linux-kernel - Re: [PATCH] x86: work around gcc 3.4.x bug

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Message-ID: <20080811164423.GF4524@elte.hu>
Date:	Mon, 11 Aug 2008 18:44:23 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Simon Horman <horms@...ge.net.au>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Adrian Bunk <bunk@...nel.org>,
	Mark McLoughlin <markmc@...hat.com>,
	xen-devel@...ts.xensource.com,
	Eduardo Habkost <ehabkost@...hat.com>,
	Stephen Tweedie <sct@...hat.com>, linux-kernel@...r.kernel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>
Subject: Re: [PATCH] x86: work around gcc 3.4.x bug


* Simon Horman <horms@...ge.net.au> wrote:

> On Fri, Aug 08, 2008 at 01:46:07PM -0700, Jeremy Fitzhardinge wrote:
> > gcc-3.4.x crashes when compiling pgd_prepopulate_pmd() when
> > PREALLOCATED_PMDS == 0 and CONFIG_DEBUG_INFO is enabled.  This seems
> > to avoid the problem.
> >
> > Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
> > Cc: Adrian Bunk <bunk@...nel.org>
> > Cc: Simon Horman <horms@...ge.net.au>
> > Cc: Dhaval Giani <dhaval@...ux.vnet.ibm.com>
> 
> Hi Jeremy,
> 
> This does solve the problem I was seeing on on 3.4.5.
> 
> Acked-by: Simon Horman <horms@...ge.net.au>

applied to tip/x86/urgent - thanks for tracking this down.

	Ingo
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