Linux kernel bug fix: drm/amdgpu: Replace Mutex with Spinlock for RLCG register access to avoid Priority Inversion in SRIOV
Subsystem: gpu/amd (drivers/gpu/drm/amd/amdgpu/amdgpu_device.c)
Bug type: race-condition, severity: critical
Keywords: race condition
Files changed: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c;drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c;drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
Introduced by Victor Skvortsov on 2024-05-29 14:48:30 -0400; fixed by Srinivasan Shanmugam on 2025-02-19 15:14:38 -0500 (lifetime: 266 days)