linux-kernel - Re: 2.6.35 hangs on early boot in KVM

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Date:	Tue, 3 Aug 2010 17:49:01 +0200
From:	Borislav Petkov <bp@...64.org>
To:	Tvrtko Ursulin <tvrtko.ursulin@...hos.com>
Cc:	Avi Kivity <avi@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	KVM list <kvm@...r.kernel.org>, "hpa@...or.com" <hpa@...or.com>
Subject: Re: 2.6.35 hangs on early boot in KVM

From: Tvrtko Ursulin <tvrtko.ursulin@...hos.com>
Date: Tue, Aug 03, 2010 at 11:31:02AM -0400

> > One interesting waning spotted:
> >
> > include/config/auto.conf:555:warning: symbol value '-fcall-saved-ecx
> > -fcall- saved-edx' invalid for ARCH_HWEIGHT_CFLAGS
> 
> Copying Peter and Borislav, guys please look at the above warning. I am
> bisecting a non-bootable 2.6.35 under KVM and while I am not there yet, it is
> close to the hweight commit (cb41838bbc4403f7270a94b93a9a0d9fc9c2e7ea) and I
> spotted this warning.

That's because you're at a bisection point before the hweight patch but
your .config already contains the ARCH_HWEIGHT_CFLAGS variable because
of the previous bisection point which contained the hweight patch.

I think this can be safely ignored.

-- 
Regards/Gruss,
Boris.

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