mips: export flush_icache_range (8229f1a0) · Commits · 戴 / test

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>

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);

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