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drm/amdgpu: Protect the amdgpu_bo_list list with a mutex v2
Protect the struct amdgpu_bo_list with a mutex. This is used during command submission in order to avoid buffer object corruption as recorded in the link below. v2 (chk): Keep the mutex looked for the whole CS to avoid using the list from multiple CS threads at the same time. Suggested-by: Christian König <christian.koenig@amd.com> Cc: Alex Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Vitaly Prosyak <Vitaly.Prosyak@amd.com> Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2048 Signed-off-by: Luben Tuikov <luben.tuikov@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Tested-by: Luben Tuikov <luben.tuikov@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
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Luben Tuikov
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Alex Deucher
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Jul 20, 2022
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