linux-kernel - Re: [PATCH] x86: clean up setup_clear/force_cpu

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Date:	Sun, 28 Dec 2008 20:08:57 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Yinghai Lu <yinghai@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: clean up setup_clear/force_cpu_cap handling

On Saturday 27 December 2008 20:52:34 Ingo Molnar wrote:
> 
> * Yinghai Lu <yinghai@...nel.org> wrote:
> 
> > Impact: fix and cleanup
> > 
> > setup_force_cpu_cap() only have one user xen
> > but it should not reuse cleared_cpu_cpus. it will have problem
> > for smp.
> > 
> > need to have cpu_cpus_set array too.
> > also need to setup handling before all cpus cap AND
> > 
> > Signed-off-by: Yinghai Lu <yinghai.lu@...nel.org>
> > 
> > ---
> >  arch/x86/include/asm/cpufeature.h |    4 ++--
> >  arch/x86/include/asm/processor.h  |    3 ++-
> >  arch/x86/kernel/cpu/common.c      |   17 ++++++++++++-----
> >  3 files changed, 16 insertions(+), 8 deletions(-)
> 
> Rusty, you'll carry this patch in your linux-2.6-boot-params.git tree, 
> right? Merging this in the x86 tree would just needlessly complicate your 
> logistics, right?

Yep, if you're happy to ack, I'm happy to carry.

Cheers,
Rusty.
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