linux-kernel - Re: [RFC] Unify KVM kernel-space and user-space code into a single project

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Message-ID: <84144f021003180951s5207de16p1cdf4b9b04040222@mail.gmail.com>
Date:	Thu, 18 Mar 2010 18:51:16 +0200
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Anthony Liguori <anthony@...emonkey.ws>
Cc:	Ingo Molnar <mingo@...e.hu>, Avi Kivity <avi@...hat.com>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Sheng Yang <sheng@...ux.intel.com>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	Marcelo Tosatti <mtosatti@...hat.com>,
	oerg Roedel <joro@...tes.org>,
	Jes Sorensen <Jes.Sorensen@...hat.com>,
	Gleb Natapov <gleb@...hat.com>,
	Zachary Amsden <zamsden@...hat.com>, ziteng.huang@...el.com,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	"Fr?d?ric Weisbecker" <fweisbec@...il.com>
Subject: Re: [RFC] Unify KVM kernel-space and user-space code into a single 
	project

On Thu, Mar 18, 2010 at 6:38 PM, Anthony Liguori <anthony@...emonkey.ws> wrote:
>>>> There are all kernel space projects, going through Xorg would be a
>>>> horrible waste of performance for full-screen virtualization. It's fine
>>>> for the windowed or networked case (and good as a compatibility
>>>> fallback), but very much not fine for local desktop use.
>>
>> For the full-screen case (which is a very common mode of using a guest OS
>> on the desktop) there's not much of window management needed. You need to
>> save/restore as you switch in/out.
>
> I don't think I've ever used full-screen mode with my VMs and I use
> virtualization on a daily basis.
>
> We hear very infrequently from users using full screen mode.

Sorry for getting slightly off-topic but I find the above statement interesting.

I don't use virtualization on daily basis but a working, fully
integrated full-screen model with VirtualBox was the only reason I
bothered to give VMs a second chance. From my point of view, the user
experience of earlier versions (e.g. Parallels) was just too painful
to live with.

/me crawls back to his hole now...

                        Pekka
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