From: Eric Blake <eblake@redhat.com>
To: "Ján Tomko" <jtomko@redhat.com>, qemu-devel@nongnu.org
Cc: mst@redhat.com, aliguori@amazon.com, lcapitulino@redhat.com
Subject: Re: [Qemu-devel] [PATCH] virtio-balloon: return empty data when no stats are available
Date: Mon, 19 May 2014 09:03:58 -0600 [thread overview]
Message-ID: <537A1D5E.6060603@redhat.com> (raw)
In-Reply-To: <2d651cbdf1c629fef76704ec2d732d534bc98e35.1400481675.git.jtomko@redhat.com>
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On 05/19/2014 12:41 AM, Ján Tomko wrote:
> If the guest hasn't updated the stats yet, instead of returning
> an error, return '-1' for the stats and '0' as 'last-update'.
>
> This lets applications ignore this without parsing the error message.
>
> Related libvirt patch and discussion:
> https://www.redhat.com/archives/libvir-list/2014-May/msg00460.html
>
> Signed-off-by: Ján Tomko <jtomko@redhat.com>
> ---
> hw/virtio/virtio-balloon.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
Reviewed-by: Eric Blake <eblake@redhat.com>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2014-05-19 15:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-19 6:41 [Qemu-devel] [PATCH] virtio-balloon: return empty data when no stats are available Ján Tomko
2014-05-19 15:03 ` Eric Blake [this message]
2014-05-20 19:13 ` Luiz Capitulino
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