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Re: [Qemu-devel] [PATCH 1/3] virtio-balloon: discard virtqueue element o
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From: |
Roman Kagan |
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Subject: |
Re: [Qemu-devel] [PATCH 1/3] virtio-balloon: discard virtqueue element on reset |
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Date: |
Thu, 8 Sep 2016 09:38:01 +0300 |
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User-agent: |
NeoMutt/20160827 () |
On Wed, Sep 07, 2016 at 05:20:47PM +0200, Ladi Prosek wrote:
> The one pending element is being freed but not discarded on device
> reset, which causes svq->inuse to creep up, eventually hitting the
> "Virtqueue size exceeded" error.
>
> Properly discarding the element on device reset makes sure that its
> buffers are unmapped and the inuse counter stays balanced.
>
> Cc: Michael S. Tsirkin <address@hidden>
> Cc: Roman Kagan <address@hidden>
> Cc: Stefan Hajnoczi <address@hidden>
> Signed-off-by: Ladi Prosek <address@hidden>
> ---
> hw/virtio/virtio-balloon.c | 1 +
> 1 file changed, 1 insertion(+)
Reviewed-by: Roman Kagan <address@hidden>