From: Gerd Hoffmann <kraxel@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [PATCHv4 2/2] virtio: add features as qdev properties
Date: Mon, 04 Jan 2010 15:24:18 +0100 [thread overview]
Message-ID: <4B41FA12.9040806@redhat.com> (raw)
In-Reply-To: <20091224124427.GC31553@redhat.com>
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
next prev parent reply other threads:[~2010-01-04 14:24 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 ` Gerd Hoffmann [this message]
2010-01-04 15:38 ` [Qemu-devel] Re: [PATCHv4 2/2] virtio: add features as qdev properties Michael S. Tsirkin
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