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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-10-24 23:58:40 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-12-04 15:58:50 +0100
commit2df341edf6b8a2db7f414d00faeadccbdd9844ab (patch)
treee88bb4f549103a9fe25552ab136c9ce3daab61f1 /arch/arm/mm/flush.c
parentARM: Reduce __flush_dcache_page() visibility (diff)
downloadlinux-2df341edf6b8a2db7f414d00faeadccbdd9844ab.tar.xz
linux-2df341edf6b8a2db7f414d00faeadccbdd9844ab.zip
ARM: Move __flush_icache_all() out of flush_pfn_alias()
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/flush.c')
-rw-r--r--arch/arm/mm/flush.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 82f4b06bf6b4..302d66517488 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -35,7 +35,6 @@ static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr)
:
: "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES), "r" (zero)
: "cc");
- __flush_icache_all();
}
void flush_cache_mm(struct mm_struct *mm)
@@ -79,8 +78,10 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsig
return;
}
- if (cache_is_vipt_aliasing())
+ if (cache_is_vipt_aliasing()) {
flush_pfn_alias(pfn, user_addr);
+ __flush_icache_all();
+ }
}
void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
@@ -94,6 +95,7 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
if (cache_is_vipt_aliasing()) {
flush_pfn_alias(page_to_pfn(page), uaddr);
+ __flush_icache_all();
return;
}
@@ -132,9 +134,11 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page)
* we only need to do one flush - which would be at the relevant
* userspace colour, which is congruent with page->index.
*/
- if (mapping && cache_is_vipt_aliasing())
+ if (mapping && cache_is_vipt_aliasing()) {
flush_pfn_alias(page_to_pfn(page),
page->index << PAGE_CACHE_SHIFT);
+ __flush_icache_all();
+ }
}
static void __flush_dcache_aliases(struct address_space *mapping, struct page *page)
@@ -244,6 +248,7 @@ void __flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned l
* userspace address only.
*/
flush_pfn_alias(pfn, vmaddr);
+ __flush_icache_all();
}
/*