From: "Chen, Tiejun" <tiejun.chen@intel.com>
To: "Michael S. Tsirkin" <mst@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>
Cc: allen.m.kay@intel.com, qemu-devel@nongnu.org,
aliguori@amazon.com, yang.z.zhang@intel.com, pbonzini@redhat.com,
rth@twiddle.net
Subject: Re: [Qemu-devel] [v6][PATCH 07/10] xen, gfx passthrough: register a isa bridge
Date: Tue, 20 Jan 2015 10:46:54 +0800 [thread overview]
Message-ID: <54BDC19E.9030306@intel.com> (raw)
In-Reply-To: <20150119135840.GA2527@redhat.com>
On 2015/1/19 21:58, Michael S. Tsirkin wrote:
> On Mon, Jan 19, 2015 at 12:57:18PM +0100, Gerd Hoffmann wrote:
>> On Mo, 2015-01-19 at 17:28 +0800, Tiejun Chen wrote:
>>> Currently IGD drivers always need to access PCH by 1f.0. But we
>>
>> Obvious question: q35?
>>
>> q35 already has a isa bridge @ 0x1f.0. Guess that needs to be extended
>> for the pass-through then (simliar to the host bridge) instead of adding
>> a dummy bridge.
>>
>> Also: again xen naming here.
>>
>> cheers,
>> Gerd
>
> This hack probably doesn't have a chance to work well for q35
> due to the above conflict.
Yeah, and I remember as we discussed previously, something else also
conflict with Xen and Windows currently so Xen doesn't intend to go Q35.
Thanks
Tiejun
> Happily future cards won't need it.
>
next prev parent reply other threads:[~2015-01-20 2:47 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-19 9:28 [Qemu-devel] [v6][PATCH 00/10] xen: add Intel IGD passthrough support Tiejun Chen
2015-01-19 9:28 ` [Qemu-devel] [v6][PATCH 01/10] i440fx: make types configurable at run-time Tiejun Chen
2015-01-19 11:36 ` Gerd Hoffmann
2015-01-20 2:48 ` Chen, Tiejun
2015-01-20 8:25 ` Gerd Hoffmann
2015-01-20 8:32 ` Jike Song
2015-01-20 5:08 ` Chen, Tiejun
2015-01-19 9:28 ` [Qemu-devel] [v6][PATCH 02/10] pc_init1: pass parameters just with types Tiejun Chen
2015-01-19 9:28 ` [Qemu-devel] [v6][PATCH 03/10] piix: create host bridge to passthrough Tiejun Chen
2015-01-19 11:40 ` Gerd Hoffmann
2015-01-20 2:52 ` Chen, Tiejun
2015-01-20 4:28 ` Jike Song
2015-01-20 4:56 ` Chen, Tiejun
2015-01-19 9:28 ` [Qemu-devel] [v6][PATCH 04/10] hw/pci-assign: split pci-assign.c Tiejun Chen
2015-01-19 9:28 ` [Qemu-devel] [v6][PATCH 05/10] xen, gfx passthrough: basic graphics passthrough support Tiejun Chen
2015-01-19 11:45 ` Gerd Hoffmann
2015-01-20 3:14 ` Chen, Tiejun
2015-01-20 8:14 ` Gerd Hoffmann
2015-01-21 7:04 ` Chen, Tiejun
2015-01-19 9:28 ` [Qemu-devel] [v6][PATCH 06/10] xen, gfx passthrough: retrieve VGA BIOS to work Tiejun Chen
2015-01-19 9:28 ` [Qemu-devel] [v6][PATCH 07/10] xen, gfx passthrough: register a isa bridge Tiejun Chen
2015-01-19 11:57 ` Gerd Hoffmann
2015-01-19 13:58 ` Michael S. Tsirkin
2015-01-20 2:46 ` Chen, Tiejun [this message]
2015-01-20 10:46 ` Michael S. Tsirkin
2015-01-21 0:41 ` Chen, Tiejun
2015-01-20 11:03 ` Michael S. Tsirkin
2015-01-21 0:46 ` Chen, Tiejun
2015-01-19 9:28 ` [Qemu-devel] [v6][PATCH 08/10] xen, gfx passthrough: support Intel IGD passthrough with VT-D Tiejun Chen
2015-01-20 10:58 ` Michael S. Tsirkin
2015-01-21 3:16 ` Chen, Tiejun
2015-01-22 2:21 ` Kay, Allen M
2015-01-19 9:28 ` [Qemu-devel] [v6][PATCH 09/10] xen, gfx passthrough: register host bridge specific to passthrough Tiejun Chen
2015-01-19 9:28 ` [Qemu-devel] [v6][PATCH 10/10] xen, gfx passthrough: add opregion mapping Tiejun Chen
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