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(parent: dfe9707) | patch
drm/amd/amdgpu: fix missing lock for cper.ring->rptr/wptr access
authorYang Wang <kevinyang.wang@amd.com>
Thu, 24 Jul 2025 07:16:18 +0000 (15:16 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 28 Jul 2025 20:26:52 +0000 (16:26 -0400)
commit8e0d1edb5c16732b695eaf4bd7096b1569817cf0
treed31e6ff27417e75af2d3d641c25251ab16187f92tree
parentdfe9707c075a365ccd1f82cceabdf6ab55a77b5fcommit | diff
drm/amd/amdgpu: fix missing lock for cper.ring->rptr/wptr access

Add lock protection for 'ring->wptr'/'ring->rptr' to ensure the correct execution.

Fixes: 8652920d2c00 ("drm/amdgpu: add mutex lock for cper ring")
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)