuart(\rp, \rv, 0x72500000, 7250)
-22:		checkuart(\rp, \rv, 0x72600000, 7260)
-23:		checkuart(\rp, \rv, 0x72680000, 7268)
-24:		checkuart(\rp, \rv, 0x72710000, 7271)
-25:		checkuart(\rp, \rv, 0x73640000, 7364)
-26:		checkuart(\rp, \rv, 0x73660000, 7366)
-27:		checkuart(\rp, \rv, 0x07437100, 74371)
-28:		checkuart(\rp, \rv, 0x74390000, 7439)
-29:		checkuart(\rp, \rv, 0x74450000, 7445)
-30:		checkuart(\rp, \rv, 0x72780000, 7278)
+22:		checkuart(\rp, \rv, 0x72550000, 7255)
+23:		checkuart(\rp, \rv, 0x72600000, 7260)
+24:		checkuart(\rp, \rv, 0x72680000, 7268)
+25:		checkuart(\rp, \rv, 0x72710000, 7271)
+26:		checkuart(\rp, \rv, 0x72780000, 7278)
+27:		checkuart(\rp, \rv, 0x73640000, 7364)
+28:		checkuart(\rp, \rv, 0x73660000, 7366)
+29:		checkuart(\rp, \rv, 0x07437100, 74371)
+30:		checkuart(\rp, \rv, 0x74390000, 7439)
+31:		checkuart(\rp, \rv, 0x74450000, 7445)
 
 		/* No valid UART found */
 90:		mov	\rp, #0
diff --git a/arch/arm/include/debug/clps711x.S b/arch/arm/include/debug/clps711x.S
index c17ac5c..774a67a 100644
--- a/arch/arm/include/debug/clps711x.S
+++ b/arch/arm/include/debug/clps711x.S
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef CONFIG_DEBUG_CLPS711X_UART2
diff --git a/arch/arm/include/debug/dc21285.S b/arch/arm/include/debug/dc21285.S
index 02247f3..d7e8c71 100644
--- a/arch/arm/include/debug/dc21285.S
+++ b/arch/arm/include/debug/dc21285.S
@@ -1,14 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /* arch/arm/mach-footbridge/include/mach/debug-macro.S
  *
  * Debugging macro include header
  *
  *  Copyright (C) 1994-1999 Russell King
  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
 */
 
 #include <asm/hardware/dec21285.h>
diff --git a/arch/arm/include/debug/digicolor.S b/arch/arm/include/debug/digicolor.S
index c951715..256f5f4 100644
--- a/arch/arm/include/debug/digicolor.S
+++ b/arch/arm/include/debug/digicolor.S
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Debugging macro include header for Conexant Digicolor USART
  *
  * Copyright (C) 2014 Paradox Innovation Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
 */
 
