From: Anthony Liguori <anthony@codemonkey.ws>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: john cooper <john.cooper@third-harmonic.com>,
john cooper <john.cooper@redhat.com>,
Rusty Russell <rusty@rustcorp.com.au>,
qemu-devel@nongnu.org, Avi Kivity <avi@redhat.com>,
jens.axboe@oracle.com, Vadim Rozenfeld <vrozenfe@redhat.com>
Subject: [Qemu-devel] Re: [PATCH 0/2] fix virtio_blk serial pci config breakage
Date: Tue, 29 Sep 2009 09:14:56 -0500 [thread overview]
Message-ID: <4AC21660.6020304@codemonkey.ws> (raw)
In-Reply-To: <20090929140601.GA28733@redhat.com>
Michael S. Tsirkin wrote:
> I don't think it's such a good idea. We want to keep exposing most of
> config space in i/o bar because of backwards compatibility. And we want
> to keep datapath operations such as vq kicks, in i/o space.
>
We can do feature negotiation in virtio-pci. That lets us continue
exposing the first 246 bytes of the config space in PIO and guests can
negotiate a second bar for access to larger config spaces.
Regards,
Anthony Liguori
next prev parent reply other threads:[~2009-09-29 16:59 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-07 18:14 [Qemu-devel] [PATCH] qemu: make virtio-blk PCI compliant by default Michael S. Tsirkin
2009-09-08 7:40 ` [Qemu-devel] " john cooper
2009-09-08 7:58 ` Michael S. Tsirkin
2009-09-21 11:09 ` Rusty Russell
2009-09-21 15:47 ` john cooper
2009-09-22 9:30 ` Avi Kivity
2009-09-22 14:21 ` john cooper
2009-09-22 14:27 ` Avi Kivity
2009-09-22 14:41 ` Michael S. Tsirkin
2009-09-22 14:45 ` Avi Kivity
2009-09-22 15:09 ` john cooper
2009-09-23 1:59 ` Anthony Liguori
2009-09-23 4:56 ` john cooper
2009-09-29 6:09 ` [Qemu-devel] [PATCH 0/2] fix virtio_blk serial pci config breakage john cooper
2009-09-29 6:58 ` [Qemu-devel] " Michael S. Tsirkin
2009-09-29 7:22 ` Avi Kivity
2009-09-29 8:54 ` Michael S. Tsirkin
2009-09-29 9:16 ` Avi Kivity
2009-09-29 13:55 ` Anthony Liguori
2009-09-29 14:06 ` Michael S. Tsirkin
2009-09-29 14:14 ` Anthony Liguori [this message]
2009-09-29 16:24 ` Avi Kivity
2009-09-29 16:30 ` Michael S. Tsirkin
2009-09-29 17:26 ` Anthony Liguori
2009-09-29 17:31 ` Michael S. Tsirkin
2009-09-29 17:28 ` Rusty Russell
2009-09-29 17:31 ` Anthony Liguori
2009-09-30 1:12 ` Rusty Russell
2009-09-30 1:22 ` Jamie Lokier
2009-10-05 15:44 ` john cooper
2009-09-29 18:44 ` john cooper
2009-09-29 20:55 ` Anthony Liguori
2009-09-30 1:19 ` Rusty Russell
2009-09-30 2:17 ` Anthony Liguori
2009-09-30 12:00 ` Rusty Russell
2009-09-30 18:04 ` Jamie Lokier
2009-10-05 15:41 ` john cooper
2009-09-30 11:47 ` Paul Brook
2009-10-05 15:40 ` john cooper
2009-09-29 13:51 ` Anthony Liguori
2009-09-29 16:22 ` Avi Kivity
2009-09-29 17:24 ` Anthony Liguori
2009-09-29 6:09 ` [Qemu-devel] [PATCH 1/2] " john cooper
2009-09-29 9:01 ` [Qemu-devel] " Michael S. Tsirkin
2009-10-05 15:47 ` [Qemu-devel] [PATCH] fix virtio_blk serial pci config breakage, v2 john cooper
2009-10-05 19:54 ` [Qemu-devel] " Michael S. Tsirkin
2009-10-07 5:49 ` john cooper
2009-10-07 13:48 ` Anthony Liguori
2009-10-07 13:52 ` Michael S. Tsirkin
2009-10-07 13:55 ` Anthony Liguori
2009-10-07 15:38 ` john cooper
2009-10-05 20:15 ` Michael S. Tsirkin
2009-10-06 14:23 ` Anthony Liguori
2009-09-29 6:10 ` [Qemu-devel] [PATCH 2/2] fix virtio_blk serial pci config breakage john cooper
2009-09-29 6:57 ` [Qemu-devel] " Michael S. Tsirkin
2009-09-29 17:14 ` Rusty Russell
2009-09-14 11:39 ` [Qemu-devel] Re: [PATCH] qemu: make virtio-blk PCI compliant by default Michael S. Tsirkin
2009-09-15 7:29 ` john cooper
2009-09-22 5:06 ` Rusty Russell
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