Commit 6af396a6 authored Jun 12, 2013 by Will Deacon

ARM: cacheflush: use -ishst dsb variant for ensuring flush completion

flush_cache_vmap contains a dsb to ensure that any cacheflushing
operations to flush out newly written ptes have completed.

This patch adds the -ishst option to the dsb, since that is all that is
required for completing cacheflushing in the inner-shareable domain.

Signed-off-by: Will Deacon <will.deacon@arm.com>

parent 9781aa8a

arch/arm/include/asm/cacheflush.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -352,7 +352,7 @@ static inline void flush_cache_vmap(unsigned long start, unsigned long end)
		* set_pte_at() called from vmap_pte_range() does not
		* have a DSB after cleaning the cache line.
		*/
		dsb();
		dsb(ishst);
		}

		static inline void flush_cache_vunmap(unsigned long start, unsigned long end)