From: "Michael S. Tsirkin" <mst@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [PATCHv4 2/2] virtio: add features as qdev properties
Date: Mon, 4 Jan 2010 17:38:19 +0200 [thread overview]
Message-ID: <20100104153819.GA13813@redhat.com> (raw)
In-Reply-To: <4B41FA12.9040806@redhat.com>
On Mon, Jan 04, 2010 at 03:24:18PM +0100, Gerd Hoffmann wrote:
> On 12/24/09 13:44, Michael S. Tsirkin wrote:
>> Add feature bits as properties to virtio. This makes it possible to e.g. define
>> machine without indirect buffer support, which is required for 0.10
>> compatibility, or without hardware checksum support, which is required for 0.11
>> compatibility. Since default values for optional features are now set by qdev,
>> get_features callback has been modified: it sets non-optional bits, and clears
>> bits not supported by host.
>
> I guess you'll need a bunch of entries for pc-0.10 and pc-0.11 to switch
> the virtio devices into the correct compatibility modes? Should
> probably go as patch #3 of this series.
>
> cheers,
> Gerd
Yes, but this will be done separately, after these are applied.
--
MST
prev parent reply other threads:[~2010-01-04 15:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1261657570.git.mst@redhat.com>
[not found] ` <20091224124358.GB31553@redhat.com>
2010-01-04 14:22 ` [Qemu-devel] Re: [PATCHv4 1/2] qdev: add bit property type Gerd Hoffmann
2010-01-04 15:38 ` Michael S. Tsirkin
[not found] ` <20091224124427.GC31553@redhat.com>
2010-01-04 14:24 ` [Qemu-devel] Re: [PATCHv4 2/2] virtio: add features as qdev properties Gerd Hoffmann
2010-01-04 15:38 ` Michael S. Tsirkin [this message]
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