projects / platform / kernel / linux-rpi.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 14f5ba2) | patch
drm/i915/gvt: set shadow entry to scratch page while p2m failed
authorXiaoguang Chen <xiaoguang.chen@intel.com>
Tue, 21 Mar 2017 02:54:21 +0000 (10:54 +0800)
committerZhenyu Wang <zhenyuw@linux.intel.com>
Tue, 21 Mar 2017 03:15:40 +0000 (11:15 +0800)
commit359b69310014511901bd61cc5f7680cb5de1faef
treef5af204f7d665391560240b340d61a7b95fdc453tree | snapshot
parent14f5ba26aa7060b4cad9c4c288b9a785bd0cd1a8commit | diff
drm/i915/gvt: set shadow entry to scratch page while p2m failed

Sometimes guest driver will only update partial of the GGTT entry then
access it. In this situation a failure will happen while translating
the gpa to hpa.
Now in this situation we let the corresponding shadow entry pointing
to a scratch page.

Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Xiaoguang Chen <xiaoguang.chen@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
drivers/gpu/drm/i915/gvt/gtt.c diff | blob | history
Domain: System / Kernel;