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Commit 8229f1a0 authored by Kees Cook's avatar Kees Cook Committed by Linus Torvalds
Browse files

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: default avatarKees 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7848a4bf

arch/mips/mm/cache.c

+2 −2
Original line number Diff line number Diff line
@@ -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);