From: Ross Philipson <ross.philipson@citrix.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: "peter.maydell@linaro.org" <peter.maydell@linaro.org>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
"Allen M. Kay" <allen.m.kay@intel.com>,
"Kelly.Zytaruk@amd.com" <Kelly.Zytaruk@amd.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Anthony Perard <anthony.perard@citrix.com>,
Stefano Stabellini <Stefano.Stabellini@citrix.com>,
"anthony@codemonkey.ws" <anthony@codemonkey.ws>,
"Chen, Tiejun" <tiejun.chen@intel.com>,
"yang.z.zhang@intel.com" <yang.z.zhang@intel.com>,
Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [Xen-devel] [v5][PATCH 0/5] xen: add Intel IGD passthrough support
Date: Tue, 1 Jul 2014 15:29:03 -0400 [thread overview]
Message-ID: <53B30BFF.4020702@citrix.com> (raw)
In-Reply-To: <20140701180625.GC7640@redhat.com>
On 07/01/2014 02:06 PM, Michael S. Tsirkin wrote:
> On Tue, Jul 01, 2014 at 01:39:04PM -0400, Ross Philipson wrote:
[snip]
>
> What class does your ISA bridge device have?
#define PCI_CLASS_BRIDGE_ISA 0x0601
>
>>>
>>>> Also I don't like the idea of tying Tiejun's patch series, that covers a
>>>> very narrow use case, to something as important and general purpose as
>>>> upgrading chipset.
>>>
>>> If it's true that implementing igd passthrough on top of q35 is much
>>> cleaner architecturally, then I don't see why we should merge a stop-gap
>>> solution that we'll need to then support indefinitely.
>>>
>>> We are talking about upstreaming functionality that xen already has, right?
>>> So there's no time to market concern, whoever wants a solution today
>>> has it. Why not do it in the cleanest possible way?
>>>
>>
>>
>> --
>> Ross Philipson
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2014.0.4592 / Virus Database: 3986/7769 - Release Date: 06/30/14
>
--
Ross Philipson
next prev parent reply other threads:[~2014-07-01 19:30 UTC|newest]
Thread overview: 169+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-25 2:17 [Qemu-devel] [v5][PATCH 0/5] xen: add Intel IGD passthrough support Tiejun Chen
2014-06-25 2:17 ` [Qemu-devel] [v5][PATCH 1/5] xen, gfx passthrough: basic graphics " Tiejun Chen
2014-06-25 6:21 ` Paolo Bonzini
2014-06-25 7:48 ` Chen, Tiejun
2014-06-25 6:35 ` Michael S. Tsirkin
2014-06-25 9:06 ` Chen, Tiejun
2014-06-25 9:16 ` Michael S. Tsirkin
2014-06-25 2:17 ` [Qemu-devel] [v5][PATCH 2/5] xen, gfx passthrough: create pseudo intel isa bridge Tiejun Chen
2014-06-25 6:22 ` Paolo Bonzini
2014-06-25 7:51 ` Chen, Tiejun
2014-06-25 6:45 ` Michael S. Tsirkin
2014-06-25 8:10 ` Chen, Tiejun
2014-06-25 8:28 ` Michael S. Tsirkin
2014-06-25 8:39 ` Chen, Tiejun
2014-06-25 8:43 ` Michael S. Tsirkin
2014-06-25 8:48 ` Chen, Tiejun
2014-06-25 9:04 ` Michael S. Tsirkin
2014-06-25 9:14 ` Chen, Tiejun
2014-06-25 9:21 ` Michael S. Tsirkin
2014-06-25 9:28 ` Chen, Tiejun
2014-06-25 9:44 ` Michael S. Tsirkin
