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/nds32/include/asm/Kbuild b/arch/nds32/include/asm/Kbuild
index 77eae62..82a4453 100644
--- a/arch/nds32/include/asm/Kbuild
+++ b/arch/nds32/include/asm/Kbuild
@@ -1,46 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
generic-y += asm-offsets.h
-generic-y += atomic.h
-generic-y += bitops.h
-generic-y += bug.h
-generic-y += bugs.h
-generic-y += checksum.h
generic-y += cmpxchg.h
-generic-y += compat.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 += export.h
-generic-y += fb.h
generic-y += gpio.h
-generic-y += hardirq.h
-generic-y += hw_irq.h
-generic-y += irq.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 += local64.h
-generic-y += mm-arch-hooks.h
-generic-y += mmiowb.h
generic-y += parport.h
-generic-y += pci.h
-generic-y += percpu.h
-generic-y += preempt.h
-generic-y += sections.h
-generic-y += serial.h
-generic-y += switch_to.h
-generic-y += timex.h
-generic-y += topology.h
-generic-y += trace_clock.h
-generic-y += xor.h
-generic-y += unaligned.h
generic-y += user.h
-generic-y += vga.h
-generic-y += word-at-a-time.h
diff --git a/arch/nds32/include/asm/cacheflush.h b/arch/nds32/include/asm/cacheflush.h
index caddded..7d6824f 100644
--- a/arch/nds32/include/asm/cacheflush.h
+++ b/arch/nds32/include/asm/cacheflush.h
@@ -44,9 +44,9 @@
#define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&(mapping)->i_pages)
#else
-void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
+void flush_icache_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long addr, int len);
-#define flush_icache_user_range flush_icache_user_range
+#define flush_icache_user_page flush_icache_user_page
#include <asm-generic/cacheflush.h>
#endif
diff --git a/arch/nds32/include/asm/futex.h b/arch/nds32/include/asm/futex.h
index 5213c65..4223f47 100644
--- a/arch/nds32/include/asm/futex.h
+++ b/arch/nds32/include/asm/futex.h
@@ -66,8 +66,8 @@
{
int oldval = 0, ret;
-
- pagefault_disable();
+ if (!access_ok(uaddr, sizeof(u32)))
+ return -EFAULT;
switch (op) {
case FUTEX_OP_SET:
__futex_atomic_op("move %0, %3", ret, oldval, tmp, uaddr,
@@ -93,8 +93,6 @@
ret = -ENOSYS;
}
- pagefault_enable();
-
if (!ret)
*oval = oldval;
diff --git a/arch/nds32/include/asm/highmem.h b/arch/nds32/include/asm/highmem.h
index b3a82c9..fe986d0 100644
--- a/arch/nds32/include/asm/highmem.h
+++ b/arch/nds32/include/asm/highmem.h
@@ -7,7 +7,6 @@
#include <asm/proc-fns.h>
#include <asm/kmap_types.h>
#include <asm/fixmap.h>
-#include <asm/pgtable.h>
/*
* Right now we initialize only a single pte table. It can be extended
@@ -32,7 +31,6 @@
#define LAST_PKMAP_MASK (LAST_PKMAP - 1)
#define PKMAP_NR(virt) (((virt) - (PKMAP_BASE)) >> PAGE_SHIFT)
#define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT))
-#define kmap_prot PAGE_KERNEL
static inline void flush_cache_kmaps(void)
{
@@ -44,9 +42,6 @@
extern pte_t *pkmap_page_table;
-extern void *kmap_high(struct page *page);
-extern void kunmap_high(struct page *page);
-
extern void kmap_init(void);
/*
@@ -54,12 +49,7 @@
* when CONFIG_HIGHMEM is not set.
