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Re: [Qemu-devel] Current differences between qemu --enable-kvm and qemu-
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] Current differences between qemu --enable-kvm and qemu-kvm? |
Date: |
Tue, 22 May 2012 11:04:29 +0100 |
On Mon, May 21, 2012 at 5:54 PM, Erik Rull <address@hidden> wrote:
> is there a summary existing that shows up the rough or actual differences
> between qemu --enable-kvm and qemu-kvm? I tested both versions with the same
> compile and start options, the CPU performance results are identical, only
> the bootup time of my guest system with qemu-kvm seemed to be a bit faster
> (not measured, it just feeled so).
For production KVM instances I think it still makes sense to use
qemu-kvm packages from your distro or qemu-kvm upstream source.
Jan Kiszka has reduced the delta between qemu.git and qemu-kvm.git to
the point where I think the list of differences is rather small -
maybe PCI passthrough stuff, irqfd for vhost-net (which is now also
being upstreamed into qemu.git), and a few other things I don't know
of.
For development most patches should be against qemu.git unless they
have a dependency on qemu-kvm.git code.
Stefan
- [Qemu-devel] Current differences between qemu --enable-kvm and qemu-kvm?, Erik Rull, 2012/05/21
- [Qemu-devel] Current differences between qemu --enable-kvm and qemu-kvm?, Erik Rull, 2012/05/21
- Re: [Qemu-devel] Current differences between qemu --enable-kvm and qemu-kvm?,
Stefan Hajnoczi <=
- Re: [Qemu-devel] Current differences between qemu --enable-kvm and qemu-kvm?, Jan Kiszka, 2012/05/22
- Re: [Qemu-devel] Current differences between qemu --enable-kvm and qemu-kvm?, Jan Kiszka, 2012/05/22
- Re: [Qemu-devel] Current differences between qemu --enable-kvm and qemu-kvm?, Gerd Hoffmann, 2012/05/22
- Re: [Qemu-devel] Current differences between qemu --enable-kvm and qemu-kvm?, Erik Rull, 2012/05/22
- Re: [Qemu-devel] Current differences between qemu --enable-kvm and qemu-kvm?, Jan Kiszka, 2012/05/22