linux-kernel - Re: [PATCH] KVM: Add wrapper script around QEMU to test kernels

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Message-ID: <CAOJsxLFqjKizPwk_BODxPNrHncwiBccnLdr4pU9RSc9DYNKztA@mail.gmail.com>
Date:	Sun, 6 Nov 2011 15:11:47 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Avi Kivity <avi@...hat.com>
Cc:	Alexander Graf <agraf@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	"linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org list" <kvm@...r.kernel.org>,
	qemu-devel Developers <qemu-devel@...gnu.org>,
	Américo Wang <xiyou.wangcong@...il.com>,
	Blue Swirl <blauwirbel@...il.com>
Subject: Re: [PATCH] KVM: Add wrapper script around QEMU to test kernels

On Sun, Nov 6, 2011 at 2:43 PM, Avi Kivity <avi@...hat.com> wrote:
> Alex's script, though, is just a few dozen lines.  kvm-tool is a 20K
> patch - in fact 2X as large as kvm when it was first merged.  And it's
> main feature seems to be that "it is not qemu".

I think I've mentioned many times that I find the QEMU source terribly
difficult to read and hack on. So if you mean "not qemu" from that
point of view, sure, I think it's a very important point. The command
line interface is also "not qemu" for a very good reason too.

As for virtio drivers and such, we're actually following QEMU's
example very closely. I guess we're going to diverge a bit for better
guest isolation but fundamentally I don't see why we'd want to be
totally different from QEMU on that level.

                        Pekka
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