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Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4
From: |
Alon Levy |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support |
Date: |
Wed, 29 Jun 2011 11:21:33 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Wed, Jun 29, 2011 at 11:01:11AM +0200, Gerd Hoffmann wrote:
> Hi,
>
> >>I think it will receive them after migration, since the command ring
> >>was stored.
> >Our confusion here is because you think there is still seemless migration.
> >Unfortunately
> >it doesn't work right now, unless you plan to fix it the only form of
> >migration right
> >now is switch-host, and for that those commands will be lost, the new
> >connection will receive
> >images for each surface. If you treat the client as seemless you are
> >completely right.
>
> The spice server needs this too so it can render the surfaces
> correctly before sending the surface images to the client (or send
> the old surfaces and the commands on top of that).
>
> That is one difference between qemu migration and S3 state: For qemu
> migration it is no problem to have unprocessed commands in the
> rings, they will simply be processed once the spice server state is
> restored. When the guest driver restores the state when it comes
> back from S3 it needs the command rings to do so, thats why they
> must be flushed before entering S3 ...
You mean it needs the command rings to be empty before, since they are lost
during the reset, right?
>
> cheers,
> Gerd
>
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, (continued)
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Yonit Halperin, 2011/06/21
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Gerd Hoffmann, 2011/06/22
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Alon Levy, 2011/06/22
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Yonit Halperin, 2011/06/26
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Alon Levy, 2011/06/26
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, yhalperi, 2011/06/27
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Alon Levy, 2011/06/27
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, yhalperi, 2011/06/27
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Alon Levy, 2011/06/27
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Gerd Hoffmann, 2011/06/29
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support,
Alon Levy <=
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Gerd Hoffmann, 2011/06/29
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Alon Levy, 2011/06/29
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Yonit Halperin, 2011/06/30
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Gerd Hoffmann, 2011/06/30
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Alon Levy, 2011/06/30
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Gerd Hoffmann, 2011/06/30
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Alon Levy, 2011/06/30
- Re: [Qemu-devel] [PATCH 2/2] qxl: add QXL_IO_UPDATE_MEM for guest S3&S4 support, Gerd Hoffmann, 2011/06/30