| commit | 76d21d186a65523b08ea5f70302e2c29ee8f6a8d | [log] [tgz] |
|---|---|---|
| author | Guo Ren <ren_guo@c-sky.com> | Wed Jan 30 20:13:11 2019 +0800 |
| committer | Guo Ren <ren_guo@c-sky.com> | Wed Feb 13 09:48:14 2019 +0800 |
| tree | 0b8d869eb706911f0a7c38cac4d26e25f218b622 | |
| parent | 0f231dcfc664aaafa75a006ee10e55f3ae0c9b3c [diff] |
csky: Fixup io-range page attribute for mmap("/dev/mem")
Some user space drivers need accessing IO address and IO remap need
SO(strong order) page-attribute to make IO operation correct. So we
need add SO-page-attr for all non-memory address.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Reported-by: Fan Xiaodong <xiaodong.fan@boyahualu.com>