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The DRM layer will still have a pointer stashed > away for later freeing, causing a invalid memory access on driver > unload. So add a helper for releasing the DRM action as well. > > v2: Drop 'xe' parameter (review feedbak from Michal W) > > Signed-off-by: John Harrison > --- > drivers/gpu/drm/xe/xe_bo.c | 5 +++++ > drivers/gpu/drm/xe/xe_bo.h | 1 + > 2 files changed, 6 insertions(+) > > diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c > index ffca1cea5585..87aa0f5b2b2a 100644 > --- a/drivers/gpu/drm/xe/xe_bo.c > +++ b/drivers/gpu/drm/xe/xe_bo.c > @@ -2222,6 +2222,11 @@ struct xe_bo *xe_managed_bo_create_pin_map(struct xe_device *xe, struct xe_tile > return bo; > } > > +void xe_managed_bo_unpin_map_no_vm(struct xe_bo *bo) Not sure if the "_no_vm" postfix is the best choice here, because all managed_bo operations are without vm. But maybe better to keep it for future-proofing, in case we have a vm-enabled version later? Since I'm undecided myself I won't block on it. Reviewed-by: Daniele Ceraolo Spurio Daniele > +{ > + devm_release_action(xe_bo_device(bo)->drm.dev, __xe_bo_unpin_map_no_vm, bo); > +} > + > struct xe_bo *xe_managed_bo_create_from_data(struct xe_device *xe, struct xe_tile *tile, > const void *data, size_t size, u32 flags) > { > diff --git a/drivers/gpu/drm/xe/xe_bo.h b/drivers/gpu/drm/xe/xe_bo.h > index 8cce413b5235..298eef403505 100644 > --- a/drivers/gpu/drm/xe/xe_bo.h > +++ b/drivers/gpu/drm/xe/xe_bo.h > @@ -122,6 +122,7 @@ struct xe_bo *xe_bo_create_pin_map_at_aligned(struct xe_device *xe, > u64 alignment); > struct xe_bo *xe_managed_bo_create_pin_map(struct xe_device *xe, struct xe_tile *tile, > size_t size, u32 flags); > +void xe_managed_bo_unpin_map_no_vm(struct xe_bo *bo); > struct xe_bo *xe_managed_bo_create_from_data(struct xe_device *xe, struct xe_tile *tile, > const void *data, size_t size, u32 flags); > int xe_managed_bo_reinit_in_vram(struct xe_device *xe, struct xe_tile *tile, struct xe_bo **src);