From: Avi Kivity <avi@redhat.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Anthony Perard <anthony.perard@citrix.com>,
Xen Devel <xen-devel@lists.xensource.com>,
Jan Kiszka <jan.kiszka@web.de>,
QEMU-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH V2 5/5] vga-cirrus: Workaround during restore when using Xen.
Date: Sun, 08 Jan 2012 12:39:15 +0200 [thread overview]
Message-ID: <4F097253.5080600@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1201061417480.3150@kaball-desktop>
On 01/06/2012 04:40 PM, Stefano Stabellini wrote:
> Avi, if you think that early_savevm is a decent solution, we'll start
> working on it.
I don't like early_savevm because it complicates life for devices, for
what is a localized problem. But if everything else is even more
complicated maybe we should do it.
> Also if you would like to save and restore all the
> MemoryRegions because you can see some possible future uses for it, please
> let me know. Otherwise we might try to save some space and just store the
> ones we need.
MemoryRegions don't hold their own state, they just mirror state that
exists elsewhere. They're 100% implementation artefacts, it's totally
wrong to save/restore them.
--
error compiling committee.c: too many arguments to function
WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi@redhat.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Anthony Perard <anthony.perard@citrix.com>,
Xen Devel <xen-devel@lists.xensource.com>,
Jan Kiszka <jan.kiszka@web.de>,
QEMU-devel <qemu-devel@nongnu.org>
Subject: Re: [PATCH V2 5/5] vga-cirrus: Workaround during restore when using Xen.
Date: Sun, 08 Jan 2012 12:39:15 +0200 [thread overview]
Message-ID: <4F097253.5080600@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1201061417480.3150@kaball-desktop>
On 01/06/2012 04:40 PM, Stefano Stabellini wrote:
> Avi, if you think that early_savevm is a decent solution, we'll start
> working on it.
I don't like early_savevm because it complicates life for devices, for
what is a localized problem. But if everything else is even more
complicated maybe we should do it.
> Also if you would like to save and restore all the
> MemoryRegions because you can see some possible future uses for it, please
> let me know. Otherwise we might try to save some space and just store the
> ones we need.
MemoryRegions don't hold their own state, they just mirror state that
exists elsewhere. They're 100% implementation artefacts, it's totally
wrong to save/restore them.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2012-01-08 10:39 UTC|newest]
Thread overview: 107+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-09 21:54 [Qemu-devel] [PATCH V2 0/5] Have a working migration with Xen Anthony PERARD
2011-12-09 21:54 ` Anthony PERARD
2011-12-09 21:54 ` [Qemu-devel] [PATCH V2 1/5] vl.c: Do not save RAM state when Xen is used Anthony PERARD
2011-12-09 21:54 ` Anthony PERARD
2011-12-15 15:12 ` [Qemu-devel] " Anthony Liguori
2011-12-15 15:12 ` Anthony Liguori
2011-12-18 17:44 ` [Qemu-devel] " Avi Kivity
2011-12-18 17:44 ` Avi Kivity
2011-12-20 16:46 ` [Qemu-devel] " Anthony PERARD
2011-12-20 16:46 ` Anthony PERARD
2011-12-09 21:54 ` [Qemu-devel] [PATCH V2 2/5] xen mapcache: Check if a memory space has moved Anthony PERARD
2011-12-09 21:54 ` Anthony PERARD
2011-12-12 12:53 ` [Qemu-devel] " Stefano Stabellini
2011-12-12 12:53 ` Stefano Stabellini
2011-12-09 21:54 ` [Qemu-devel] [PATCH V2 3/5] Introduce premigrate RunState Anthony PERARD
2011-12-09 21:54 ` Anthony PERARD
2011-12-15 15:14 ` [Qemu-devel] " Anthony Liguori
2011-12-15 15:14 ` Anthony Liguori
2011-12-15 16:31 ` [Qemu-devel] " Luiz Capitulino
2011-12-15 16:31 ` Luiz Capitulino
2011-12-19 17:27 ` [Qemu-devel] " Anthony PERARD
2011-12-19 17:27 ` Anthony PERARD
2012-01-03 19:05 ` [Qemu-devel] " Luiz Capitulino
2012-01-03 19:05 ` Luiz Capitulino
