* [PATCH v3] drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl()
@ 2020-07-21 10:16 Xin He
2020-07-29 7:38 ` Muchun Song
` (2 more replies)
0 siblings, 3 replies; 5+ messages in thread
From: Xin He @ 2020-07-21 10:16 UTC (permalink / raw)
To: daniel, airlied, kraxel, sumit.semwal
Cc: linux-kernel, dri-devel, virtualization, linux-media,
linaro-mm-sig, Qi Liu, Xin He, Muchun Song
From: Qi Liu <liuqi.16@bytedance.com>
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 <hexin.op@bytedance.com>
Signed-off-by: Xin He <hexin.op@bytedance.com>
Signed-off-by: Qi Liu <liuqi.16@bytedance.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
---
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)
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH v3] drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl()
2020-07-21 10:16 [PATCH v3] drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl() Xin He
@ 2020-07-29 7:38 ` Muchun Song
2020-08-07 3:00 ` 何鑫
2020-08-07 11:57 ` Gerd Hoffmann
2 siblings, 0 replies; 5+ messages in thread
From: Muchun Song @ 2020-07-29 7:38 UTC (permalink / raw)
To: Xin He, daniel, airlied, kraxel, sumit.semwal, LKML, dri-devel,
virtualization
Cc: linux-media, linaro-mm-sig, Qi Liu
On Tue, Jul 21, 2020 at 6:17 PM Xin He <hexin.op@bytedance.com> wrote:
>
> From: Qi Liu <liuqi.16@bytedance.com>
>
> 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 <hexin.op@bytedance.com>
> Signed-off-by: Xin He <hexin.op@bytedance.com>
> Signed-off-by: Qi Liu <liuqi.16@bytedance.com>
> Reviewed-by: Muchun Song <songmuchun@bytedance.com>
> ---
>
> 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
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v3] drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl()
2020-07-21 10:16 [PATCH v3] drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl() Xin He
2020-07-29 7:38 ` Muchun Song
@ 2020-08-07 3:00 ` 何鑫
2020-08-07 5:52 ` Greg KH
2020-08-07 11:57 ` Gerd Hoffmann
2 siblings, 1 reply; 5+ messages in thread
From: 何鑫 @ 2020-08-07 3:00 UTC (permalink / raw)
To: Daniel Vetter, airlied, kraxel, Sumit Semwal
Cc: linux-kernel, dri-devel, virtualization, linux-media, Qi Liu,
Muchun Song, gregkh
Xin He <hexin.op@bytedance.com> 于2020年7月21日周二 下午6:17写道：
>
> From: Qi Liu <liuqi.16@bytedance.com>
>
> 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 <hexin.op@bytedance.com>
> Signed-off-by: Xin He <hexin.op@bytedance.com>
> Signed-off-by: Qi Liu <liuqi.16@bytedance.com>
> Reviewed-by: Muchun Song <songmuchun@bytedance.com>
> ---
>
> 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
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v3] drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl()
2020-08-07 3:00 ` 何鑫
@ 2020-08-07 5:52 ` Greg KH
0 siblings, 0 replies; 5+ messages in thread
From: Greg KH @ 2020-08-07 5:52 UTC (permalink / raw)
To: 何鑫
Cc: Daniel Vetter, airlied, kraxel, Sumit Semwal, linux-kernel,
dri-devel, virtualization, linux-media, Qi Liu, Muchun Song
On Fri, Aug 07, 2020 at 11:00:11AM +0800, 何鑫 wrote:
> Xin He <hexin.op@bytedance.com> 于2020年7月21日周二 下午6:17写道：
> >
> > From: Qi Liu <liuqi.16@bytedance.com>
> >
> > 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 <hexin.op@bytedance.com>
> > Signed-off-by: Xin He <hexin.op@bytedance.com>
> > Signed-off-by: Qi Liu <liuqi.16@bytedance.com>
> > Reviewed-by: Muchun Song <songmuchun@bytedance.com>
> > ---
> >
> > 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 <airlied@linux.ie> (maintainer:VIRTIO GPU DRIVER)
Gerd Hoffmann <kraxel@redhat.com> (maintainer:VIRTIO GPU DRIVER)
Daniel Vetter <daniel@ffwll.ch> (maintainer:DRM DRIVERS)
Sumit Semwal <sumit.semwal@linaro.org> (maintainer:DMA BUFFER SHARING FRAMEWORK)
"Christian König" <christian.koenig@amd.com> (maintainer:DMA BUFFER SHARING FRAMEWORK)
dri-devel@lists.freedesktop.org (open list:VIRTIO GPU DRIVER)
virtualization@lists.linux-foundation.org (open list:VIRTIO GPU DRIVER)
linux-kernel@vger.kernel.org (open list)
linux-media@vger.kernel.org (open list:DMA BUFFER SHARING FRAMEWORK)
linaro-mm-sig@lists.linaro.org (moderated list:DMA BUFFER SHARING FRAMEWORK)
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v3] drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl()
2020-07-21 10:16 [PATCH v3] drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl() Xin He
2020-07-29 7:38 ` Muchun Song
2020-08-07 3:00 ` 何鑫
@ 2020-08-07 11:57 ` Gerd Hoffmann
2 siblings, 0 replies; 5+ messages in thread
From: Gerd Hoffmann @ 2020-08-07 11:57 UTC (permalink / raw)
To: Xin He
Cc: daniel, airlied, sumit.semwal, linux-kernel, dri-devel,
virtualization, linux-media, linaro-mm-sig, Qi Liu, Muchun Song
On Tue, Jul 21, 2020 at 06:16:47PM +0800, Xin He wrote:
> From: Qi Liu <liuqi.16@bytedance.com>
>
> 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
^ permalink raw reply [flat|nested] 5+ messages in thread
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2020-07-21 10:16 [PATCH v3] drm/virtio: fix missing dma_fence_put() in virtio_gpu_execbuffer_ioctl() Xin He
2020-07-29 7:38 ` Muchun Song
2020-08-07 3:00 ` 何鑫
2020-08-07 5:52 ` Greg KH
2020-08-07 11:57 ` Gerd Hoffmann
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