diff options
| author | Guo Ren <ren_guo@c-sky.com> | 2018-12-30 21:47:28 +0800 |
|---|---|---|
| committer | Guo Ren <ren_guo@c-sky.com> | 2018-12-31 10:56:45 +0800 |
| commit | 2b070ccdf8c020fb6c4911263852c021d8aa843c (patch) | |
| tree | d4c06e8cb2eabaf8141eeb8fb1130d5651edd5bf /arch/csky/abiv2 | |
| parent | d770b25653447b4c57303859e2ac04ebe9318f8e (diff) | |
csky: fixup abiv2 mmap(... O_SYNC) failed.
Glibc function mmap(... O_SYNC) will make page to _PAGE_UNCACHE +
_PAGE_SO and strong-order page couldn't support unalignment access.
So remove _PAGE_SO from _PAGE_UNCACHE, also sync abiv1 with the macro
of _PAGE_SO.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Reported-by: Liu Renwei <Renwei.Liu@verisilicon.com>
Tested-by: Yuan Qiyun <qiyun_yuan@c-sky.com>
Diffstat (limited to 'arch/csky/abiv2')
| -rw-r--r-- | arch/csky/abiv2/inc/abi/pgtable-bits.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/csky/abiv2/inc/abi/pgtable-bits.h b/arch/csky/abiv2/inc/abi/pgtable-bits.h index b20ae19702e3..137f7932c83b 100644 --- a/arch/csky/abiv2/inc/abi/pgtable-bits.h +++ b/arch/csky/abiv2/inc/abi/pgtable-bits.h @@ -32,6 +32,6 @@ #define _CACHE_MASK _PAGE_CACHE #define _CACHE_CACHED (_PAGE_VALID | _PAGE_CACHE | _PAGE_BUF) -#define _CACHE_UNCACHED (_PAGE_VALID | _PAGE_SO) +#define _CACHE_UNCACHED (_PAGE_VALID) #endif /* __ASM_CSKY_PGTABLE_BITS_H */ |