 #define UA0_STATUS	0x0742
diff --git a/arch/arm/include/debug/efm32.S b/arch/arm/include/debug/efm32.S
index 660fa1e..5ed5028 100644
--- a/arch/arm/include/debug/efm32.S
+++ b/arch/arm/include/debug/efm32.S
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2013 Pengutronix
  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #define UARTn_CMD		0x000c
diff --git a/arch/arm/include/debug/icedcc.S b/arch/arm/include/debug/icedcc.S
index 43afcb0..74a0dd0 100644
--- a/arch/arm/include/debug/icedcc.S
+++ b/arch/arm/include/debug/icedcc.S
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/debug/icedcc.S
  *
  *  Copyright (C) 1994-1999 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 		@@ debug using ARM EmbeddedICE DCC channel
diff --git a/arch/arm/include/debug/imx-uart.h b/arch/arm/include/debug/imx-uart.h
index bce58e9..c8eb83d 100644
--- a/arch/arm/include/debug/imx-uart.h
+++ b/arch/arm/include/debug/imx-uart.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2012-2015 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef __DEBUG_IMX_UART_H
diff --git a/arch/arm/include/debug/imx.S b/arch/arm/include/debug/imx.S
index 92c4476..1c1b9d1 100644
--- a/arch/arm/include/debug/imx.S
+++ b/arch/arm/include/debug/imx.S
@@ -1,14 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /* arch/arm/mach-imx/include/mach/debug-macro.S
  *
  * Debugging macro include header
  *
  *  Copyright (C) 1994-1999 Russell King
  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #include <asm/assembler.h>
diff --git a/arch/arm/include/debug/ks8695.S b/arch/arm/include/debug/ks8695.S
deleted file mode 100644
index 961da1f..0000000
--- a/arch/arm/include/debug/ks8695.S
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * arch/arm/include/debug/ks8695.S
- *
- * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk>
- * Copyright (C) 2006 Simtec Electronics
- *
- * KS8695 - Debug macros
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#define KS8695_UART_PA	0x03ffe000
-#define KS8695_UART_VA	0xf00fe000
-#define KS8695_URTH	(0x04)
-#define KS8695_URLS	(0x14)
-#define URLS_URTE	(1 << 6)
-#define URLS_URTHRE	(1 << 5)
-
-	.macro	addruart, rp, rv, tmp
-		ldr	\rp, =KS8695_UART_PA		@ physical base address
-		ldr	\rv, =KS8695_UART_VA		@ virtual base address
-	.endm
-
-	.macro	senduart, rd, rx
-		str	\rd, [\rx, #KS8695_URTH]	@ Write to Transmit Holding Register
-	.endm
-
-	.macro	busyuart, rd, rx
-1001:		ldr	\rd, [\rx, #KS8695_URLS]	@ Read Line Status Register
-		tst	\rd, #URLS_URTE			@ Holding & Shift registers empty?
-		beq	1001b
-	.endm
-
-	.macro	waituart, rd, rx
-1001:		ldr	\rd, [\rx, #KS8695_URLS]	@ Read Line Status Register
-		tst	\rd, #URLS_URTHRE		@ Holding Register empty?
-		beq	1001b
-	.endm
diff --git a/arch/arm/include/debug/meson.S b/arch/arm/include/debug/meson.S
index 1bae99b..1e501a0 100644
--- a/arch/arm/include/debug/meson.S
+++ b/arch/arm/include/debug/meson.S
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2014 Carlo Caione
  * Carlo Caione <carlo@caione.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #define MESON_AO_UART_WFIFO		0x0
diff --git a/arch/arm/include/debug/msm.S b/arch/arm/include/debug/msm.S
index b03024f..9405b71 100644
--- a/arch/arm/include/debug/msm.S
+++ b/arch/arm/include/debug/msm.S
@@ -1,18 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *
  * Copyright (C) 2007 Google, Inc.
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Author: Brian Swetland <swetland@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
  */
 
 	.macro	addruart, rp, rv, tmp
diff --git a/arch/arm/include/debug/netx.S b/arch/arm/include/debug/netx.S
deleted file mode 100644
index 81e1b2a..0000000
--- a/arch/arm/include/debug/netx.S
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Debugging macro include header
- *
- *  Copyright (C) 1994-1999 Russell King
- *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
-*/
-
-#define UART_DATA 0
-#define UART_FLAG 0x18
-#define UART_FLAG_BUSY (1 << 3)
-
-		.macro	addruart, rp, rv, tmp
-		ldr	\rp, =CONFIG_DEBUG_UART_PHYS
-		ldr	\rv, =CONFIG_DEBUG_UART_VIRT
-		.endm
-
-		.macro	senduart,rd,rx
-		str	\rd, [\rx, #UART_DATA]
-		.endm
-
-		.macro	busyuart,rd,rx
-1002:		ldr	\rd, [\rx, #UART_FLAG]
-		tst	\rd, #UART_FLAG_BUSY
-		bne	1002b
-		.endm
-
-		.macro	waituart,rd,rx
-1001:		ldr	\rd, [\rx, #UART_FLAG]
-		tst	\rd, #UART_FLAG_BUSY
-		bne	1001b
-		.endm
diff --git a/arch/arm/include/debug/omap2plus.S b/arch/arm/include/debug/omap2plus.S
index 192a758..b5696a3 100644
--- a/arch/arm/include/debug/omap2plus.S
+++ b/arch/arm/include/debug/omap2plus.S
@@ -1,13 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Debugging macro include header
  *
  *  Copyright (C) 1994-1999 Russell King
  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
 */
 
 #include <linux/serial_reg.h>
diff --git a/arch/arm/include/debug/pl01x.S b/arch/arm/include/debug/pl01x.S
index f7d8323..a2a553a 100644
--- a/arch/arm/include/debug/pl01x.S
+++ b/arch/arm/include/debug/pl01x.S
@@ -1,14 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /* arch/arm/include/debug/pl01x.S
  *
  * Debugging macro include header
  *
  *  Copyright (C) 1994-1999 Russell King
  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
 */
 #include <linux/amba/serial.h>
 
diff --git a/arch/arm/include/debug/renesas-scif.S b/arch/arm/include/debug/renesas-scif.S
index 1c5f795..25f0666 100644
--- a/arch/arm/include/debug/renesas-scif.S
+++ b/arch/arm/include/debug/renesas-scif.S
@@ -11,7 +11,11 @@
 #define SCIF_PHYS	CONFIG_DEBUG_UART_PHYS
 #define SCIF_VIRT	((SCIF_PHYS & 0x00ffffff) | 0xfd000000)
 
