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authorGuo Ren <ren_guo@c-sky.com>2018-12-30 14:47:28 +0100
committerGuo Ren <ren_guo@c-sky.com>2018-12-31 03:56:45 +0100
commit2b070ccdf8c020fb6c4911263852c021d8aa843c (patch)
treed4c06e8cb2eabaf8141eeb8fb1130d5651edd5bf /arch/csky/abiv2
parentcsky: define syscall_get_arch() (diff)
downloadlinux-2b070ccdf8c020fb6c4911263852c021d8aa843c.tar.xz
linux-2b070ccdf8c020fb6c4911263852c021d8aa843c.zip
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.h2
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 */