Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig
index e65e8d8..48d66bf 100644
--- a/arch/c6x/Kconfig
+++ b/arch/c6x/Kconfig
@@ -11,6 +11,7 @@
select ARCH_HAS_SYNC_DMA_FOR_CPU
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select CLKDEV_LOOKUP
+ select HAVE_LEGACY_CLK
select GENERIC_ATOMIC64
select GENERIC_IRQ_SHOW
select HAVE_ARCH_TRACEHOOK
@@ -21,6 +22,7 @@
select GENERIC_CLOCKEVENTS
select MODULES_USE_ELF_RELA
select MMU_GATHER_NO_RANGE if MMU
+ select SET_FS
config MMU
def_bool n
diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild
index a036e05..a4ef93a 100644
--- a/arch/c6x/include/asm/Kbuild
+++ b/arch/c6x/include/asm/Kbuild
@@ -1,42 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
-generic-y += atomic.h
-generic-y += barrier.h
-generic-y += bugs.h
-generic-y += compat.h
-generic-y += current.h
-generic-y += device.h
-generic-y += div64.h
-generic-y += dma.h
-generic-y += dma-mapping.h
-generic-y += emergency-restart.h
-generic-y += exec.h
generic-y += extable.h
-generic-y += fb.h
-generic-y += futex.h
-generic-y += hw_irq.h
-generic-y += io.h
-generic-y += irq_regs.h
-generic-y += irq_work.h
-generic-y += kdebug.h
-generic-y += kmap_types.h
-generic-y += kprobes.h
generic-y += kvm_para.h
-generic-y += local.h
generic-y += mcs_spinlock.h
-generic-y += mm-arch-hooks.h
-generic-y += mmiowb.h
-generic-y += mmu.h
-generic-y += mmu_context.h
-generic-y += pci.h
-generic-y += percpu.h
-generic-y += pgalloc.h
-generic-y += preempt.h
-generic-y += serial.h
-generic-y += shmparam.h
-generic-y += tlbflush.h
-generic-y += topology.h
-generic-y += trace_clock.h
generic-y += user.h
-generic-y += vga.h
-generic-y += word-at-a-time.h
-generic-y += xor.h
diff --git a/arch/c6x/include/asm/cacheflush.h b/arch/c6x/include/asm/cacheflush.h
index 4540b40..10922d5 100644
--- a/arch/c6x/include/asm/cacheflush.h
+++ b/arch/c6x/include/asm/cacheflush.h
@@ -17,21 +17,6 @@
#include <asm/string.h>
/*
- * virtually-indexed cache management (our cache is physically indexed)
- */
-#define flush_cache_all() do {} while (0)
-#define flush_cache_mm(mm) do {} while (0)
-#define flush_cache_dup_mm(mm) do {} while (0)
-#define flush_cache_range(mm, start, end) do {} while (0)
-#define flush_cache_page(vma, vmaddr, pfn) do {} while (0)
-#define flush_cache_vmap(start, end) do {} while (0)
-#define flush_cache_vunmap(start, end) do {} while (0)
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-#define flush_dcache_page(page) do {} while (0)
-#define flush_dcache_mmap_lock(mapping) do {} while (0)
-#define flush_dcache_mmap_unlock(mapping) do {} while (0)
-
-/*
* physically-indexed cache management
*/
#define flush_icache_range(s, e) \
@@ -49,14 +34,12 @@
(unsigned long) page_address(page) + PAGE_SIZE)); \
} while (0)
-
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
memcpy(dst, src, len); \
flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \
} while (0)
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
- memcpy(dst, src, len)
+#include <asm-generic/cacheflush.h>
#endif /* _ASM_C6X_CACHEFLUSH_H */
diff --git a/arch/c6x/include/asm/checksum.h b/arch/c6x/include/asm/checksum.h
index 36770b8..934918d 100644
--- a/arch/c6x/include/asm/checksum.h
+++ b/arch/c6x/include/asm/checksum.h
@@ -26,6 +26,9 @@
}
#define csum_tcpudp_nofold csum_tcpudp_nofold
+#define _HAVE_ARCH_CSUM_AND_COPY
+extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len);
+
#include <asm-generic/checksum.h>
#endif /* _ASM_C6X_CHECKSUM_H */
diff --git a/arch/c6x/include/asm/page.h b/arch/c6x/include/asm/page.h
index 70db1e7..4007989 100644
--- a/arch/c6x/include/asm/page.h
+++ b/arch/c6x/include/asm/page.h
@@ -2,10 +2,7 @@
#ifndef _ASM_C6X_PAGE_H
#define _ASM_C6X_PAGE_H
-#define VM_DATA_DEFAULT_FLAGS \
- (VM_READ | VM_WRITE | \
- ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC
#include <asm-generic/page.h>
diff --git a/arch/c6x/include/asm/pgtable.h b/arch/c6x/include/asm/pgtable.h
index 0b6919c..8a91ced 100644
--- a/arch/c6x/include/asm/pgtable.h
+++ b/arch/c6x/include/asm/pgtable.h
@@ -8,7 +8,7 @@
#ifndef _ASM_C6X_PGTABLE_H
#define _ASM_C6X_PGTABLE_H
-#include <asm-generic/4level-fixup.h>
+#include <asm-generic/pgtable-nopud.h>
#include <asm/setup.h>
#include <asm/page.h>
@@ -26,7 +26,6 @@
#define pgd_clear(pgdp)
#define kern_addr_valid(addr) (1)
-#define pmd_offset(a, b) ((void *)0)
#define pmd_none(x) (!pmd_val(x))
#define pmd_present(x) (pmd_val(x))
#define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0)
@@ -64,6 +63,4 @@
*/
#define pgprot_writecombine pgprot_noncached
-#include <asm-generic/pgtable.h>
-
#endif /* _ASM_C6X_PGTABLE_H */
diff --git a/arch/c6x/include/asm/unaligned.h b/arch/c6x/include/asm/unaligned.h
index b56ba71..d628cc1 100644
--- a/arch/c6x/include/asm/unaligned.h
+++ b/arch/c6x/include/asm/unaligned.h
@@ -10,6 +10,7 @@
#define _ASM_C6X_UNALIGNED_H
#include <linux/swab.h>
+#include <linux/unaligned/generic.h>
/*
* The C64x+ can do unaligned word and dword accesses in hardware
@@ -100,68 +101,4 @@
#endif
-/*
- * Cause a link-time error if we try an unaligned access other than
- * 1,2,4 or 8 bytes long
- */
-extern int __bad_unaligned_access_size(void);
-
-#define __get_unaligned_le(ptr) (typeof(*(ptr)))({ \
- sizeof(*(ptr)) == 1 ? *(ptr) : \
- (sizeof(*(ptr)) == 2 ? get_unaligned_le16((ptr)) : \
- (sizeof(*(ptr)) == 4 ? get_unaligned_le32((ptr)) : \
- (sizeof(*(ptr)) == 8 ? get_unaligned_le64((ptr)) : \
- __bad_unaligned_access_size()))); \
- })
-
-#define __get_unaligned_be(ptr) (__force typeof(*(ptr)))({ \
- sizeof(*(ptr)) == 1 ? *(ptr) : \
- (sizeof(*(ptr)) == 2 ? get_unaligned_be16((ptr)) : \
- (sizeof(*(ptr)) == 4 ? get_unaligned_be32((ptr)) : \
- (sizeof(*(ptr)) == 8 ? get_unaligned_be64((ptr)) : \
- __bad_unaligned_access_size()))); \
- })
-
-#define __put_unaligned_le(val, ptr) ({ \
- void *__gu_p = (ptr); \
- switch (sizeof(*(ptr))) { \
- case 1: \
- *(u8 *)__gu_p = (__force u8)(val); \
- break; \
- case 2: \
- put_unaligned_le16((__force u16)(val), __gu_p); \
- break; \
- case 4: \
- put_unaligned_le32((__force u32)(val), __gu_p); \
- break; \
- case 8: \
- put_unaligned_le64((__force u64)(val), __gu_p); \
- break; \
- default: \
- __bad_unaligned_access_size(); \
- break; \
- } \
- (void)0; })
-
-#define __put_unaligned_be(val, ptr) ({ \
- void *__gu_p = (ptr); \
- switch (sizeof(*(ptr))) { \
- case 1: \
- *(u8 *)__gu_p = (__force u8)(val); \
- break; \
- case 2: \
- put_unaligned_be16((__force u16)(val), __gu_p); \
- break; \
- case 4: \
- put_unaligned_be32((__force u32)(val), __gu_p); \
- break; \
- case 8: \
- put_unaligned_be64((__force u64)(val), __gu_p); \
- break; \
- default: \
- __bad_unaligned_access_size(); \
- break; \
- } \
