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| author | Ce Sun <cesun102@amd.com> | 2025-08-19 09:47:05 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-08-27 20:57:47 +0300 |
| commit | 0989b764f43d4de2c6665c15165c251d9cfde9c0 (patch) | |
| tree | e7d49f88e5d3a8480892aafdcab618666350ac2a /drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h | |
| parent | 907813e5d7cadfeafab12467d748705a5309efb0 (diff) | |
| download | linux-0989b764f43d4de2c6665c15165c251d9cfde9c0.tar.xz | |
drm/amdgpu: Add a mutex lock to protect poison injection
When poison is triggered multiple times, competition will occur.
Add a mutex lock to protect poison injection
Signed-off-by: Ce Sun <cesun102@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h index ff63020f9c6c..2a70782b07bf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h @@ -587,6 +587,8 @@ struct amdgpu_ras { struct list_head critical_region_head; struct mutex critical_region_lock; + /* Protect poison injection */ + struct mutex poison_lock; }; struct ras_fs_data { |