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

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Date:	Thu, 18 Mar 2010 20:15:55 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	drepper@...il.com
Cc:	Anthony Liguori <anthony@...emonkey.ws>,
	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


* drepper@...il.com <drepper@...il.com> wrote:

> On Thu, Mar 18, 2010 at 09:13, Ingo Molnar <mingo@...e.hu> wrote:
>
> > The suckage of kernel async IO is for similar reasons: there's an ugly 
> > package separation problem between the kernel and between glibc
> 
> Bollocks.  glibc would use (and is using) everything the kernel provides.

I didnt say it's glibc's fault - if then it's more of the kernel's fault as 
most of the complexity is on that side. I said it's due to the fundamental 
distance between the app that makes use of it, the library and the kernel, and 
the resulting difficulties in getting a combined solution out.

None of the parties really feels it to be their own thing.

	Ingo
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