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author | Brad Volkin <bradley.d.volkin@intel.com> | 2014-02-18 22:15:55 +0400 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-04-02 00:58:14 +0400 |
commit | 114d4f700878405a9fd65a6ade4f981514b82919 (patch) | |
tree | 19aee24e789cc422d103f588a7e65518aef7ecea /drivers/xen/fallback.c | |
parent | d4d4803513af986a5280d810e093cd2bc2e71d88 (diff) | |
download | linux-114d4f700878405a9fd65a6ade4f981514b82919.tar.xz |
drm/i915: Reject commands that would store to global HWS page
PIPE_CONTROL and MI_FLUSH_DW have bits that would write to the
hardware status page. The driver stores request tracking info
there, so don't let userspace overwrite it.
v2: trailing comma fix, rebased
Signed-off-by: Brad Volkin <bradley.d.volkin@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/xen/fallback.c')
0 files changed, 0 insertions, 0 deletions