From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Anthony Perard <anthony.perard@citrix.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
Subject: [Qemu-devel] Re: [PATCH 15/15] xen: Add a Xen specific ACPI Implementation to target-xen
Date: Fri, 13 Aug 2010 20:37:45 +0100 [thread overview]
Message-ID: <alpine.DEB.2.00.1008132035150.2545@kaball-desktop> (raw)
In-Reply-To: <4C6595B5.6060300@codemonkey.ws>
On Fri, 13 Aug 2010, Anthony Liguori wrote:
> On 08/12/2010 09:10 AM, stefano.stabellini@eu.citrix.com wrote:
> > From: Anthony PERARD<anthony.perard@citrix.com>
> >
> > Xen currently uses a different BIOS (hvmloader + rombios) therefore the
> > Qemu acpi_piix4 implementation wouldn't work correctly with Xen.
> > We plan on fixing this properly but at the moment we are just adding a
> > new Xen specific acpi_piix4 implementation.
> > This patch is optional; without it the VM boots but it cannot shutdown
> > properly or go to S3.
> >
>
> What's the long term plan? Will Xen adopt SeaBIOS or will you adapt
> your BIOS to cope with our ACPI implementation?
>
I think it shouldn't be too difficult to adapt our current BIOS, but
we'll need few xen specific hooks in acpi_piix4.
The price that we'll have to pay doing so is loosing live-migration
compatibility with older xen installations.
WARNING: multiple messages have this Message-ID (diff)
From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Anthony Perard <anthony.perard@citrix.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
Subject: Re: [PATCH 15/15] xen: Add a Xen specific ACPI Implementation to target-xen
Date: Fri, 13 Aug 2010 20:37:45 +0100 [thread overview]
Message-ID: <alpine.DEB.2.00.1008132035150.2545@kaball-desktop> (raw)
In-Reply-To: <4C6595B5.6060300@codemonkey.ws>
On Fri, 13 Aug 2010, Anthony Liguori wrote:
> On 08/12/2010 09:10 AM, stefano.stabellini@eu.citrix.com wrote:
> > From: Anthony PERARD<anthony.perard@citrix.com>
> >
> > Xen currently uses a different BIOS (hvmloader + rombios) therefore the
> > Qemu acpi_piix4 implementation wouldn't work correctly with Xen.
> > We plan on fixing this properly but at the moment we are just adding a
> > new Xen specific acpi_piix4 implementation.
> > This patch is optional; without it the VM boots but it cannot shutdown
> > properly or go to S3.
> >
>
> What's the long term plan? Will Xen adopt SeaBIOS or will you adapt
> your BIOS to cope with our ACPI implementation?
>
I think it shouldn't be too difficult to adapt our current BIOS, but
we'll need few xen specific hooks in acpi_piix4.
The price that we'll have to pay doing so is loosing live-migration
compatibility with older xen installations.
next prev parent reply other threads:[~2010-08-13 19:58 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-12 14:08 [Qemu-devel] [PATCH 00/15] RFC xen device model support Stefano Stabellini
2010-08-12 14:08 ` Stefano Stabellini
2010-08-12 14:09 ` [Qemu-devel] [PATCH 01/15] xen: Update libxc calls stefano.stabellini
2010-08-12 14:09 ` stefano.stabellini
2010-08-12 14:19 ` [Qemu-devel] " Paolo Bonzini
2010-08-12 14:19 ` Paolo Bonzini
2010-08-12 14:28 ` [Qemu-devel] " Stefano Stabellini
2010-08-12 14:28 ` Stefano Stabellini
2010-08-12 14:29 ` [Qemu-devel] " Stefano Stabellini
2010-08-12 14:29 ` Stefano Stabellini
2010-08-18 9:50 ` [Qemu-devel] " Gerd Hoffmann
2010-08-18 11:47 ` Stefano Stabellini
2010-08-18 11:47 ` Stefano Stabellini
2010-08-12 14:09 ` [Qemu-devel] [PATCH 02/15] xen: Add xen_machine_fv stefano.stabellini
2010-08-12 14:09 ` stefano.stabellini
2010-08-16 13:42 ` [Qemu-devel] " Kevin Wolf
2010-08-16 13:42 ` Kevin Wolf
2010-08-16 14:04 ` [Qemu-devel] " Stefano Stabellini
2010-08-16 14:13 ` Kevin Wolf
2010-08-16 14:13 ` Kevin Wolf
2010-08-16 14:38 ` [Qemu-devel] " Anthony Liguori
2010-08-16 14:38 ` Anthony Liguori
2010-08-16 14:51 ` [Qemu-devel] " Kevin Wolf
2010-08-16 14:51 ` Kevin Wolf
2010-08-16 15:00 ` [Qemu-devel] " Stefano Stabellini
2010-08-16 15:00 ` Stefano Stabellini
2010-08-16 15:07 ` [Qemu-devel] " Anthony Liguori
2010-08-16 15:07 ` Anthony Liguori
2010-08-12 14:09 ` [Qemu-devel] [PATCH 03/15] xen: Add a new target to qemu: target-xen stefano.stabellini
2010-08-12 14:09 ` stefano.stabellini
2010-08-12 18:56 ` [Qemu-devel] " Blue Swirl
