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Re: [Qemu-block] [PATCH v2 for-2.6 3/5] virtio: Mark host notifiers as e


From: Michael S. Tsirkin
Subject: Re: [Qemu-block] [PATCH v2 for-2.6 3/5] virtio: Mark host notifiers as external
Date: Fri, 22 Apr 2016 16:44:20 +0300

On Fri, Apr 22, 2016 at 06:56:02PM +0800, Fam Zheng wrote:
> The effect of this change is the block layer drained section can work,
> for example when mirror job is being completed.
> 
> Signed-off-by: Fam Zheng <address@hidden>

Reviewed-by: Michael S. Tsirkin <address@hidden>


> ---
>  hw/virtio/virtio.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> index fffa09f..30ede3d 100644
> --- a/hw/virtio/virtio.c
> +++ b/hw/virtio/virtio.c
> @@ -1829,10 +1829,10 @@ void 
> virtio_queue_set_host_notifier_fd_handler(VirtQueue *vq, bool assign,
>                                                 bool set_handler)
>  {
>      if (assign && set_handler) {
> -        event_notifier_set_handler(&vq->host_notifier, false,
> +        event_notifier_set_handler(&vq->host_notifier, true,
>                                     virtio_queue_host_notifier_read);
>      } else {
> -        event_notifier_set_handler(&vq->host_notifier, false, NULL);
> +        event_notifier_set_handler(&vq->host_notifier, true, NULL);
>      }
>      if (!assign) {
>          /* Test and clear notifier before after disabling event,
> -- 
> 2.8.0



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