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Re: [Qemu-devel] vhost acceleration broken?
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] vhost acceleration broken? |
Date: |
Mon, 29 Jul 2013 10:09:48 +0300 |
On Mon, Jul 29, 2013 at 09:25:20AM +0930, Rusty Russell wrote:
> Anthony Liguori <address@hidden> writes:
> > "Michael S. Tsirkin" <address@hidden> writes:
> >
> >> On Thu, Jul 25, 2013 at 04:56:05PM +0200, Andreas Färber wrote:
> >>> Am 25.07.2013 16:52, schrieb Michael S. Tsirkin:
> >>> > On Thu, Jul 25, 2013 at 08:28:00AM -0500, Anthony Liguori wrote:
> >>> >> We have a pretty awful legacy command line set that comes from years of
> >>> >> half-baked concepts and the years when too many people just committed
> >>> >> random shit to the tree.
> >>> >>
> >>> >> I think we probably need to start planning for a clean break. Maybe
> >>> >> that's a good target for a 2.0 version...
> >>> >
> >>> > Assuming -netdev supports all required configurations, we should
> >>> > remove -net from the -help output.
> >>>
> >>> Peter had raised the issue of -netdev not working well with boards that
> >>> already supply a default NIC - was there a solution yet?
> >>>
> >>> Andreas
> >>
> >> Whoever is removing -net will have to code that up. Want to do this?
> >
> > I would not rush to remove things. If we're going to go through a
> > deprecation process, we should start with a proposal on what things
> > should be removed and go from there.
> >
> > I still don't even think -netdev is the right answer here either.
> > Wouldn't it make more sense to have something like:
> >
> > qemu -vnic tap,script=/foo/myscript
> >
> > Or something vaguely understandable by a human?
>
> OK. It seems to me that each net device has a host side and a guest
> side, which you can mix and match. So the commandline should reflect
> that explicitly:
>
> qemu -hostdev net,[tap|user|bridge|socket|vde],.... -guestdev
> net,....
>
> If you have a built-in net device on your emulated board, you've got one
> implied -guestdev net. And similar principles apply to other things
> like consoles and disks.
I think what Peter was asking for is a way to set parameters
on the implied -guestdev (we use -netdev for this).
> Now, guest and host terms may suck. But please pick one terminology and
> use it *everywhere*. Documentation, code and cmdline.
>
> Thanks,
> Rusty.
- Re: [Qemu-devel] vhost acceleration broken?, (continued)
- Re: [Qemu-devel] vhost acceleration broken?, Anthony Liguori, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Michael S. Tsirkin, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Andreas Färber, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Michael S. Tsirkin, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Anthony Liguori, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Peter Maydell, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Michael S. Tsirkin, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Rusty Russell, 2013/07/28
- Re: [Qemu-devel] vhost acceleration broken?, Anthony Liguori, 2013/07/28
- Re: [Qemu-devel] vhost acceleration broken?, Michael S. Tsirkin, 2013/07/29
- Re: [Qemu-devel] vhost acceleration broken?,
Michael S. Tsirkin <=
Re: [Qemu-devel] vhost acceleration broken?, Peter Maydell, 2013/07/25
Re: [Qemu-devel] vhost acceleration broken?, Michael S. Tsirkin, 2013/07/25