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Re: [Qemu-devel] [PATCH 1/2] virtio: set guest_features before calling s


From: Amit Shah
Subject: Re: [Qemu-devel] [PATCH 1/2] virtio: set guest_features before calling set_features callback, not after
Date: Mon, 23 Apr 2012 17:44:35 +0530

On (Mon) 23 Apr 2012 [14:26:23], Alon Levy wrote:
> We could drop the features parameter but that's a little more work and
> it's not really needed.
> 
> Signed-off-by: Alon Levy <address@hidden>

Michael, can you ack this?  I'm running these through the test suite
and will send them both once everything's fine.

> ---
>  hw/virtio.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/virtio.c b/hw/virtio.c
> index 064aecf..aeddc81 100644
> --- a/hw/virtio.c
> +++ b/hw/virtio.c
> @@ -770,10 +770,10 @@ int virtio_set_features(VirtIODevice *vdev, uint32_t 
> val)
>      bool bad = (val & ~supported_features) != 0;
>  
>      val &= supported_features;
> +    vdev->guest_features = val;
>      if (vdev->set_features) {
>          vdev->set_features(vdev, val);
>      }
> -    vdev->guest_features = val;
>      return bad ? -1 : 0;
>  }
>  
> -- 
> 1.7.10
> 

                Amit



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