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

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Date:	Sun, 06 Nov 2011 11:10:54 -0600
From:	Anthony Liguori <anthony@...emonkey.ws>
To:	Pekka Enberg <penberg@...nel.org>
CC:	Avi Kivity <avi@...hat.com>,
	"kvm@...r.kernel.org list" <kvm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>,
	qemu-devel Developers <qemu-devel@...gnu.org>,
	Alexander Graf <agraf@...e.de>,
	Blue Swirl <blauwirbel@...il.com>,
	Américo Wang <xiyou.wangcong@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [Qemu-devel] [PATCH] KVM: Add wrapper script around QEMU to test
 kernels

On 11/06/2011 07:06 AM, Pekka Enberg wrote:
> On Sun, Nov 6, 2011 at 2:43 PM, Avi Kivity<avi@...hat.com>  wrote:
>> You say that kvm-tool's scope is broader than Alex's script, therefore
>> the latter is pointless.
>
> I'm saying that Alex's script is pointless because it's not attempting
> to fix the real issues. For example, we're trying to make make it as
> easy as possible to setup a guest and to be able to access guest data
> from the host. Alex's script is essentially just a simplified QEMU
> "front end" for kernel developers.
>
> That's why I feel it's a pointless thing to do.
>
> On Sun, Nov 6, 2011 at 2:43 PM, Avi Kivity<avi@...hat.com>  wrote:
>> You accept that qemu's scope is broader than kvm-tool (and is a
>> superset).  That is why many people think kvm-tool is pointless.
>
> Sure. I think it's mostly people that are interested in non-Linux
> virtualization that think the KVM tool is a pointless project.
> However, some people (including myself) think the KVM tool is a more
> usable and hackable tool than QEMU for Linux virtualization.

There are literally dozens of mini operating systems that exist for exactly the 
same reason that you describe above.  They are smaller and easier to hack on 
than something like Linux.

Regards,

Anthony Liguori

>
> The difference here is that although I feel Alex's script is a
> pointless project, I'm in no way opposed to merging it in the tree if
> people use it and it solves their problem. Some people seem to be
> violently opposed to merging the KVM tool and I'm having difficult
> time understanding why that is.
>
>                          Pekka
>

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