-#if CONFIG_DEBUG_UART_PHYS < 0xe6e00000
+#if defined(CONFIG_DEBUG_R7S9210_SCIF2) || defined(CONFIG_DEBUG_R7S9210_SCIF4)
+/* RZ/A2 SCIFA */
+#define FTDR		0x06
+#define FSR		0x08
+#elif CONFIG_DEBUG_UART_PHYS < 0xe6e00000
 /* SCIFA */
 #define FTDR		0x20
 #define FSR		0x14
diff --git a/arch/arm/include/debug/s3c24xx.S b/arch/arm/include/debug/s3c24xx.S
index b1f54dc..af873b5 100644
--- a/arch/arm/include/debug/s3c24xx.S
+++ b/arch/arm/include/debug/s3c24xx.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /* arch/arm/mach-s3c2410/include/mach/debug-macro.S
  *
  * Debugging macro include header
@@ -6,10 +7,6 @@
  *  Copyright (C) 2005 Simtec Electronics
  *
  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
 */
 
 #include <linux/serial_s3c.h>
diff --git a/arch/arm/include/debug/s5pv210.S b/arch/arm/include/debug/s5pv210.S
index 4f1a73e..820a1cf 100644
--- a/arch/arm/include/debug/s5pv210.S
+++ b/arch/arm/include/debug/s5pv210.S
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
 */
 
 /* pull in the relevant register and map files. */
diff --git a/arch/arm/include/debug/sa1100.S b/arch/arm/include/debug/sa1100.S
index a0ae4f4..6109e60 100644
--- a/arch/arm/include/debug/sa1100.S
+++ b/arch/arm/include/debug/sa1100.S
@@ -1,14 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /* arch/arm/include/debug/sa1100.S
  *
  * Debugging macro include header
  *
  *  Copyright (C) 1994-1999 Russell King
  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
 */
 
 #define UTCR3		0x0c
diff --git a/arch/arm/include/debug/sirf.S b/arch/arm/include/debug/sirf.S
index 630f231..e73e4de 100644
--- a/arch/arm/include/debug/sirf.S
+++ b/arch/arm/include/debug/sirf.S
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * arch/arm/mach-prima2/include/mach/debug-macro.S
  *
  * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
  */
 
 #define SIRF_LLUART_TXFIFO_STATUS	0x0114
diff --git a/arch/arm/include/debug/sti.S b/arch/arm/include/debug/sti.S
index e3aa58f..6b42c91 100644
--- a/arch/arm/include/debug/sti.S
+++ b/arch/arm/include/debug/sti.S
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/arm/include/debug/sti.S
  *
  * Debugging macro include header
  * Copyright (C) 2013 STMicroelectronics (R&D) Limited.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #define STIH41X_COMMS_BASE              0xfed00000
diff --git a/arch/arm/include/debug/stm32.S b/arch/arm/include/debug/stm32.S
new file mode 100644
index 0000000..1abb32f
--- /dev/null
+++ b/arch/arm/include/debug/stm32.S
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) STMicroelectronics SA 2017 - All Rights Reserved
+ * Author:   Gerald Baeza <gerald.baeza@st.com> for STMicroelectronics.
+ */
+
+#define STM32_UART_BASE			0x40011000	/* USART1 */
+
+#ifdef CONFIG_STM32F4_DEBUG_UART
+#define STM32_USART_SR_OFF		0x00
+#define STM32_USART_TDR_OFF		0x04
+#endif
+
+#ifdef CONFIG_STM32F7_DEBUG_UART
+#define STM32_USART_SR_OFF		0x1C
+#define STM32_USART_TDR_OFF		0x28
+#endif
+
+#define STM32_USART_TC			(1 << 6)	/* Tx complete       */
+#define STM32_USART_TXE			(1 << 7)	/* Tx data reg empty */
+
+.macro	addruart, rp, rv, tmp
+	ldr	\rp,      =STM32_UART_BASE	@ physical base
+	ldr	\rv,      =STM32_UART_BASE      @ virt base /* NoMMU */
+.endm
+
+.macro  senduart,rd,rx
+	strb    \rd, [\rx, #STM32_USART_TDR_OFF]
+.endm
+
+.macro  waituart,rd,rx
+1001:	ldr	\rd, [\rx, #(STM32_USART_SR_OFF)]	@ Read Status Register
+	tst	\rd, #STM32_USART_TXE			@ TXE = 1 = tx empty
+	beq	1001b
+.endm
+
+.macro  busyuart,rd,rx
+1001:	ldr	\rd, [\rx, #(STM32_USART_SR_OFF)]	@ Read Status Register
+	tst	\rd, #STM32_USART_TC			@ TC = 1 = tx complete
+	beq	1001b
+.endm
diff --git a/arch/arm/include/debug/tegra.S b/arch/arm/include/debug/tegra.S
index 3bc8059..2148d0f 100644
--- a/arch/arm/include/debug/tegra.S
+++ b/arch/arm/include/debug/tegra.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2010,2011 Google, Inc.
  * Copyright (C) 2011-2012 NVIDIA CORPORATION. All Rights Reserved.
@@ -10,16 +11,6 @@
  *
  * Portions based on mach-omap2's debug-macro.S
  * Copyright (C) 1994-1999 Russell King
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
  */
 
