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authorKees Cook <keescook@chromium.org>2014-04-19 02:07:19 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-19 03:40:09 +0400
commit8229f1a044894f84324292608c149f0b4563532b (patch)
tree98d8f768a54c00abad55e03f07415df25fd61ee3
parent7848a4bf51b34f41fcc9bd77e837126d99ae84e3 (diff)
downloadlinux-8229f1a044894f84324292608c149f0b4563532b.tar.xz
mips: export flush_icache_range
The lkdtm module performs tests against executable memory ranges, so it needs to flush the icache for proper behaviors. Other architectures already export this, so do the same for MIPS. [akpm@linux-foundation.org: relocate export sites] Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Sanjay Lal <sanjayl@kymasys.com> Cc: John Crispin <blogic@openwrt.org> Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/mips/mm/cache.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index e422b38d3113..9e67cdea3c74 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -29,15 +29,15 @@ void (*flush_cache_range)(struct vm_area_struct *vma, unsigned long start,
void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page,
unsigned long pfn);
void (*flush_icache_range)(unsigned long start, unsigned long end);
+EXPORT_SYMBOL_GPL(flush_icache_range);
void (*local_flush_icache_range)(unsigned long start, unsigned long end);
void (*__flush_cache_vmap)(void);
void (*__flush_cache_vunmap)(void);
void (*__flush_kernel_vmap_range)(unsigned long vaddr, int size);
-void (*__invalidate_kernel_vmap_range)(unsigned long vaddr, int size);
-
EXPORT_SYMBOL_GPL(__flush_kernel_vmap_range);
+void (*__invalidate_kernel_vmap_range)(unsigned long vaddr, int size);
/* MIPS specific cache operations */
void (*flush_cache_sigtramp)(unsigned long addr);