qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH v4 1/1] Introduce "xen-load-devices-state"


From: Anthony PERARD
Subject: Re: [Qemu-devel] [PATCH v4 1/1] Introduce "xen-load-devices-state"
Date: Fri, 27 May 2016 12:18:21 +0100
User-agent: Mutt/1.6.1 (2016-04-27)

On Mon, Apr 11, 2016 at 11:56:02AM +0800, Changlong Xie wrote:
> From: Wen Congyang <address@hidden>
> 
> Introduce a "xen-load-devices-state" QAPI command that can be used to
> load the state of all devices, but not the RAM or the block devices of
> the VM.
> 
> We only have hmp commands savevm/loadvm, and qmp commands
> xen-save-devices-state.
> 
> We use this new command for COLO:
> 1. suspend both primary vm and secondary vm
> 2. sync the state
> 3. resume both primary vm and secondary vm
> 
> In such case, we need to update all devices' state in any time.
> 
> Signed-off-by: Wen Congyang <address@hidden>
> Signed-off-by: Changlong Xie <address@hidden>

This patch looks good to me.

Reviewed-by: Anthony PERARD <address@hidden>

-- 
Anthony PERARD



reply via email to

[Prev in Thread] Current Thread [Next in Thread]