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-rw-r--r--arch/arm/include/asm/cacheflush.h4
-rw-r--r--arch/arm/mm/flush.c33
-rw-r--r--arch/arm/mm/nommu.c6
-rw-r--r--arch/csky/abiv1/cacheflush.c11
-rw-r--r--arch/csky/abiv1/inc/abi/cacheflush.h4
-rw-r--r--arch/mips/include/asm/cacheflush.h8
-rw-r--r--arch/nds32/include/asm/cacheflush.h3
-rw-r--r--arch/nds32/mm/cacheflush.c9
-rw-r--r--arch/parisc/include/asm/cacheflush.h8
-rw-r--r--arch/parisc/kernel/cache.c3
-rw-r--r--arch/sh/include/asm/cacheflush.h8
11 files changed, 9 insertions, 88 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 2e24e765e6d3..5e56288e343b 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -291,6 +291,7 @@ extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
extern void flush_dcache_page(struct page *);
+#define ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE 1
static inline void flush_kernel_vmap_range(void *addr, int size)
{
if ((cache_is_vivt() || cache_is_vipt_aliasing()))
@@ -312,9 +313,6 @@ static inline void flush_anon_page(struct vm_area_struct *vma,
__flush_anon_page(vma, page, vmaddr);
}
-#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
-extern void flush_kernel_dcache_page(struct page *);
-
#define flush_dcache_mmap_lock(mapping) xa_lock_irq(&mapping->i_pages)
#define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages)
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 6d89db7895d1..7ff9feea13a6 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -346,39 +346,6 @@ void flush_dcache_page(struct page *page)
EXPORT_SYMBOL(flush_dcache_page);
/*
- * Ensure cache coherency for the kernel mapping of this page. We can
- * assume that the page is pinned via kmap.
- *
- * If the page only exists in the page cache and there are no user
- * space mappings, this is a no-op since the page was already marked
- * dirty at creation. Otherwise, we need to flush the dirty kernel
- * cache lines directly.
- */
-void flush_kernel_dcache_page(struct page *page)
-{
- if (cache_is_vivt() || cache_is_vipt_aliasing()) {
- struct address_space *mapping;
-
- mapping = page_mapping_file(page);
-
- if (!mapping || mapping_mapped(mapping)) {
- void *addr;
-
- addr = page_address(page);
- /*
- * kmap_atomic() doesn't set the page virtual
- * address for highmem pages, and
- * kunmap_atomic() takes care of cache
- * flushing already.
- */
- if (!IS_ENABLED(CONFIG_HIGHMEM) || addr)
- __cpuc_flush_dcache_area(addr, PAGE_SIZE);
- }
- }
-}
-EXPORT_SYMBOL(flush_kernel_dcache_page);
-
-/*
* Flush an anonymous page so that users of get_user_pages()
* can safely access the data. The expected sequence is:
*
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 8b3d7191e2b8..2658f52903da 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -166,12 +166,6 @@ void flush_dcache_page(struct page *page)
}
EXPORT_SYMBOL(flush_dcache_page);
-void flush_kernel_dcache_page(struct page *page)
-{
- __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE);
-}
-EXPORT_SYMBOL(flush_kernel_dcache_page);
-
void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long uaddr, void *dst, const void *src,
unsigned long len)
diff --git a/arch/csky/abiv1/cacheflush.c b/arch/csky/abiv1/cacheflush.c
index 07ff17ea33de..fb91b069dc69 100644
--- a/arch/csky/abiv1/cacheflush.c
+++ b/arch/csky/abiv1/cacheflush.c
@@ -56,17 +56,6 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr,
}
}
-void flush_kernel_dcache_page(struct page *page)
-{
- struct address_space *mapping;
-
- mapping = page_mapping_file(page);
-
- if (!mapping || mapping_mapped(mapping))
- dcache_wbinv_all();
-}
-EXPORT_SYMBOL(flush_kernel_dcache_page);
-
void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end)
{
diff --git a/arch/csky/abiv1/inc/abi/cacheflush.h b/arch/csky/abiv1/inc/abi/cacheflush.h
index 6cab7afae962..ed62e2066ba7 100644
--- a/arch/csky/abiv1/inc/abi/cacheflush.h
+++ b/arch/csky/abiv1/inc/abi/cacheflush.h
@@ -14,12 +14,10 @@ extern void flush_dcache_page(struct page *);
#define flush_cache_page(vma, page, pfn) cache_wbinv_all()
#define flush_cache_dup_mm(mm) cache_wbinv_all()
-#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
-extern void flush_kernel_dcache_page(struct page *);
-
#define flush_dcache_mmap_lock(mapping) xa_lock_irq(&mapping->i_pages)
#define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages)
+#define ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE 1
static inline void flush_kernel_vmap_range(void *addr, int size)
{
dcache_wbinv_all();
diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
index d687b40b9fbb..b3dc9c589442 100644
--- a/arch/mips/include/asm/cacheflush.h
+++ b/arch/mips/include/asm/cacheflush.h
@@ -125,13 +125,7 @@ static inline void kunmap_noncoherent(void)
kunmap_coherent();
}
-#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
-static inline void flush_kernel_dcache_page(struct page *page)
-{
- BUG_ON(cpu_has_dc_aliases && PageHighMem(page));
- flush_dcache_page(page);
-}
-
+#define ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE 1
/*
* For now flush_kernel_vmap_range and invalidate_kernel_vmap_range both do a
* cache writeback and invalidate operation.