2014-06-25 9:58 ` Chen, Tiejun
2014-06-27 7:22 ` Chen, Tiejun
2014-06-30 19:34 ` Stefano Stabellini
2014-07-01 2:21 ` Chen, Tiejun
2014-07-01 5:47 ` Michael S. Tsirkin
2014-07-01 9:50 ` Chen, Tiejun
2014-07-01 12:34 ` Michael S. Tsirkin
2014-07-01 16:51 ` Stefano Stabellini
2014-06-25 2:17 ` [Qemu-devel] [v5][PATCH 3/5] xen, gfx passthrough: support Intel IGD passthrough with VT-D Tiejun Chen
2014-06-25 6:25 ` Paolo Bonzini
2014-06-25 7:54 ` Chen, Tiejun
2014-06-25 7:04 ` Michael S. Tsirkin
2014-06-27 9:16 ` Chen, Tiejun
2014-06-25 14:05 ` Michael S. Tsirkin
2014-06-26 5:34 ` Chen, Tiejun
2014-06-26 6:04 ` Michael S. Tsirkin
2014-06-26 8:26 ` Chen, Tiejun
2014-06-25 2:17 ` [Qemu-devel] [v5][PATCH 4/5] xen, gfx passthrough: create host bridge to passthrough Tiejun Chen
2014-06-25 6:24 ` Paolo Bonzini
2014-06-27 8:34 ` Chen, Tiejun
2014-06-27 11:26 ` Paolo Bonzini
2014-06-29 7:56 ` Chen, Tiejun
2014-06-29 12:14 ` Michael S. Tsirkin
2014-06-30 2:52 ` Chen, Tiejun
2014-06-30 19:42 ` Stefano Stabellini
2014-07-01 2:19 ` Chen, Tiejun
2014-07-01 16:49 ` Stefano Stabellini
2014-07-01 18:34 ` Michael S. Tsirkin
2014-07-01 18:45 ` Michael S. Tsirkin
2014-06-25 2:17 ` [Qemu-devel] [v5][PATCH 5/5] xen, gfx passthrough: add opregion mapping Tiejun Chen
2014-06-25 7:13 ` Michael S. Tsirkin
2014-06-27 9:22 ` Chen, Tiejun
2014-06-29 11:43 ` Michael S. Tsirkin
2014-06-30 0:57 ` Chen, Tiejun
2014-06-25 6:19 ` [Qemu-devel] [v5][PATCH 0/5] xen: add Intel IGD passthrough support Paolo Bonzini
2014-06-25 7:15 ` Michael S. Tsirkin
2014-06-25 7:56 ` Paolo Bonzini
2014-06-25 7:35 ` Chen, Tiejun
2014-06-25 7:40 ` Michael S. Tsirkin
2014-06-25 7:44 ` Paolo Bonzini
2014-06-25 8:31 ` Michael S. Tsirkin
2014-06-25 8:39 ` Paolo Bonzini
2014-06-25 8:48 ` Michael S. Tsirkin
2014-06-25 8:55 ` Chen, Tiejun
2014-06-25 9:09 ` Michael S. Tsirkin
2014-06-25 9:21 ` Chen, Tiejun
2014-06-25 9:31 ` Paolo Bonzini
2014-06-25 9:50 ` Chen, Tiejun
2014-06-25 9:54 ` Paolo Bonzini
2014-06-25 10:00 ` Michael S. Tsirkin
2014-06-26 9:18 ` Chen, Tiejun
2014-06-26 10:03 ` Paolo Bonzini
2014-06-26 11:26 ` Michael S. Tsirkin
2014-06-26 11:30 ` Paolo Bonzini
2014-06-26 11:36 ` Michael S. Tsirkin
2014-06-26 13:30 ` Paolo Bonzini
2014-06-26 15:40 ` Michael S. Tsirkin
2014-06-30 2:51 ` Chen, Tiejun
2014-06-30 6:48 ` Michael S. Tsirkin
2014-06-30 7:24 ` Chen, Tiejun
2014-06-30 9:05 ` Michael S. Tsirkin
2014-06-30 9:38 ` Chen, Tiejun
2014-06-30 9:55 ` Michael S. Tsirkin
2014-06-30 10:20 ` [Qemu-devel] [Xen-devel] " Chen, Tiejun
2014-06-30 11:18 ` Paolo Bonzini
2014-06-30 11:31 ` Michael S. Tsirkin
2014-06-30 11:28 ` Michael S. Tsirkin
2014-07-01 2:40 ` Chen, Tiejun
2014-07-01 9:12 ` Michael S. Tsirkin
2014-07-01 9:46 ` Chen, Tiejun
2014-07-01 12:33 ` Michael S. Tsirkin
2014-07-02 0:59 ` Chen, Tiejun
2014-07-02 6:22 ` Michael S. Tsirkin
2014-07-02 8:45 ` Chen, Tiejun