- (void)0; })
-
#endif /* _ASM_C6X_UNALIGNED_H */
diff --git a/arch/c6x/include/asm/vmalloc.h b/arch/c6x/include/asm/vmalloc.h
new file mode 100644
index 0000000..26c6c66
--- /dev/null
+++ b/arch/c6x/include/asm/vmalloc.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_C6X_VMALLOC_H
+#define _ASM_C6X_VMALLOC_H
+
+#endif /* _ASM_C6X_VMALLOC_H */
diff --git a/arch/c6x/kernel/entry.S b/arch/c6x/kernel/entry.S
index 4332a10..fb154d1 100644
--- a/arch/c6x/kernel/entry.S
+++ b/arch/c6x/kernel/entry.S
@@ -18,7 +18,7 @@
#define DP B14
#define SP B15
-#ifndef CONFIG_PREEMPT
+#ifndef CONFIG_PREEMPTION
#define resume_kernel restore_all
#endif
@@ -287,7 +287,7 @@
;; is a little bit different
;;
ENTRY(ret_from_exception)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
MASK_INT B2
#endif
@@ -557,7 +557,7 @@
;;
;; Jump to schedule() then return to ret_from_isr
;;
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
resume_kernel:
GET_THREAD_INFO A12
LDW .D1T1 *+A12(THREAD_INFO_PREEMPT_COUNT),A1
@@ -582,7 +582,7 @@
B .S2 preempt_schedule_irq
#endif
ADDKPC .S2 preempt_schedule,B3,4
-#endif /* CONFIG_PREEMPT */
+#endif /* CONFIG_PREEMPTION */
ENTRY(enable_exception)
DINT
diff --git a/arch/c6x/kernel/process.c b/arch/c6x/kernel/process.c
index cb9c8b6..9f4fd6a 100644
--- a/arch/c6x/kernel/process.c
+++ b/arch/c6x/kernel/process.c
@@ -105,8 +105,8 @@
* Copy a new thread context in its stack.
*/
int copy_thread(unsigned long clone_flags, unsigned long usp,
- unsigned long ustk_size,
- struct task_struct *p)
+ unsigned long ustk_size, struct task_struct *p,
+ unsigned long tls)
{
struct pt_regs *childregs;
diff --git a/arch/c6x/kernel/ptrace.c b/arch/c6x/kernel/ptrace.c
index 67af156..3cdaa8c 100644
--- a/arch/c6x/kernel/ptrace.c
+++ b/arch/c6x/kernel/ptrace.c
@@ -57,14 +57,9 @@
static int gpr_get(struct task_struct *target,
const struct user_regset *regset,
- unsigned int pos, unsigned int count,
- void *kbuf, void __user *ubuf)
+ struct membuf to)
{
- struct pt_regs *regs = task_pt_regs(target);
-
- return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
- regs,
- 0, sizeof(*regs));
+ return membuf_write(&to, task_pt_regs(target), sizeof(struct pt_regs));
}
enum c6x_regset {
@@ -77,7 +72,7 @@
.n = ELF_NGREG,
.size = sizeof(u32),
.align = sizeof(u32),
- .get = gpr_get,
+ .regset_get = gpr_get,
},
};
diff --git a/arch/c6x/kernel/setup.c b/arch/c6x/kernel/setup.c
index 8ef3513..9254c3b 100644
--- a/arch/c6x/kernel/setup.c
+++ b/arch/c6x/kernel/setup.c
@@ -287,7 +287,8 @@
void __init setup_arch(char **cmdline_p)
{
- struct memblock_region *reg;
+ phys_addr_t start, end;
+ u64 i;
printk(KERN_INFO "Initializing kernel\n");
@@ -351,9 +352,9 @@
disable_caching(ram_start, ram_end - 1);
/* Set caching of external RAM used by Linux */
- for_each_memblock(memory, reg)
- enable_caching(CACHE_REGION_START(reg->base),
- CACHE_REGION_START(reg->base + reg->size - 1));
+ for_each_mem_range(i, &start, &end)
+ enable_caching(CACHE_REGION_START(start),
+ CACHE_REGION_START(end - 1));
#ifdef CONFIG_BLK_DEV_INITRD
/*
diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c
index e456652..a3f15b9 100644
--- a/arch/c6x/kernel/signal.c
+++ b/arch/c6x/kernel/signal.c
@@ -220,7 +220,7 @@
regs->a4 = -EINTR;
break;
}
- /* fallthrough */
+ fallthrough;
case -ERESTARTNOINTR:
do_restart:
regs->a4 = regs->orig_a4;
