Searched hist:"20224 d71" (Results 1 – 2 of 2) sorted by relevance
| /openbmc/linux/drivers/gpu/drm/msm/ |
| H A D | msm_gem.h | 20224d71 Fri Oct 23 11:51:08 CDT 2020 Rob Clark <robdclark@chromium.org> drm/msm/submit: Move copy_from_user ahead of locking bos
We cannot switch to using obj->resv for locking without first moving all
the copy_from_user() ahead of submit_lock_objects(). Otherwise in the
mm fault path we aquire mm->mmap_sem before obj lock, but in the submit
path the order is reversed.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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| H A D | msm_gem_submit.c | 20224d71 Fri Oct 23 11:51:08 CDT 2020 Rob Clark <robdclark@chromium.org> drm/msm/submit: Move copy_from_user ahead of locking bos
We cannot switch to using obj->resv for locking without first moving all
the copy_from_user() ahead of submit_lock_objects(). Otherwise in the
mm fault path we aquire mm->mmap_sem before obj lock, but in the submit
path the order is reversed.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
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