diff --git a/arch/nds32/include/asm/cacheflush.h b/arch/nds32/include/asm/cacheflush.h
index 7d6824f7c0e8..c2a222ebfa2a 100644
--- a/arch/nds32/include/asm/cacheflush.h
+++ b/arch/nds32/include/asm/cacheflush.h
@@ -36,8 +36,7 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
void flush_anon_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr);
-#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
-void flush_kernel_dcache_page(struct page *page);
+#define ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE 1
void flush_kernel_vmap_range(void *addr, int size);
void invalidate_kernel_vmap_range(void *addr, int size);
#define flush_dcache_mmap_lock(mapping) xa_lock_irq(&(mapping)->i_pages)
diff --git a/arch/nds32/mm/cacheflush.c b/arch/nds32/mm/cacheflush.c
index ad5344ef5d33..07aac65d1cab 100644
--- a/arch/nds32/mm/cacheflush.c
+++ b/arch/nds32/mm/cacheflush.c
@@ -318,15 +318,6 @@ void flush_anon_page(struct vm_area_struct *vma,
local_irq_restore(flags);
}
-void flush_kernel_dcache_page(struct page *page)
-{
- unsigned long flags;
- local_irq_save(flags);
- cpu_dcache_wbinval_page((unsigned long)page_address(page));
- local_irq_restore(flags);
-}
-EXPORT_SYMBOL(flush_kernel_dcache_page);
-
void flush_kernel_vmap_range(void *addr, int size)
{
unsigned long flags;
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index 99663fc1f997..eef0096db5f8 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -36,16 +36,12 @@ void flush_cache_all_local(void);
void flush_cache_all(void);
void flush_cache_mm(struct mm_struct *mm);
-#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
void flush_kernel_dcache_page_addr(void *addr);
-static inline void flush_kernel_dcache_page(struct page *page)
-{
- flush_kernel_dcache_page_addr(page_address(page));
-}
#define flush_kernel_dcache_range(start,size) \
flush_kernel_dcache_range_asm((start), (start)+(size));
+#define ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE 1
void flush_kernel_vmap_range(void *vaddr, int size);
void invalidate_kernel_vmap_range(void *vaddr, int size);
@@ -59,7 +55,7 @@ extern void flush_dcache_page(struct page *page);
#define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages)
#define flush_icache_page(vma,page) do { \
- flush_kernel_dcache_page(page); \
+ flush_kernel_dcache_page_addr(page_address(page)); \
flush_kernel_icache_page(page_address(page)); \
} while (0)
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 86a1a63563fd..39e02227e231 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -334,7 +334,7 @@ void flush_dcache_page(struct page *page)
return;
}
- flush_kernel_dcache_page(page);
+ flush_kernel_dcache_page_addr(page_address(page));
if (!mapping)
return;
@@ -375,7 +375,6 @@ EXPORT_SYMBOL(flush_dcache_page);
/* Defined in arch/parisc/kernel/pacache.S */
EXPORT_SYMBOL(flush_kernel_dcache_range_asm);
-EXPORT_SYMBOL(flush_kernel_dcache_page_asm);
EXPORT_SYMBOL(flush_data_cache_local);
EXPORT_SYMBOL(flush_kernel_icache_range_asm);
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 4486a865ff62..372afa82fee6 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -63,6 +63,8 @@ static inline void flush_anon_page(struct vm_area_struct *vma,
if (boot_cpu_data.dcache.n_aliases && PageAnon(page))
__flush_anon_page(page, vmaddr);
}
+
+#define ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE 1
static inline void flush_kernel_vmap_range(void *addr, int size)
{
__flush_wback_region(addr, size);
@@ -72,12 +74,6 @@ static inline void invalidate_kernel_vmap_range(void *addr, int size)
__flush_invalidate_region(addr, size);
}
-#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
-static inline void flush_kernel_dcache_page(struct page *page)
-{
- flush_dcache_page(page);
-}
-
extern void copy_to_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr, void *dst, const void *src,
unsigned long len);