csky: fixup abiv2 mmap(... O_SYNC) failed.

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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>

...

This commit is contained in:

Guo Ren 2018-12-30 21:47:28 +08:00

parent d770b25653

commit 2b070ccdf8

3 changed files with 3 additions and 2 deletions

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1

arch/csky/abiv1/inc/abi/pgtable-bits.h

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2

arch/csky/abiv2/inc/abi/pgtable-bits.h

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2

arch/csky/mm/ioremap.c

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