@@ -252,7 +252,7 @@
break;
}
- /* fallthrough */
+ fallthrough;
case -ERESTARTNOINTR:
regs->a4 = regs->orig_a4;
regs->pc -= 4;
@@ -316,8 +316,6 @@
if (thread_info_flags & (1 << TIF_SIGPENDING))
do_signal(regs, syscall);
- if (thread_info_flags & (1 << TIF_NOTIFY_RESUME)) {
- clear_thread_flag(TIF_NOTIFY_RESUME);
+ if (thread_info_flags & (1 << TIF_NOTIFY_RESUME))
tracehook_notify_resume(regs);
- }
}
diff --git a/arch/c6x/kernel/traps.c b/arch/c6x/kernel/traps.c
index ec61034..2b9121c 100644
--- a/arch/c6x/kernel/traps.c
+++ b/arch/c6x/kernel/traps.c
@@ -344,12 +344,13 @@
static int kstack_depth_to_print = 48;
-static void show_trace(unsigned long *stack, unsigned long *endstack)
+static void show_trace(unsigned long *stack, unsigned long *endstack,
+ const char *loglvl)
{
unsigned long addr;
int i;
- pr_debug("Call trace:");
+ printk("%sCall trace:", loglvl);
i = 0;
while (stack + 1 <= endstack) {
addr = *stack++;
@@ -364,16 +365,17 @@
if (__kernel_text_address(addr)) {
#ifndef CONFIG_KALLSYMS
if (i % 5 == 0)
- pr_debug("\n ");
+ printk("%s\n ", loglvl);
#endif
- pr_debug(" [<%08lx>] %pS\n", addr, (void *)addr);
+ printk("%s [<%08lx>] %pS\n", loglvl, addr, (void *)addr);
i++;
}
}
- pr_debug("\n");
+ printk("%s\n", loglvl);
}
-void show_stack(struct task_struct *task, unsigned long *stack)
+void show_stack(struct task_struct *task, unsigned long *stack,
+ const char *loglvl)
{
unsigned long *p, *endstack;
int i;
@@ -398,7 +400,7 @@
pr_cont(" %08lx", *p++);
}
pr_cont("\n");
- show_trace(stack, endstack);
+ show_trace(stack, endstack, loglvl);
}
int is_valid_bugaddr(unsigned long addr)
diff --git a/arch/c6x/kernel/vmlinux.lds.S b/arch/c6x/kernel/vmlinux.lds.S
index 584bab2..ac99ba0 100644
--- a/arch/c6x/kernel/vmlinux.lds.S
+++ b/arch/c6x/kernel/vmlinux.lds.S
@@ -5,6 +5,9 @@
* Copyright (C) 2010, 2011 Texas Instruments Incorporated
* Mark Salter <msalter@redhat.com>
*/
+
+#define RO_EXCEPTION_TABLE_ALIGN 16
+
#include <asm-generic/vmlinux.lds.h>
#include <asm/thread_info.h>
#include <asm/page.h>
@@ -80,10 +83,7 @@
*(.gnu.warning)
}
- EXCEPTION_TABLE(16)
- NOTES
-
- RO_DATA_SECTION(PAGE_SIZE)
+ RO_DATA(PAGE_SIZE)
.const :
{
*(.const .const.* .gnu.linkonce.r.*)
diff --git a/arch/c6x/lib/checksum.c b/arch/c6x/lib/checksum.c
index 4694084..dff2e2e 100644
--- a/arch/c6x/lib/checksum.c
+++ b/arch/c6x/lib/checksum.c
@@ -4,30 +4,8 @@
#include <linux/module.h>
#include <net/checksum.h>
-#include <asm/byteorder.h>
-
-/*
- * copy from fs while checksumming, otherwise like csum_partial
- */
-__wsum
-csum_partial_copy_from_user(const void __user *src, void *dst, int len,
- __wsum sum, int *csum_err)
-{
- int missing;
-
- missing = __copy_from_user(dst, src, len);
- if (missing) {
- memset(dst + len - missing, 0, missing);
- *csum_err = -EFAULT;
- } else
- *csum_err = 0;
-
- return csum_partial(dst, len, sum);
-}
-EXPORT_SYMBOL(csum_partial_copy_from_user);
-
/* These are from csum_64plus.S */
EXPORT_SYMBOL(csum_partial);
-EXPORT_SYMBOL(csum_partial_copy);
+EXPORT_SYMBOL(csum_partial_copy_nocheck);
EXPORT_SYMBOL(ip_compute_csum);
EXPORT_SYMBOL(ip_fast_csum);
diff --git a/arch/c6x/lib/csum_64plus.S b/arch/c6x/lib/csum_64plus.S
index 8e625a3..5714886 100644
--- a/arch/c6x/lib/csum_64plus.S
+++ b/arch/c6x/lib/csum_64plus.S
@@ -10,8 +10,8 @@
#include <linux/linkage.h>
;
-;unsigned int csum_partial_copy(const char *src, char * dst,
