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From: Cornelia Huck <cornelia.huck@de.ibm.com>
To: Jason Wang <jasowang@redhat.com>
Cc: mst@redhat.com, qemu-devel@nongnu.org,
	Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [PATCH V3 1/3] virtio: guard against NULL pfn
Date: Tue, 14 Mar 2017 10:22:06 +0100	[thread overview]
Message-ID: <20170314102206.00df412f.cornelia.huck@de.ibm.com> (raw)
In-Reply-To: <1489460502-6686-2-git-send-email-jasowang@redhat.com>

On Tue, 14 Mar 2017 11:01:40 +0800
Jason Wang <jasowang@redhat.com> wrote:

> To avoid access stale memory region cache after reset, this patch
> check the existence of virtqueue pfn for all exported virtqueue access
> helpers before trying to use them.
> 
> Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Signed-off-by: Jason Wang <jasowang@redhat.com>
> ---
> Changes from V2:
> - return 1 instead of 0 for virtio_queue_empty_*(), and return as
>   early as possible
> ---
>  hw/virtio/virtio.c | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>

  reply	other threads:[~2017-03-14  9:22 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-14  3:01 [Qemu-devel] [PATCH V3 0/3] Several fixes for virito region caches Jason Wang
2017-03-14  3:01 ` [Qemu-devel] [PATCH V3 1/3] virtio: guard against NULL pfn Jason Wang
2017-03-14  9:22   ` Cornelia Huck [this message]
2017-03-14  3:01 ` [Qemu-devel] [PATCH V3 2/3] virtio: destroy region cache during reset Jason Wang
2017-03-14  9:29   ` Cornelia Huck
2017-03-15  2:14     ` Jason Wang
2017-03-15  3:17       ` Michael S. Tsirkin
2017-03-14  3:01 ` [Qemu-devel] [PATCH V3 3/3] virtio: validate address space cache during init Jason Wang
2017-03-14  8:35 ` [Qemu-devel] [PATCH V3 0/3] Several fixes for virito region caches Zhang Chen
2017-03-15  2:13   ` Jason Wang

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