2012-01-05 12:26 ` [Qemu-devel] " Anthony PERARD
2012-01-05 12:26 ` Anthony PERARD
2011-12-09 21:54 ` [Qemu-devel] [PATCH V2 4/5] xen: Change memory access behavior during migration Anthony PERARD
2011-12-09 21:54 ` Anthony PERARD
2011-12-12 12:55 ` [Qemu-devel] " Stefano Stabellini
2011-12-12 12:55 ` Stefano Stabellini
2011-12-09 21:54 ` [Qemu-devel] [PATCH V2 5/5] vga-cirrus: Workaround during restore when using Xen Anthony PERARD
2011-12-09 21:54 ` Anthony PERARD
2011-12-10 10:45 ` [Qemu-devel] " Jan Kiszka
2011-12-10 10:45 ` Jan Kiszka
2011-12-12 13:18 ` [Qemu-devel] " Stefano Stabellini
2011-12-12 13:18 ` Stefano Stabellini
2011-12-12 14:03 ` [Qemu-devel] " Jan Kiszka
2011-12-12 14:03 ` Jan Kiszka
2011-12-12 14:41 ` [Qemu-devel] " Stefano Stabellini
2011-12-12 14:41 ` Stefano Stabellini
2011-12-12 15:03 ` [Qemu-devel] " Jan Kiszka
2011-12-12 15:03 ` Jan Kiszka
2011-12-12 15:32 ` [Qemu-devel] " Stefano Stabellini
2011-12-12 15:32 ` Stefano Stabellini
2011-12-13 11:55 ` [Qemu-devel] early_savevm (was: [PATCH V2 5/5] vga-cirrus: Workaround during restore when using Xen.) Stefano Stabellini
2011-12-13 11:55 ` Stefano Stabellini
2011-12-13 12:35 ` [Qemu-devel] early_savevm Jan Kiszka
2011-12-13 12:35 ` early_savevm Jan Kiszka
2011-12-13 13:59 ` [Qemu-devel] early_savevm Stefano Stabellini
2011-12-13 13:59 ` early_savevm Stefano Stabellini
2011-12-18 17:43 ` [Qemu-devel] early_savevm Avi Kivity
2011-12-18 17:43 ` early_savevm Avi Kivity
2012-01-11 17:55 ` [Qemu-devel] early_savevm Anthony Liguori
2011-12-18 17:41 ` [Qemu-devel] [PATCH V2 5/5] vga-cirrus: Workaround during restore when using Xen Avi Kivity
2011-12-18 17:41 ` Avi Kivity
2012-01-04 16:38 ` [Qemu-devel] " Stefano Stabellini
2012-01-04 16:38 ` Stefano Stabellini
2012-01-04 17:23 ` [Qemu-devel] " Avi Kivity
2012-01-04 17:23 ` Avi Kivity
2012-01-05 12:30 ` [Qemu-devel] " Stefano Stabellini
2012-01-05 12:30 ` Stefano Stabellini
2012-01-05 12:50 ` [Qemu-devel] " Avi Kivity
2012-01-05 12:50 ` Avi Kivity
2012-01-05 13:17 ` [Qemu-devel] " Stefano Stabellini
2012-01-05 13:17 ` Stefano Stabellini
2012-01-05 13:32 ` [Qemu-devel] " Avi Kivity
2012-01-05 13:32 ` Avi Kivity
2012-01-05 14:34 ` [Qemu-devel] " Stefano Stabellini
2012-01-05 14:34 ` Stefano Stabellini
2012-01-05 15:19 ` [Qemu-devel] " Avi Kivity
2012-01-05 15:19 ` Avi Kivity
2012-01-05 15:53 ` [Qemu-devel] " Stefano Stabellini
2012-01-05 15:53 ` Stefano Stabellini
2012-01-05 16:33 ` [Qemu-devel] " Avi Kivity
2012-01-05 16:33 ` Avi Kivity
2012-01-05 17:21 ` [Qemu-devel] " Stefano Stabellini
2012-01-05 17:21 ` Stefano Stabellini
2012-01-05 17:50 ` [Qemu-devel] " Avi Kivity
2012-01-05 17:50 ` Avi Kivity
2012-01-05 18:49 ` [Qemu-devel] " Jan Kiszka
2012-01-05 18:49 ` Jan Kiszka
2012-01-06 10:50 ` [Qemu-devel] " Stefano Stabellini
2012-01-06 10:50 ` Stefano Stabellini
2012-01-06 13:30 ` [Qemu-devel] " Jan Kiszka
2012-01-06 13:30 ` Jan Kiszka
2012-01-06 14:40 ` [Qemu-devel] " Stefano Stabellini
2012-01-06 14:40 ` Stefano Stabellini
2012-01-08 10:39 ` Avi Kivity [this message]
2012-01-08 10:39 ` Avi Kivity
2012-01-09 15:25 ` [Qemu-devel] " Stefano Stabellini
2012-01-09 15:25 ` Stefano Stabellini
2012-01-09 15:28 ` [Qemu-devel] " Jan Kiszka
2012-01-09 15:28 ` Jan Kiszka
2012-01-09 15:36 ` [Qemu-devel] " Avi Kivity
2012-01-09 15:36 ` Avi Kivity
2012-01-06 15:58 ` [Qemu-devel] " Peter Maydell
2012-01-06 15:58 ` Peter Maydell
2012-01-06 16:50 ` [Qemu-devel] " Jan Kiszka
2012-01-06 16:50 ` Jan Kiszka
2012-01-06 12:19 ` [Qemu-devel] " Avi Kivity
2012-01-06 12:19 ` Avi Kivity
2012-01-06 12:22 ` [Qemu-devel] " Jan Kiszka
2012-01-06 12:22 ` Jan Kiszka
2012-01-06 12:47 ` [Qemu-devel] " Avi Kivity
2012-01-06 12:47 ` Avi Kivity
2011-12-12 12:58 ` [Qemu-devel] " Stefano Stabellini
2011-12-12 12:58 ` Stefano Stabellini
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