linux-kernel - Re: [PATCH] x86: Enable NMI on all cpus on UV

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Date:	Mon, 22 Feb 2010 16:24:51 -0600
From:	Russ Anderson <rja@....com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	"H. Peter Anvin" <hpa@...or.com>, tglx@...utronix.de,
	linux-kernel@...r.kernel.org, rja@....com
Subject: Re: [PATCH] x86: Enable NMI on all cpus on UV

On Mon, Feb 22, 2010 at 11:38:53AM +0100, Ingo Molnar wrote:
> 
> * Russ Anderson <rja@....com> wrote:
> 
> > Index: linux/arch/x86/kernel/smpboot.c
> > ===================================================================
> > --- linux.orig/arch/x86/kernel/smpboot.c	2010-02-17 10:21:55.000000000 -0600
> > +++ linux/arch/x86/kernel/smpboot.c	2010-02-17 10:32:20.000000000 -0600
> > @@ -320,6 +320,8 @@ notrace static void __cpuinit start_seco
> >  	unlock_vector_lock();
> >  	ipi_call_unlock();
> >  	per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
> > +	if (is_uv_system())
> > +		uv_nmi_init();
> 
> Instead of cramming it into the init sequence open-coded, shouldnt this be 
> done via the x86_platform driver mechanism?

OK, I'm working on it.

> Thanks,
> 
> 	Ingo

Thanks,
-- 
Russ Anderson, OS RAS/Partitioning Project Lead  
SGI - Silicon Graphics Inc          rja@....com
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