From: Qi Liu <[email protected]>
We should put the reference count of the fence after calling
virtio_gpu_cmd_submit(). So add the missing dma_fence_put().
Fixes: 2cd7b6f08bc4 ("drm/virtio: add in/out fence support for explicit synchronization")
Co-developed-by: Xin He <[email protected]>
Signed-off-by: Xin He <[email protected]>
Signed-off-by: Qi Liu <[email protected]>
Reviewed-by: Muchun Song <[email protected]>
---
changelog in v3:
1) Change the subject from "drm/virtio: fixed memory leak in virtio_gpu_execbuffer_ioctl()" to
"drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl()"
2) Rework the commit log
changelog in v2:
1) Add a change description
drivers/gpu/drm/virtio/virtgpu_ioctl.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 5df722072ba0..19c5bc01eb79 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -179,6 +179,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
virtio_gpu_cmd_submit(vgdev, buf, exbuf->size,
vfpriv->ctx_id, buflist, out_fence);
+ dma_fence_put(&out_fence->f);
virtio_gpu_notify(vgdev);
return 0;
--
2.21.1 (Apple Git-122.3)
On Tue, Jul 21, 2020 at 6:17 PM Xin He <[email protected]> wrote:
>
> From: Qi Liu <[email protected]>
>
> We should put the reference count of the fence after calling
> virtio_gpu_cmd_submit(). So add the missing dma_fence_put().
>
> Fixes: 2cd7b6f08bc4 ("drm/virtio: add in/out fence support for explicit synchronization")
> Co-developed-by: Xin He <[email protected]>
> Signed-off-by: Xin He <[email protected]>
> Signed-off-by: Qi Liu <[email protected]>
> Reviewed-by: Muchun Song <[email protected]>
> ---
>
> changelog in v3:
> 1) Change the subject from "drm/virtio: fixed memory leak in virtio_gpu_execbuffer_ioctl()" to
> "drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl()"
> 2) Rework the commit log
>
> changelog in v2:
> 1) Add a change description
>
> drivers/gpu/drm/virtio/virtgpu_ioctl.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> index 5df722072ba0..19c5bc01eb79 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> @@ -179,6 +179,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
>
> virtio_gpu_cmd_submit(vgdev, buf, exbuf->size,
> vfpriv->ctx_id, buflist, out_fence);
> + dma_fence_put(&out_fence->f);
> virtio_gpu_notify(vgdev);
> return 0;
>
> --
> 2.21.1 (Apple Git-122.3)
>
Ping guys. Any comments or suggestions？
--
Yours,
Muchun
Xin He <[email protected]> 于2020年7月21日周二 下午6:17写道：
>
> From: Qi Liu <[email protected]>
>
> We should put the reference count of the fence after calling
> virtio_gpu_cmd_submit(). So add the missing dma_fence_put().
>
> Fixes: 2cd7b6f08bc4 ("drm/virtio: add in/out fence support for explicit synchronization")
> Co-developed-by: Xin He <[email protected]>
> Signed-off-by: Xin He <[email protected]>
> Signed-off-by: Qi Liu <[email protected]>
> Reviewed-by: Muchun Song <[email protected]>
> ---
>
> changelog in v3:
> 1) Change the subject from "drm/virtio: fixed memory leak in virtio_gpu_execbuffer_ioctl()" to
> "drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl()"
> 2) Rework the commit log
>
> changelog in v2:
> 1) Add a change description
>
> drivers/gpu/drm/virtio/virtgpu_ioctl.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> index 5df722072ba0..19c5bc01eb79 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> @@ -179,6 +179,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
>
> virtio_gpu_cmd_submit(vgdev, buf, exbuf->size,
> vfpriv->ctx_id, buflist, out_fence);
> + dma_fence_put(&out_fence->f);
> virtio_gpu_notify(vgdev);
> return 0;
>
> --
> 2.21.1 (Apple Git-122.3)
>
cc Greg
--
Xin He
On Fri, Aug 07, 2020 at 11:00:11AM +0800, 何鑫 wrote:
> Xin He <[email protected]> 于2020年7月21日周二 下午6:17写道：
> >
> > From: Qi Liu <[email protected]>
> >
> > We should put the reference count of the fence after calling
> > virtio_gpu_cmd_submit(). So add the missing dma_fence_put().
> >
> > Fixes: 2cd7b6f08bc4 ("drm/virtio: add in/out fence support for explicit synchronization")
> > Co-developed-by: Xin He <[email protected]>
> > Signed-off-by: Xin He <[email protected]>
> > Signed-off-by: Qi Liu <[email protected]>
> > Reviewed-by: Muchun Song <[email protected]>
> > ---
> >
> > changelog in v3:
> > 1) Change the subject from "drm/virtio: fixed memory leak in virtio_gpu_execbuffer_ioctl()" to
> > "drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl()"
> > 2) Rework the commit log
> >
> > changelog in v2:
> > 1) Add a change description
> >
> > drivers/gpu/drm/virtio/virtgpu_ioctl.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> > index 5df722072ba0..19c5bc01eb79 100644
> > --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> > +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> > @@ -179,6 +179,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
> >
> > virtio_gpu_cmd_submit(vgdev, buf, exbuf->size,
> > vfpriv->ctx_id, buflist, out_fence);
> > + dma_fence_put(&out_fence->f);
> > virtio_gpu_notify(vgdev);
> > return 0;
> >
> > --
> > 2.21.1 (Apple Git-122.3)
> >
>
> cc Greg
Why?
$ ./scripts/get_maintainer.pl --file drivers/gpu/drm/virtio/virtgpu_ioctl.c
David Airlie <[email protected]> (maintainer:VIRTIO GPU DRIVER)
Gerd Hoffmann <[email protected]> (maintainer:VIRTIO GPU DRIVER)
Daniel Vetter <[email protected]> (maintainer:DRM DRIVERS)
Sumit Semwal <[email protected]> (maintainer:DMA BUFFER SHARING FRAMEWORK)
"Christian König" <[email protected]> (maintainer:DMA BUFFER SHARING FRAMEWORK)
[email protected] (open list:VIRTIO GPU DRIVER)
[email protected] (open list:VIRTIO GPU DRIVER)
[email protected] (open list)
[email protected] (open list:DMA BUFFER SHARING FRAMEWORK)
[email protected] (moderated list:DMA BUFFER SHARING FRAMEWORK)
On Tue, Jul 21, 2020 at 06:16:47PM +0800, Xin He wrote:
> From: Qi Liu <[email protected]>
>
> We should put the reference count of the fence after calling
> virtio_gpu_cmd_submit(). So add the missing dma_fence_put().
> virtio_gpu_cmd_submit(vgdev, buf, exbuf->size,
> vfpriv->ctx_id, buflist, out_fence);
> + dma_fence_put(&out_fence->f);
> virtio_gpu_notify(vgdev);
Pushed to drm-misc-fixes.
thanks,
Gerd