Linux kernel bug fix: drm/i915: Revoke mmaps and prevent access to fence registers across reset
Subsystem: gpu/i915 (drivers/gpu/drm/i915/selftests/intel_hangcheck.c)
Bug type: deadlock, severity: critical
Keywords: deadlock
Files changed: drivers/gpu/drm/i915/i915_debugfs.c;drivers/gpu/drm/i915/i915_drv.h;drivers/gpu/drm/i915/i915_gem.c;drivers/gpu/drm/i915/i915_gem_fence_reg.c;drivers/gpu/drm/i915/i915_gpu_error.h;drivers/gpu/drm/i915/i915_reset.c;drivers/gpu/drm/i915/i915_reset.h;drivers/gpu/drm/i915/intel_drv.h;drivers/gpu/drm/i915/selftests/intel_hangcheck.c;drivers/gpu/drm/i915/selftests/mock_gem_device.c
Introduced by Chris Wilson on 2019-01-25 14:27:22 +0000; fixed by Chris Wilson on 2019-02-08 16:47:32 +0000 (lifetime: 14 days)