On Fri, Nov 17, 2017 at 04:44:37AM +0800, Changpeng Liu wrote:
> Add VHOST_USER_GET_CONFIG/VHOST_USER_SET_CONFIG messages which can be
> used for live migration of vhost user devices, also vhost user devices
> can benefit from the messages to get/set virtio config space from/to the
> I/O target. Fo
On 21/11/2017 04:12, Michael S. Tsirkin wrote:
>> Fair enough, but I'd add nevertheless a 32-bit flags field to both
>> GET_CONFIG and SET_CONFIG, and document that the slave MUST check that
>> it is zero and otherwise fail.
>
> We generally just use protocol feature bits for extensions.
> But I ha
> -Original Message-
> From: Michael S. Tsirkin [mailto:m...@redhat.com]
> Sent: Tuesday, November 21, 2017 4:45 AM
> To: Stefan Hajnoczi
> Cc: Liu, Changpeng ; qemu-devel@nongnu.org;
> pbonz...@redhat.com; marcandre.lur...@redhat.com; fel...@nutanix.com;
> Harris, James R
> Subject: Re
> -Original Message-
> From: Stefan Hajnoczi [mailto:stefa...@gmail.com]
> Sent: Tuesday, November 21, 2017 12:27 AM
> To: Liu, Changpeng
> Cc: qemu-devel@nongnu.org; pbonz...@redhat.com; m...@redhat.com;
> marcandre.lur...@redhat.com; fel...@nutanix.com; Harris, James R
>
> Subject: Re
> -Original Message-
> From: Paolo Bonzini [mailto:pbonz...@redhat.com]
> Sent: Tuesday, November 21, 2017 8:16 AM
> To: Michael S. Tsirkin ; Stefan Hajnoczi
> Cc: Liu, Changpeng ; qemu-devel@nongnu.org;
> marcandre.lur...@redhat.com; fel...@nutanix.com; Harris, James R
>
> Subject: Re:
On Tue, Nov 21, 2017 at 01:16:12AM +0100, Paolo Bonzini wrote:
> On 20/11/2017 21:44, Michael S. Tsirkin wrote:
> > Live migrations is supposed to be migrating guest writeable state too.
> > If you mean migrating RO fields like size, then
> > I don't think it's a good idea to reuse SET_CONFIG for t
On 20/11/2017 21:44, Michael S. Tsirkin wrote:
> Live migrations is supposed to be migrating guest writeable state too.
> If you mean migrating RO fields like size, then
> I don't think it's a good idea to reuse SET_CONFIG for that.
> SET_CONFIG should obey exactly the virtio semantics.
>
> And I
On Mon, Nov 20, 2017 at 04:26:31PM +, Stefan Hajnoczi wrote:
> On Fri, Nov 17, 2017 at 04:44:37AM +0800, Changpeng Liu wrote:
> > Add VHOST_USER_GET_CONFIG/VHOST_USER_SET_CONFIG messages which can be
> > used for live migration of vhost user devices, also vhost user devices
> > can benefit from
On Fri, Nov 17, 2017 at 04:44:37AM +0800, Changpeng Liu wrote:
> Add VHOST_USER_GET_CONFIG/VHOST_USER_SET_CONFIG messages which can be
> used for live migration of vhost user devices, also vhost user devices
> can benefit from the messages to get/set virtio config space from/to the
> I/O target. Fo
Add VHOST_USER_GET_CONFIG/VHOST_USER_SET_CONFIG messages which can be
used for live migration of vhost user devices, also vhost user devices
can benefit from the messages to get/set virtio config space from/to the
I/O target. For the purpose to support virtio config space change,
VHOST_USER_SET_CON
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