*/
#ifdef CONFIG_HIGHMEM
-extern void *kmap(struct page *page);
-extern void kunmap(struct page *page);
-extern void *kmap_atomic(struct page *page);
-extern void __kunmap_atomic(void *kvaddr);
extern void *kmap_atomic_pfn(unsigned long pfn);
-extern struct page *kmap_atomic_to_page(void *ptr);
#endif
#endif
diff --git a/arch/nds32/include/asm/io.h b/arch/nds32/include/asm/io.h
index 16f2623..e57378d 100644
--- a/arch/nds32/include/asm/io.h
+++ b/arch/nds32/include/asm/io.h
@@ -6,7 +6,6 @@
#include <linux/types.h>
-extern void iounmap(volatile void __iomem *addr);
#define __raw_writeb __raw_writeb
static inline void __raw_writeb(u8 val, volatile void __iomem *addr)
{
@@ -79,5 +78,7 @@
#define writeb(v,c) ({ __iowmb(); writeb_relaxed((v),(c)); })
#define writew(v,c) ({ __iowmb(); writew_relaxed((v),(c)); })
#define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c)); })
+
#include <asm-generic/io.h>
+
#endif /* __ASM_NDS32_IO_H */
diff --git a/arch/nds32/include/asm/irqflags.h b/arch/nds32/include/asm/irqflags.h
index fb45ec4..51ef800 100644
--- a/arch/nds32/include/asm/irqflags.h
+++ b/arch/nds32/include/asm/irqflags.h
@@ -34,3 +34,8 @@
{
return !flags;
}
+
+static inline int arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
diff --git a/arch/nds32/include/asm/module.h b/arch/nds32/include/asm/module.h
deleted file mode 100644
index a3a08e9..0000000
--- a/arch/nds32/include/asm/module.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2005-2017 Andes Technology Corporation
-
-#ifndef _ASM_NDS32_MODULE_H
-#define _ASM_NDS32_MODULE_H
-
-#include <asm-generic/module.h>
-
-#define MODULE_ARCH_VERMAGIC "NDS32v3"
-
-#endif /* _ASM_NDS32_MODULE_H */
diff --git a/arch/nds32/include/asm/page.h b/arch/nds32/include/asm/page.h
index 8feb1fa..add33a7 100644
--- a/arch/nds32/include/asm/page.h
+++ b/arch/nds32/include/asm/page.h
@@ -41,17 +41,14 @@
void copy_page(void *to, void *from);
typedef unsigned long pte_t;
-typedef unsigned long pmd_t;
typedef unsigned long pgd_t;
typedef unsigned long pgprot_t;
#define pte_val(x) (x)
-#define pmd_val(x) (x)
#define pgd_val(x) (x)
#define pgprot_val(x) (x)
#define __pte(x) (x)
-#define __pmd(x) (x)
#define __pgd(x) (x)
#define __pgprot(x) (x)
@@ -62,9 +59,6 @@
#endif /* !__ASSEMBLY__ */
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
#endif /* __KERNEL__ */
#endif
diff --git a/arch/nds32/include/asm/pgalloc.h b/arch/nds32/include/asm/pgalloc.h
index 37125e6..85c1173 100644
--- a/arch/nds32/include/asm/pgalloc.h
+++ b/arch/nds32/include/asm/pgalloc.h
@@ -15,9 +15,6 @@
/*
* Since we have only two-level page tables, these are trivial
*/
-#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); })
-#define pmd_free(mm, pmd) do { } while (0)
-#define pgd_populate(mm, pmd, pte) BUG()
#define pmd_pgtable(pmd) pmd_page(pmd)
extern pgd_t *pgd_alloc(struct mm_struct *mm);
diff --git a/arch/nds32/include/asm/pgtable.h b/arch/nds32/include/asm/pgtable.h
index 0588ec9..419f984 100644
--- a/arch/nds32/include/asm/pgtable.h
+++ b/arch/nds32/include/asm/pgtable.h
@@ -4,41 +4,33 @@
#ifndef _ASMNDS32_PGTABLE_H
#define _ASMNDS32_PGTABLE_H
-#define __PAGETABLE_PMD_FOLDED 1
-#include <asm-generic/4level-fixup.h>
+#include <asm-generic/pgtable-nopmd.h>
#include <linux/sizes.h>
#include <asm/memory.h>
#include <asm/nds32.h>
#ifndef __ASSEMBLY__
#include <asm/fixmap.h>
-#include <asm/io.h>
#include <nds32_intrinsic.h>
#endif
#ifdef CONFIG_ANDES_PAGE_SIZE_4KB
#define PGDIR_SHIFT 22
#define PTRS_PER_PGD 1024
-#define PMD_SHIFT 22
-#define PTRS_PER_PMD 1
#define PTRS_PER_PTE 1024
#endif
#ifdef CONFIG_ANDES_PAGE_SIZE_8KB
#define PGDIR_SHIFT 24
#define PTRS_PER_PGD 256
-#define PMD_SHIFT 24
-#define PTRS_PER_PMD 1
#define PTRS_PER_PTE 2048
#endif
#ifndef __ASSEMBLY__
extern void __pte_error(const char *file, int line, unsigned long val);
-extern void __pmd_error(const char *file, int line, unsigned long val);
extern void __pgd_error(const char *file, int line, unsigned long val);
#define pte_ERROR(pte) __pte_error(__FILE__, __LINE__, pte_val(pte))
-#define pmd_ERROR(pmd) __pmd_error(__FILE__, __LINE__, pmd_val(pmd))
#define pgd_ERROR(pgd) __pgd_error(__FILE__, __LINE__, pgd_val(pgd))
#endif /* !__ASSEMBLY__ */
@@ -130,6 +122,9 @@
#define _PAGE_CACHE _PAGE_C_MEM_WB
#endif
+#define _PAGE_IOREMAP \
+ (_PAGE_V | _PAGE_M_KRW | _PAGE_D | _PAGE_G | _PAGE_C_DEV)
+
/*
* + Level 1 descriptor (PMD)
*/
@@ -191,16 +186,10 @@
#define pte_clear(mm,addr,ptep) set_pte_at((mm),(addr),(ptep), __pte(0))
#define pte_page(pte) (pfn_to_page(pte_pfn(pte)))
-#define pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
-#define pte_offset_kernel(dir, address) ((pte_t *)pmd_page_kernel(*(dir)) + pte_index(address))
-#define pte_offset_map(dir, address) ((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address))
-#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address)
-#define pmd_page_kernel(pmd) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
-
-#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
-
-#define pmd_off_k(address) pmd_offset(pgd_offset_k(address), address)
+static unsigned long pmd_page_vaddr(pmd_t pmd)
+{
+ return ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK));
+}
#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
/*
@@ -291,15 +280,6 @@
PTE_BIT_FUNC(mkdirty, |=_PAGE_D);
PTE_BIT_FUNC(mkold, &=~_PAGE_YOUNG);
PTE_BIT_FUNC(mkyoung, |=_PAGE_YOUNG);
-static inline int pte_special(pte_t pte)
-{
- return 0;
-}
-
-static inline pte_t pte_mkspecial(pte_t pte)
-{
- return pte;
-}
/*
* Mark the prot value as uncacheable and unbufferable.
