linux-kernel - Re: [uml-devel] User Mode Linux still doesn't build in 2.6.23-final.

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Date:	Tue, 23 Oct 2007 18:57:46 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Al Viro <viro@....linux.org.uk>,
	WANG Cong <xiyou.wangcong@...il.com>,
	Sam Ravnborg <sam@...nborg.org>, Nix <nix@...eri.org.uk>,
	Jeff Dike <jdike@...toit.com>,
	Paolo Giarrusso <p.giarrusso@...il.com>,
	user-mode-linux-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, Rob Landley <rob@...dley.net>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [uml-devel] User Mode Linux still doesn't build in 2.6.23-final.

On Tue, Oct 23, 2007 at 05:44:17PM +0200, Ingo Molnar wrote:
> 
> * Ingo Molnar <mingo@...e.hu> wrote:
> 
> > > [...] -pg should in theory work with -mregparms.
> > 
> > last i checked it didnt work - i'll re-check that.
> 
> earlier gcc versions had problems with -mregparm and with -pg. I just 

Which version was that? 

> did a quick test with latest gcc and at a quick glance it seems to work 
> better - i'll propagate that throught he whole latency tracer to see 
> whether it's indeed working throughout. Anyway, this means that there's 
> no urgent need for this patch and we've dropped it from the x86 queue 
> for now. As long as it only affects older gcc's it's probably not worth 
> force-keeping the annotations for that purpose alone.

Great.

-Andi
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