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Date: Wed, 20 Feb 2019 08:46:17 +0800
From: Wei Xu <wexu@redhat.com>
Message-ID: <20190220004617.GA23868@wei-ubt>
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Subject: Re: [Qemu-devel] [PATCH v4 11/11] virtio: CLI and provide packed
 ring feature bit by default
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To: Jason Wang <jasowang@redhat.com>
Cc: tiwei.bie@intel.com, maxime.coquelin@redhat.com, qemu-devel@nongnu.org, jfreiman@redhat.com, mst@redhat.com

On Tue, Feb 19, 2019 at 09:33:40PM +0800, Jason Wang wrote:
>=20
> On 2019/2/19 =E4=B8=8B=E5=8D=887:23, Wei Xu wrote:
> >On Tue, Feb 19, 2019 at 03:32:19PM +0800, Jason Wang wrote:
> >>On 2019/2/14 =E4=B8=8B=E5=8D=8812:26,wexu@redhat.com  wrote:
> >>>From: Wei Xu<wexu@redhat.com>
> >>>
> >>>Add userspace and vhost kernel/user support.
> >>>
> >>>Add CLI "ring_packed=3Dtrue/false" to enable/disable packed ring pro=
vision.
> >>>Usage:
> >>>     -device virtio-net-pci,netdev=3Dxx,mac=3Dxx:xx:xx:xx:xx:xx,ring=
_packed=3Dfalse
> >>>
> >>>By default it is provided.
> >>Please compat this for old machine types.
> >It is provided by default, how to make it compatible for old machine t=
ypes?
> >Hide or provide it?
> >
> >Wei
> >
>=20
> Take a look at e.g how pc_compat_3_1 and hw_compat_3_1 was used.

OK, thanks.

Wei
>=20
> Thanks
>=20
>=20