 #include <linux/serial_reg.h>
@@ -173,7 +164,7 @@
 
 		.macro	senduart, rd, rx
 		cmp	\rx, #0
-		strneb	\rd, [\rx, #UART_TX << UART_SHIFT]
+		strbne	\rd, [\rx, #UART_TX << UART_SHIFT]
 1001:
 		.endm
 
diff --git a/arch/arm/include/debug/ux500.S b/arch/arm/include/debug/ux500.S
index aa7f63a..c516900 100644
--- a/arch/arm/include/debug/ux500.S
+++ b/arch/arm/include/debug/ux500.S
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Debugging macro include header
  *
  *  Copyright (C) 2009 ST-Ericsson
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 
@@ -24,21 +20,16 @@
 #define U8500_UART0_PHYS_BASE	(0x80120000)
 #define U8500_UART1_PHYS_BASE	(0x80121000)
 #define U8500_UART2_PHYS_BASE	(0x80007000)
-#define U8500_UART0_VIRT_BASE	(0xf8120000)
-#define U8500_UART1_VIRT_BASE	(0xf8121000)
-#define U8500_UART2_VIRT_BASE	(0xf8007000)
 #define __UX500_PHYS_UART(n)	U8500_UART##n##_PHYS_BASE
-#define __UX500_VIRT_UART(n)	U8500_UART##n##_VIRT_BASE
 #endif
 
-#if !defined(__UX500_PHYS_UART) || !defined(__UX500_VIRT_UART)
+#if !defined(__UX500_PHYS_UART)
 #error Unknown SOC
 #endif
 
 #define UX500_PHYS_UART(n)	__UX500_PHYS_UART(n)
-#define UX500_VIRT_UART(n)	__UX500_VIRT_UART(n)
 #define UART_PHYS_BASE	UX500_PHYS_UART(CONFIG_UX500_DEBUG_UART)
-#define UART_VIRT_BASE	UX500_VIRT_UART(CONFIG_UX500_DEBUG_UART)
+#define UART_VIRT_BASE	(0xfff07000)
 
 	.macro	addruart, rp, rv, tmp
 	ldr	\rp, =UART_PHYS_BASE		@ no, physical address
diff --git a/arch/arm/include/debug/vexpress.S b/arch/arm/include/debug/vexpress.S
index 524acd5..ccb22e9 100644
--- a/arch/arm/include/debug/vexpress.S
+++ b/arch/arm/include/debug/vexpress.S
@@ -1,13 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /* arch/arm/mach-realview/include/mach/debug-macro.S
  *
  * Debugging macro include header
  *
  *  Copyright (C) 1994-1999 Russell King
  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #define DEBUG_LL_PHYS_BASE		0x10000000
diff --git a/arch/arm/include/debug/vf.S b/arch/arm/include/debug/vf.S
index b889338..854d9bd 100644
--- a/arch/arm/include/debug/vf.S
+++ b/arch/arm/include/debug/vf.S
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #define VF_UART0_BASE_ADDR	0x40027000
diff --git a/arch/arm/include/debug/vt8500.S b/arch/arm/include/debug/vt8500.S
index 0e0ca08..8dc1df2 100644
--- a/arch/arm/include/debug/vt8500.S
+++ b/arch/arm/include/debug/vt8500.S
@@ -1,13 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /* 
  * Debugging macro include header
  *
  *  Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
  *    Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S
  *    Minor changes for readability.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #define DEBUG_LL_PHYS_BASE		0xD8000000
diff --git a/arch/arm/include/debug/zynq.S b/arch/arm/include/debug/zynq.S
index 060cb5b..58d77c9 100644
--- a/arch/arm/include/debug/zynq.S
+++ b/arch/arm/include/debug/zynq.S
@@ -1,16 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Debugging macro include header
  *
  *  Copyright (C) 2011 Xilinx
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 #define UART_CR_OFFSET		0x00  /* Control Register [8:0] */
 #define UART_SR_OFFSET		0x2C  /* Channel Status [11:0] */
diff --git a/arch/arm/include/uapi/asm/Kbuild b/arch/arm/include/uapi/asm/Kbuild
index 4d1cc18..ce85731 100644
--- a/arch/arm/include/uapi/asm/Kbuild
+++ b/arch/arm/include/uapi/asm/Kbuild
@@ -1,24 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
-# UAPI Header export list
-include include/uapi/asm-generic/Kbuild.asm
 
