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Re: [Xen-devel] bad register name `%sil' when building debug enabled xen

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] bad register name `%sil' when building debug enabled xen 3.3.1 with gcc 4.4.0 on fedora 11
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Tue, 5 May 2009 17:56:31 +0300
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On Tue, May 05, 2009 at 09:19:00AM +0300, Pasi Kärkkäinen wrote:
> On Mon, May 04, 2009 at 10:53:16PM +0100, Keir Fraser wrote:
> > On 04/05/2009 20:00, "Pasi Kärkkäinen" <pasik@xxxxxx> wrote:
> > 
> > > I'm trying to rebuild Fedora xen-3.3.1-11.fc11.src.rpm with debugging
> > > enabled ("debug=y verbose=y crash_debug=y").
> > > 
> > > Normal non-debug build succeeds fine without errors.. gcc bug? xen bug?
> > 
> > A couple of asm constraints should be "=qm" rather than "=rm". I will fix
> > for 3.4.0 and 3.3.1. You can use the attached patch to fix your build.
> > 
> 
> Thanks!
> 
> I'll try the patch later today.
> 

And indeed, the attached patch fixes the problem!

Thanks again.

Now back to debugging pv_ops dom0 kernels :-)

-- Pasi

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