@@ -360,15 +340,6 @@
*
*/
-/* to find an entry in a page-table-directory */
-#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1))
-#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))
-/* to find an entry in a kernel page-table-directory */
-#define pgd_offset_k(addr) pgd_offset(&init_mm, addr)
-
-/* Find an entry in the second-level page table.. */
-#define pmd_offset(dir, addr) ((pmd_t *)(dir))
-
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
const unsigned long mask = 0xfff;
@@ -391,8 +362,6 @@
/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
#define kern_addr_valid(addr) (1)
-#include <asm-generic/pgtable.h>
-
/*
* We provide our own arch_get_unmapped_area to cope with VIPT caches.
*/
diff --git a/arch/nds32/include/asm/tlb.h b/arch/nds32/include/asm/tlb.h
index a8aff1c..6726038 100644
--- a/arch/nds32/include/asm/tlb.h
+++ b/arch/nds32/include/asm/tlb.h
@@ -7,6 +7,5 @@
#include <asm-generic/tlb.h>
#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte)
-#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tln)->mm, pmd)
#endif
diff --git a/arch/nds32/include/asm/uaccess.h b/arch/nds32/include/asm/uaccess.h
index 8916ad9..54500e8 100644
--- a/arch/nds32/include/asm/uaccess.h
+++ b/arch/nds32/include/asm/uaccess.h
@@ -11,7 +11,6 @@
#include <asm/errno.h>
#include <asm/memory.h>
#include <asm/types.h>
-#include <linux/mm.h>
#define __asmeq(x, y) ".ifnc " x "," y " ; .err ; .endif\n\t"
@@ -45,7 +44,7 @@
current_thread_info()->addr_limit = fs;
}
-#define segment_eq(a, b) ((a) == (b))
+#define uaccess_kernel() (get_fs() == KERNEL_DS)
#define __range_ok(addr, size) (size <= get_fs() && addr <= (get_fs() -size))
@@ -71,9 +70,7 @@
* versions are void (ie, don't return a value as such).
*/
-#define get_user __get_user \
-
-#define __get_user(x, ptr) \
+#define get_user(x, ptr) \
({ \
long __gu_err = 0; \
__get_user_check((x), (ptr), __gu_err); \
@@ -86,6 +83,14 @@
(void)0; \
})
+#define __get_user(x, ptr) \
+({ \
+ long __gu_err = 0; \
+ const __typeof__(*(ptr)) __user *__p = (ptr); \
+ __get_user_err((x), __p, (__gu_err)); \
+ __gu_err; \
+})
+
#define __get_user_check(x, ptr, err) \
({ \
const __typeof__(*(ptr)) __user *__p = (ptr); \
@@ -166,12 +171,18 @@
: "r"(addr), "i"(-EFAULT) \
: "cc")
-#define put_user __put_user \
+#define put_user(x, ptr) \
+({ \
+ long __pu_err = 0; \
+ __put_user_check((x), (ptr), __pu_err); \
+ __pu_err; \
+})
#define __put_user(x, ptr) \
({ \
long __pu_err = 0; \
- __put_user_err((x), (ptr), __pu_err); \
+ __typeof__(*(ptr)) __user *__p = (ptr); \
+ __put_user_err((x), __p, __pu_err); \
__pu_err; \
})
diff --git a/arch/nds32/include/asm/vermagic.h b/arch/nds32/include/asm/vermagic.h
new file mode 100644
index 0000000..f772e7b
--- /dev/null
+++ b/arch/nds32/include/asm/vermagic.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+// Copyright (C) 2005-2017 Andes Technology Corporation
+
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
+
+#define MODULE_ARCH_VERMAGIC "NDS32v3"
+
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/nds32/include/asm/vmalloc.h b/arch/nds32/include/asm/vmalloc.h
new file mode 100644
index 0000000..caeed38
--- /dev/null
+++ b/arch/nds32/include/asm/vmalloc.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_NDS32_VMALLOC_H
+#define _ASM_NDS32_VMALLOC_H
+
+#endif /* _ASM_NDS32_VMALLOC_H */