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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
- Re: [Qemu-devel] [PATCH v4 1/1] Introduce "xen-load-devices-state",
Anthony PERARD <=