2014-06-30 19:22 ` [Qemu-devel] " Stefano Stabellini
2014-06-30 19:31 ` [Qemu-devel] [Xen-devel] " Ross Philipson
2014-07-01 2:24 ` Chen, Tiejun
2014-07-01 5:39 ` Michael S. Tsirkin
2014-07-01 16:47 ` Stefano Stabellini
2014-07-01 17:02 ` Michael S. Tsirkin
2014-07-01 17:39 ` Ross Philipson
2014-07-01 18:06 ` Michael S. Tsirkin
2014-07-01 19:29 ` Ross Philipson [this message]
2014-07-02 6:11 ` Michael S. Tsirkin
2014-07-02 7:56 ` Chen, Tiejun
2014-07-02 11:33 ` Paolo Bonzini
2014-07-02 14:00 ` Konrad Rzeszutek Wilk
2014-07-02 14:07 ` Stefano Stabellini
2014-07-03 3:00 ` Chen, Tiejun
2014-07-03 18:25 ` Konrad Rzeszutek Wilk
2014-07-02 14:08 ` Michael S. Tsirkin
2014-07-02 16:05 ` Konrad Rzeszutek Wilk
2014-07-02 17:58 ` Michael S. Tsirkin
2014-07-02 14:50 ` [Qemu-devel] ResettRe: " Paolo Bonzini
2014-07-02 15:12 ` Michael S. Tsirkin
2014-07-02 19:33 ` Alex Williamson
2014-07-02 16:23 ` Konrad Rzeszutek Wilk
2014-07-02 16:27 ` Paolo Bonzini
2014-07-02 16:53 ` Michael S. Tsirkin
2014-07-03 7:32 ` Michael S. Tsirkin
2014-07-03 18:26 ` Konrad Rzeszutek Wilk
2014-07-03 19:09 ` [Qemu-devel] [Intel-gfx] " Jesse Barnes
2014-07-03 20:27 ` Michael S. Tsirkin
2014-07-16 14:20 ` Konrad Rzeszutek Wilk
2014-07-17 9:42 ` Chen, Tiejun
2014-07-17 17:37 ` Kay, Allen M
2014-07-18 13:44 ` Konrad Rzeszutek Wilk
2014-07-19 0:27 ` Kay, Allen M
2014-07-23 20:54 ` Konrad Rzeszutek Wilk
2014-07-24 1:44 ` Chen, Tiejun
2014-07-25 17:01 ` Konrad Rzeszutek Wilk
2014-07-29 6:59 ` Chen, Tiejun
2014-07-29 8:32 ` Paolo Bonzini
2014-07-29 9:14 ` Chen, Tiejun
2014-07-04 6:28 ` [Qemu-devel] " Paolo Bonzini
2014-07-06 6:08 ` Michael S. Tsirkin
2014-07-02 15:15 ` [Qemu-devel] " Ross Philipson
2014-07-02 15:27 ` Michael S. Tsirkin
2014-07-02 16:29 ` Paolo Bonzini
2014-07-02 16:45 ` Konrad Rzeszutek Wilk
2014-07-02 18:00 ` Michael S. Tsirkin
2014-07-03 5:57 ` Chen, Tiejun
2014-07-03 6:40 ` Michael S. Tsirkin
2014-07-01 18:20 ` Stefano Stabellini
2014-07-01 18:38 ` Michael S. Tsirkin
2014-07-02 1:37 ` Chen, Tiejun
2014-07-02 6:09 ` Michael S. Tsirkin
2014-07-02 7:51 ` Chen, Tiejun
2014-06-25 9:55 ` [Qemu-devel] " Michael S. Tsirkin
2014-06-25 9:59 ` Paolo Bonzini
2014-06-25 10:06 ` Chen, Tiejun
2014-06-25 10:21 ` Michael S. Tsirkin
2014-06-25 10:28 ` Chen, Tiejun
2014-06-25 10:32 ` Michael S. Tsirkin
2014-06-25 10:37 ` Chen, Tiejun
2014-06-25 10:55 ` Michael S. Tsirkin
2014-06-25 12:11 ` Paolo Bonzini
2014-06-25 13:47 ` Michael S. Tsirkin
2014-06-25 13:53 ` Paolo Bonzini
2014-06-25 14:10 ` Michael S. Tsirkin
2014-06-25 14:16 ` Paolo Bonzini
2014-06-25 14:26 ` Michael S. Tsirkin
2014-06-25 10:09 ` Michael S. Tsirkin
2014-06-25 10:14 ` Paolo Bonzini
2014-06-25 10:15 ` Chen, Tiejun
2014-06-25 10:28 ` Michael S. Tsirkin
2014-06-25 9:43 ` Michael S. Tsirkin
2014-07-08 10:45 ` [Qemu-devel] [Xen-devel] " Andrew Barnes
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