 generated-y += unistd-common.h
 generated-y += unistd-oabi.h
 generated-y += unistd-eabi.h
-
-generic-y += bitsperlong.h
-generic-y += bpf_perf_event.h
-generic-y += errno.h
-generic-y += ioctl.h
-generic-y += ipcbuf.h
-generic-y += msgbuf.h
-generic-y += param.h
-generic-y += poll.h
-generic-y += resource.h
-generic-y += sembuf.h
-generic-y += shmbuf.h
-generic-y += siginfo.h
-generic-y += socket.h
-generic-y += sockios.h
-generic-y += termbits.h
-generic-y += termios.h
+generic-y += kvm_para.h
diff --git a/arch/arm/include/uapi/asm/kvm.h b/arch/arm/include/uapi/asm/kvm.h
index 4602464..2769360 100644
--- a/arch/arm/include/uapi/asm/kvm.h
+++ b/arch/arm/include/uapi/asm/kvm.h
@@ -214,6 +214,18 @@
 #define KVM_REG_ARM_FW_REG(r)		(KVM_REG_ARM | KVM_REG_SIZE_U64 | \
 					 KVM_REG_ARM_FW | ((r) & 0xffff))
 #define KVM_REG_ARM_PSCI_VERSION	KVM_REG_ARM_FW_REG(0)
+#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1	KVM_REG_ARM_FW_REG(1)
+	/* Higher values mean better protection. */
+#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_AVAIL		0
+#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_AVAIL		1
+#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_REQUIRED	2
+#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2	KVM_REG_ARM_FW_REG(2)
+	/* Higher values mean better protection. */
+#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_AVAIL		0
+#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_UNKNOWN		1
+#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_AVAIL		2
+#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_REQUIRED	3
+#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_ENABLED	(1U << 4)
 
 /* Device Control API: ARM VGIC */
 #define KVM_DEV_ARM_VGIC_GRP_ADDR	0
@@ -254,8 +266,10 @@
 #define   KVM_DEV_ARM_ITS_CTRL_RESET		4
 
 /* KVM_IRQ_LINE irq field index values */
+#define KVM_ARM_IRQ_VCPU2_SHIFT		28
+#define KVM_ARM_IRQ_VCPU2_MASK		0xf
 #define KVM_ARM_IRQ_TYPE_SHIFT		24
-#define KVM_ARM_IRQ_TYPE_MASK		0xff
+#define KVM_ARM_IRQ_TYPE_MASK		0xf
 #define KVM_ARM_IRQ_VCPU_SHIFT		16
 #define KVM_ARM_IRQ_VCPU_MASK		0xff
 #define KVM_ARM_IRQ_NUM_SHIFT		0
diff --git a/arch/arm/include/uapi/asm/kvm_para.h b/arch/arm/include/uapi/asm/kvm_para.h
deleted file mode 100644
index baacc49..0000000
--- a/arch/arm/include/uapi/asm/kvm_para.h
+++ /dev/null
@@ -1,2 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#include <asm-generic/kvm_para.h>
diff --git a/arch/arm/include/uapi/asm/setup.h b/arch/arm/include/uapi/asm/setup.h
index 6b335a9..25ceda6 100644
--- a/arch/arm/include/uapi/asm/setup.h
+++ b/arch/arm/include/uapi/asm/setup.h
@@ -9,7 +9,7 @@
  * published by the Free Software Foundation.
  *
  *  Structure passed to kernel to tell it about the
- *  hardware it's running on.  See Documentation/arm/Setup
+ *  hardware it's running on.  See Documentation/arm/setup.rst
  *  for more info.
  */
 #ifndef _UAPI__ASMARM_SETUP_H