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-rw-r--r--arch/arm/include/asm/cacheflush.h2
-rw-r--r--arch/arm/include/asm/cmpxchg.h7
-rw-r--r--arch/arm/include/asm/efi.h13
-rw-r--r--arch/arm/include/asm/hardware/locomo.h2
-rw-r--r--arch/arm/include/asm/hardware/sa1111.h2
-rw-r--r--arch/arm/include/asm/hugetlb-3level.h4
-rw-r--r--arch/arm/include/asm/unistd.h1
7 files changed, 24 insertions, 7 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 1075534b0a2e..8ed8b9a24efe 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -283,7 +283,7 @@ void flush_cache_pages(struct vm_area_struct *vma, unsigned long user_addr,
* flush_dcache_page is used when the kernel has written to the page
* cache page at virtual address page->virtual.
*
- * If this page isn't mapped (ie, page_mapping == NULL), or it might
+ * If this page isn't mapped (ie, folio_mapping == NULL), or it might
* have userspace mappings, then we _must_ always clean + invalidate
* the dcache entries associated with the kernel mapping.
*
diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h
index 44667bdb4707..9beb64d30586 100644
--- a/arch/arm/include/asm/cmpxchg.h
+++ b/arch/arm/include/asm/cmpxchg.h
@@ -5,6 +5,7 @@
#include <linux/irqflags.h>
#include <linux/prefetch.h>
#include <asm/barrier.h>
+#include <linux/cmpxchg-emu.h>
#if defined(CONFIG_CPU_SA1100) || defined(CONFIG_CPU_SA110)
/*
@@ -162,7 +163,11 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
prefetchw((const void *)ptr);
switch (size) {
-#ifndef CONFIG_CPU_V6 /* min ARCH >= ARMv6K */
+#ifdef CONFIG_CPU_V6 /* ARCH == ARMv6 */
+ case 1:
+ oldval = cmpxchg_emu_u8((volatile u8 *)ptr, old, new);
+ break;
+#else /* min ARCH > ARMv6 */
case 1:
do {
asm volatile("@ __cmpxchg1\n"
diff --git a/arch/arm/include/asm/efi.h b/arch/arm/include/asm/efi.h
index 78282ced5038..e408399d5f0e 100644
--- a/arch/arm/include/asm/efi.h
+++ b/arch/arm/include/asm/efi.h
@@ -14,6 +14,7 @@
#include <asm/mach/map.h>
#include <asm/mmu_context.h>
#include <asm/ptrace.h>
+#include <asm/uaccess.h>
#ifdef CONFIG_EFI
void efi_init(void);
@@ -25,6 +26,18 @@ int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md, boo
#define arch_efi_call_virt_setup() efi_virtmap_load()
#define arch_efi_call_virt_teardown() efi_virtmap_unload()
+#ifdef CONFIG_CPU_TTBR0_PAN
+#undef arch_efi_call_virt
+#define arch_efi_call_virt(p, f, args...) ({ \
+ unsigned int flags = uaccess_save_and_enable(); \
+ efi_status_t res = _Generic((p)->f(args), \
+ efi_status_t: (p)->f(args), \
+ default: ((p)->f(args), EFI_ABORTED)); \
+ uaccess_restore(flags); \
+ res; \
+})
+#endif
+
#define ARCH_EFI_IRQ_FLAGS_MASK \
(PSR_J_BIT | PSR_E_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT | \
PSR_T_BIT | MODE_MASK)
diff --git a/arch/arm/include/asm/hardware/locomo.h b/arch/arm/include/asm/hardware/locomo.h
index 9fd9ad5d9202..3190e1e5067a 100644
--- a/arch/arm/include/asm/hardware/locomo.h
+++ b/arch/arm/include/asm/hardware/locomo.h
@@ -189,7 +189,7 @@ struct locomo_driver {
void (*remove)(struct locomo_dev *);
};
-#define LOCOMO_DRV(_d) container_of((_d), struct locomo_driver, drv)
+#define LOCOMO_DRV(_d) container_of_const((_d), struct locomo_driver, drv)
#define LOCOMO_DRIVER_NAME(_ldev) ((_ldev)->dev.driver->name)
diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h
index d8c6f8a99dfa..a815f39b4243 100644
--- a/arch/arm/include/asm/hardware/sa1111.h
+++ b/arch/arm/include/asm/hardware/sa1111.h
@@ -404,7 +404,7 @@ struct sa1111_driver {
void (*remove)(struct sa1111_dev *);
};
-#define SA1111_DRV(_d) container_of((_d), struct sa1111_driver, drv)
+#define SA1111_DRV(_d) container_of_const((_d), struct sa1111_driver, drv)
#define SA1111_DRIVER_NAME(_sadev) ((_sadev)->dev.driver->name)
diff --git a/arch/arm/include/asm/hugetlb-3level.h b/arch/arm/include/asm/hugetlb-3level.h
index a30be5505793..87d48e2d90ad 100644
--- a/arch/arm/include/asm/hugetlb-3level.h
+++ b/arch/arm/include/asm/hugetlb-3level.h
@@ -13,12 +13,12 @@
/*
* If our huge pte is non-zero then mark the valid bit.
- * This allows pte_present(huge_ptep_get(ptep)) to return true for non-zero
+ * This allows pte_present(huge_ptep_get(mm,addr,ptep)) to return true for non-zero
* 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)
+static inline pte_t huge_ptep_get(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
pte_t retval = *ptep;
if (pte_val(retval))
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 3676e82cf95c..9fb00973c608 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -37,7 +37,6 @@
#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