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[Xen-devel] Re: [PATCH] x86: work around gcc 3.4.x bug

To: Simon Horman <horms@xxxxxxxxxxxx>
Subject: [Xen-devel] Re: [PATCH] x86: work around gcc 3.4.x bug
From: Ingo Molnar <mingo@xxxxxxx>
Date: Mon, 11 Aug 2008 18:44:23 +0200
Cc: Mark McLoughlin <markmc@xxxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Eduardo Habkost <ehabkost@xxxxxxxxxx>, Stephen Tweedie <sct@xxxxxxxxxx>, Adrian Bunk <bunk@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, "H. Peter Anvin" <hpa@xxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Dhaval Giani <dhaval@xxxxxxxxxxxxxxxxxx>
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* Simon Horman <horms@xxxxxxxxxxxx> 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@xxxxxxxxxx>
> > Cc: Adrian Bunk <bunk@xxxxxxxxxx>
> > Cc: Simon Horman <horms@xxxxxxxxxxxx>
> > Cc: Dhaval Giani <dhaval@xxxxxxxxxxxxxxxxxx>
> Hi Jeremy,
> This does solve the problem I was seeing on on 3.4.5.
> Acked-by: Simon Horman <horms@xxxxxxxxxxxx>

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


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