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| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2021-03-23 16:50:52 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-03-24 17:59:37 +0100 |
| commit | 5b0a78ec0b5738046ab170e67cc28491cbee3f3f (patch) | |
| tree | ea4a8045daffb3301e2b55284d2fea24740bda86 /drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | |
| parent | fd995a3cc432da2d18c28c2731f41da9b751897b (diff) | |
drm/i915: Move gt_revoke() slightly
We get a lockdep splat when the reset mutex is held, because it can be
taken from fence_wait. This conflicts with the mmu notifier we have,
because we recurse between reset mutex and mmap lock -> mmu notifier.
Remove this recursion by calling revoke_mmaps before taking the lock.
The reset code still needs fixing, as taking mmap locks during reset
is not allowed.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
[danvet: Add FIXME.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210323155059.628690-64-maarten.lankhorst@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c')
0 files changed, 0 insertions, 0 deletions