2010-08-13 12:47 ` [Xen-devel] " Ian Jackson
2010-08-13 12:47 ` Ian Jackson
2010-08-13 17:35 ` [Xen-devel] " Blue Swirl
2010-08-13 17:35 ` Blue Swirl
2010-08-13 13:10 ` Stefano Stabellini
2010-08-13 17:46 ` Blue Swirl
2010-08-13 18:50 ` [Qemu-devel] " Anthony Liguori
2010-08-13 18:50 ` Anthony Liguori
2010-08-12 14:09 ` [Qemu-devel] [PATCH 04/15] xen: xen_machine_fv, initialize xenstore stefano.stabellini
2010-08-12 14:09 ` stefano.stabellini
2010-08-12 14:09 ` [Qemu-devel] [PATCH 05/15] xen: add a 8259 Interrupt Controller stefano.stabellini
2010-08-12 14:09 ` stefano.stabellini
2010-08-12 14:09 ` [Qemu-devel] [PATCH 06/15] xen: Add the Xen platform pci device stefano.stabellini
2010-08-12 14:09 ` stefano.stabellini
2010-08-12 18:26 ` [Qemu-devel] " Blue Swirl
2010-08-13 13:09 ` Stefano Stabellini
2010-08-12 14:09 ` [Qemu-devel] [PATCH 07/15] xen: handle xenstore events stefano.stabellini
2010-08-12 14:09 ` stefano.stabellini
2010-08-12 14:09 ` [Qemu-devel] [PATCH 08/15] xen: Read and write the state of the VM in xenstore stefano.stabellini
2010-08-12 14:09 ` stefano.stabellini
2010-08-13 18:53 ` [Qemu-devel] " Anthony Liguori
2010-08-13 18:53 ` Anthony Liguori
2010-08-15 14:12 ` [Qemu-devel] " Paolo Bonzini
2010-08-15 14:12 ` Paolo Bonzini
2010-08-16 11:15 ` [Qemu-devel] " Stefano Stabellini
2010-08-16 11:15 ` Stefano Stabellini
2010-08-16 12:13 ` [Qemu-devel] " Paolo Bonzini
2010-08-16 12:13 ` Paolo Bonzini
2010-08-16 12:59 ` [Qemu-devel] " Stefano Stabellini
2010-08-16 12:59 ` Stefano Stabellini
2010-08-12 14:09 ` [Qemu-devel] [PATCH 09/15] xen: Initialize event channels and io rings stefano.stabellini
2010-08-12 14:09 ` stefano.stabellini
2010-08-12 18:42 ` [Qemu-devel] " Blue Swirl
2010-08-13 13:10 ` Stefano Stabellini
2010-08-13 18:54 ` [Qemu-devel] " Anthony Liguori
2010-08-13 18:54 ` Anthony Liguori
2010-08-12 14:09 ` [Qemu-devel] [PATCH 10/15] xen: Introduce the Xen mapcache stefano.stabellini
2010-08-12 14:09 ` stefano.stabellini
2010-08-13 18:55 ` [Qemu-devel] " Anthony Liguori
2010-08-13 18:55 ` Anthony Liguori
2010-08-12 14:09 ` [Qemu-devel] [PATCH 11/15] piix3: introduce register_set_irq and register_map_irq stefano.stabellini
2010-08-12 14:09 ` stefano.stabellini
2010-08-12 18:44 ` [Qemu-devel] " Blue Swirl
2010-08-13 13:10 ` Stefano Stabellini
2010-08-12 14:09 ` [Qemu-devel] [PATCH 12/15] piix_pci: introduce a write_config notifier stefano.stabellini
2010-08-12 14:09 ` stefano.stabellini
2010-08-12 18:35 ` [Qemu-devel] " Blue Swirl
2010-08-13 13:10 ` Stefano Stabellini
2010-09-05 7:34 ` [Qemu-devel] " Michael S. Tsirkin
2010-09-05 7:34 ` Michael S. Tsirkin
2010-08-12 14:10 ` [Qemu-devel] [PATCH 13/15] vl.c: Introduce getter for shutdown_requested and reset_requested stefano.stabellini
2010-08-12 14:10 ` stefano.stabellini
2010-08-12 14:10 ` [Qemu-devel] [PATCH 14/15] xen: destroy the VM when shutdown is requested stefano.stabellini
2010-08-12 14:10 ` stefano.stabellini
2010-08-13 18:56 ` [Qemu-devel] " Anthony Liguori
2010-08-13 18:56 ` Anthony Liguori
2010-08-12 14:10 ` [Qemu-devel] [PATCH 15/15] xen: Add a Xen specific ACPI Implementation to target-xen stefano.stabellini
2010-08-12 14:10 ` stefano.stabellini
2010-08-12 18:46 ` [Qemu-devel] " Blue Swirl
2010-08-13 13:10 ` Stefano Stabellini
2010-08-13 13:10 ` Stefano Stabellini
2010-08-13 18:57 ` [Qemu-devel] " Anthony Liguori
2010-08-13 18:57 ` Anthony Liguori
2010-08-13 19:37 ` Stefano Stabellini [this message]
2010-08-13 19:37 ` Stefano Stabellini
2010-08-13 20:51 ` [Qemu-devel] " Anthony Liguori
2010-08-13 20:51 ` Anthony Liguori
2010-08-16 11:10 ` [Qemu-devel] " Stefano Stabellini
2010-08-16 11:10 ` Stefano Stabellini
2010-08-13 19:09 ` [Qemu-devel] Re: [PATCH 00/15] RFC xen device model support Anthony Liguori
2010-08-13 19:09 ` Anthony Liguori
2010-08-13 19:35 ` [Qemu-devel] " Stefano Stabellini
2010-08-13 19:35 ` Stefano Stabellini
2010-08-13 20:48 ` [Qemu-devel] " Anthony Liguori
2010-08-13 20:48 ` Anthony Liguori
2010-08-23 9:49 [Qemu-devel] [PATCH 00/15] v2: " Stefano Stabellini
2010-08-23 9:50 ` [Qemu-devel] [PATCH 15/15] xen: Add a Xen specific ACPI Implementation to target-xen stefano.stabellini
2010-08-23 11:15 ` [Qemu-devel] " Juan Quintela
2010-08-23 13:15 ` Stefano Stabellini
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