AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-04 14:26:41 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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>
This commit is contained in:
Will Deacon 2013-06-12 10:03:30 +01:00
parent 9781aa8adb
commit 6af396a6b6
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/include/asm/cacheflush.h
View File

@ -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)