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author | Guo Ren | 2019-01-30 13:13:11 +0100 |
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committer | Guo Ren | 2019-02-13 02:48:14 +0100 |
commit | 76d21d186a65523b08ea5f70302e2c29ee8f6a8d (patch) | |
tree | 0b8d869eb706911f0a7c38cac4d26e25f218b622 /drivers/gpu/drm/arc | |
parent | csky: coding convention: Use task_stack_page (diff) | |
download | kernel-qcow2-linux-76d21d186a65523b08ea5f70302e2c29ee8f6a8d.tar.gz kernel-qcow2-linux-76d21d186a65523b08ea5f70302e2c29ee8f6a8d.tar.xz kernel-qcow2-linux-76d21d186a65523b08ea5f70302e2c29ee8f6a8d.zip |
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>
Diffstat (limited to 'drivers/gpu/drm/arc')
0 files changed, 0 insertions, 0 deletions