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mm: rename flush_icache_user_range to flush_icache_user_page

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The function currently known as flush_icache_user_range only operates on
a single page.  Rename it to flush_icache_user_page as we'll need the
name flush_icache_user_range for something else soon.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/20200515143646.3857579-20-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2020-06-07 21:42:22 -07:00 committed by Linus Torvalds
parent 97f52c1536
commit 885f7f8e30
13 changed files with 23 additions and 22 deletions
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10
arch/alpha/include/asm/cacheflush.h
View File

@ -35,7 +35,7 @@ extern void smp_imb(void);
extern void __load_new_mm_context(struct mm_struct *);
static inline void
flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
flush_icache_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long addr, int len)
{
if (vma->vm_flags & VM_EXEC) {
@ -46,16 +46,16 @@ flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
mm->context[smp_processor_id()] = 0;
}
}
#define flush_icache_user_range flush_icache_user_range
#define flush_icache_user_page flush_icache_user_page
#else /* CONFIG_SMP */
extern void flush_icache_user_range(struct vm_area_struct *vma,
extern 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
#endif /* CONFIG_SMP */
/* This is used only in __do_fault and do_swap_page. */
#define flush_icache_page(vma, page) \
flush_icache_user_range((vma), (page), 0, 0)
flush_icache_user_page((vma), (page), 0, 0)
#include <asm-generic/cacheflush.h>

2
arch/alpha/kernel/smp.c
View File

@ -740,7 +740,7 @@ ipi_flush_icache_page(void *x)
}
void
flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
flush_icache_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long addr, int len)
{
struct mm_struct *mm = vma->vm_mm;

2
arch/ia64/include/asm/cacheflush.h
View File

@ -22,7 +22,7 @@ extern void flush_icache_range(unsigned long start, unsigned long end);
#define flush_icache_range flush_icache_range
extern void clflush_cache_range(void *addr, int size);
#define flush_icache_user_range(vma, page, user_addr, len) \
#define flush_icache_user_page(vma, page, user_addr, len) \
do { \
unsigned long _addr = (unsigned long) page_address(page) + ((user_addr) & ~PAGE_MASK); \
flush_icache_range(_addr, _addr + (len)); \

4
arch/m68k/include/asm/cacheflush_mm.h
View File

@ -254,7 +254,7 @@ static inline void __flush_page_to_ram(void *vaddr)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_icache_page(vma, page) __flush_page_to_ram(page_address(page))
extern void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
extern void flush_icache_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long addr, int len);
extern void flush_icache_range(unsigned long address, unsigned long endaddr);
@ -264,7 +264,7 @@ static inline void copy_to_user_page(struct vm_area_struct *vma,
{
flush_cache_page(vma, vaddr, page_to_pfn(page));
memcpy(dst, src, len);
flush_icache_user_range(vma, page, vaddr, len);
flush_icache_user_page(vma, page, vaddr, len);
}
static inline void copy_from_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr,

2
arch/m68k/mm/cache.c
View File

@ -106,7 +106,7 @@ void flush_icache_range(unsigned long address, unsigned long endaddr)
}
EXPORT_SYMBOL(flush_icache_range);
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)
{
if (CPU_IS_COLDFIRE) {

4
arch/nds32/include/asm/cacheflush.h
View File

@ -44,9 +44,9 @@ void invalidate_kernel_vmap_range(void *addr, int size);
#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

2
arch/nds32/mm/cacheflush.c
View File

@ -36,7 +36,7 @@ void flush_icache_page(struct vm_area_struct *vma, struct page *page)
local_irq_restore(flags);
}
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)
{
unsigned long kaddr;

2
arch/openrisc/include/asm/cacheflush.h
View File

@ -62,7 +62,7 @@ static inline void flush_dcache_page(struct page *page)
clear_bit(PG_dc_clean, &page->flags);
}
#define flush_icache_user_range(vma, page, addr, len) \
#define flush_icache_user_page(vma, page, addr, len) \
do { \
if (vma->vm_flags & VM_EXEC) \
sync_icache_dcache(page); \

4
arch/powerpc/include/asm/cacheflush.h
View File

@ -28,9 +28,9 @@ extern void flush_dcache_page(struct page *page);
void flush_icache_range(unsigned long start, unsigned long stop);
#define flush_icache_range flush_icache_range
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
void flush_dcache_icache_page(struct page *page);
void __flush_dcache_icache(void *page);

2
arch/powerpc/mm/mem.c
View File

@ -577,7 +577,7 @@ void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
flush_dcache_page(pg);
}
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)
{
unsigned long maddr;

3
arch/riscv/include/asm/cacheflush.h
View File

@ -27,7 +27,8 @@ static inline void flush_dcache_page(struct page *page)
* so instead we just flush the whole thing.
*/
#define flush_icache_range(start, end) flush_icache_all()
#define flush_icache_user_range(vma, pg, addr, len) flush_icache_mm(vma->vm_mm, 0)
#define flush_icache_user_page(vma, pg, addr, len) \
flush_icache_mm(vma->vm_mm, 0)
#ifndef CONFIG_SMP

6
include/asm-generic/cacheflush.h
View File

@ -73,8 +73,8 @@ static inline void flush_icache_page(struct vm_area_struct *vma,
}
#endif
#ifndef flush_icache_user_range
static inline void flush_icache_user_range(struct vm_area_struct *vma,
#ifndef flush_icache_user_page
static inline void flush_icache_user_page(struct vm_area_struct *vma,
struct page *page,
unsigned long addr, int len)
{
@ -97,7 +97,7 @@ static inline void flush_cache_vunmap(unsigned long start, unsigned long end)
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
memcpy(dst, src, len); \
flush_icache_user_range(vma, page, vaddr, len); \
flush_icache_user_page(vma, page, vaddr, len); \
} while (0)
#endif

2
kernel/events/uprobes.c
View File

@ -1668,7 +1668,7 @@ void __weak arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,
copy_to_page(page, vaddr, src, len);
/*
* We probably need flush_icache_user_range() but it needs vma.
* We probably need flush_icache_user_page() but it needs vma.
* This should work on most of architectures by default. If
* architecture needs to do something different it can define
* its own version of the function.