On Mon, Oct 19, 2020 at 10:45 PM Rob Clark wrote:
>
> From: Rob Clark
>
> 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
>
From: Rob Clark
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
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