-; int len, int sum)
+;unsigned int csum_partial_copy_nocheck(const char *src, char * dst,
+; int len, int sum)
;
; A4: src
; B4: dst
@@ -21,10 +21,9 @@
;
.text
-ENTRY(csum_partial_copy)
+ENTRY(csum_partial_copy_nocheck)
MVC .S2 ILC,B30
- MV .D1X B6,A31 ; given csum
ZERO .D1 A9 ; csum (a side)
|| ZERO .D2 B9 ; csum (b side)
|| SHRU .S2X A6,2,B5 ; len / 4
@@ -144,12 +143,11 @@
SHRU .S1 A9,16,A0
[A0] BNOP .S1 L91,5
-L10: ADD .D1 A31,A9,A9
- MV .D1 A9,A4
+L10: MV .D1 A9,A4
BNOP .S2 B3,4
MVC .S2 B30,ILC
-ENDPROC(csum_partial_copy)
+ENDPROC(csum_partial_copy_nocheck)
;
;unsigned short
diff --git a/arch/c6x/mm/dma-coherent.c b/arch/c6x/mm/dma-coherent.c
index b319808..03df07a 100644
--- a/arch/c6x/mm/dma-coherent.c
+++ b/arch/c6x/mm/dma-coherent.c
@@ -15,7 +15,7 @@
#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/interrupt.h>
-#include <linux/dma-noncoherent.h>
+#include <linux/dma-map-ops.h>
#include <linux/memblock.h>
#include <asm/cacheflush.h>
@@ -140,7 +140,7 @@
sizeof(long));
}
-static void c6x_dma_sync(struct device *dev, phys_addr_t paddr, size_t size,
+static void c6x_dma_sync(phys_addr_t paddr, size_t size,
enum dma_data_direction dir)
{
BUG_ON(!valid_dma_direction(dir));
@@ -160,14 +160,14 @@
}
}
-void arch_sync_dma_for_device(struct device *dev, phys_addr_t paddr,
- size_t size, enum dma_data_direction dir)
+void arch_sync_dma_for_device(phys_addr_t paddr, size_t size,
+ enum dma_data_direction dir)
{
- return c6x_dma_sync(dev, paddr, size, dir);
+ return c6x_dma_sync(paddr, size, dir);
}
-void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
- size_t size, enum dma_data_direction dir)
+void arch_sync_dma_for_cpu(phys_addr_t paddr, size_t size,
+ enum dma_data_direction dir)
{
- return c6x_dma_sync(dev, paddr, size, dir);
+ return c6x_dma_sync(paddr, size, dir);
}
diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c
index 9b37439..a97e51a 100644
--- a/arch/c6x/mm/init.c
+++ b/arch/c6x/mm/init.c
@@ -33,7 +33,7 @@
void __init paging_init(void)
{
struct pglist_data *pgdat = NODE_DATA(0);
- unsigned long zones_size[MAX_NR_ZONES] = {0, };
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, };
empty_zero_page = (unsigned long) memblock_alloc(PAGE_SIZE,
PAGE_SIZE);
@@ -49,11 +49,9 @@
/*
* Define zones
*/
- zones_size[ZONE_NORMAL] = (memory_end - PAGE_OFFSET) >> PAGE_SHIFT;
- pgdat->node_zones[ZONE_NORMAL].zone_start_pfn =
- __pa(PAGE_OFFSET) >> PAGE_SHIFT;
+ max_zone_pfn[ZONE_NORMAL] = memory_end >> PAGE_SHIFT;
- free_area_init(zones_size);
+ free_area_init(max_zone_pfn);
}
void __init mem_init(void)
diff --git a/arch/c6x/platforms/timer64.c b/arch/c6x/platforms/timer64.c
index d98d943..661f4c7 100644
--- a/arch/c6x/platforms/timer64.c
+++ b/arch/c6x/platforms/timer64.c
@@ -165,13 +165,6 @@
return IRQ_HANDLED;
}
-static struct irqaction timer_iact = {
- .name = "timer",
- .flags = IRQF_TIMER,
- .handler = timer_interrupt,
- .dev_id = &t64_clockevent_device,
-};
-
void __init timer64_init(void)
{
struct clock_event_device *cd = &t64_clockevent_device;
@@ -238,7 +231,9 @@
cd->cpumask = cpumask_of(smp_processor_id());
clockevents_register_device(cd);
- setup_irq(cd->irq, &timer_iact);
+ if (request_irq(cd->irq, timer_interrupt, IRQF_TIMER, "timer",
+ &t64_clockevent_device))
+ pr_err("Failed to request irq %d (timer)\n", cd->irq);
out:
of_node_put(np);