linux-kernel - Re: [PATCH 1/3] [RFC][x86] move notify

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Message-ID: <20100128154646.GW4472@redhat.com>
Date:	Thu, 28 Jan 2010 10:46:46 -0500
From:	Don Zickus <dzickus@...hat.com>
To:	Cyrill Gorcunov <gorcunov@...il.com>
Cc:	mingo@...e.hu, peterz@...radead.org, aris@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] [RFC][x86] move notify_die from nmi.c to traps.c

On Thu, Jan 28, 2010 at 06:10:25PM +0300, Cyrill Gorcunov wrote:
> On Wed, Jan 27, 2010 at 03:03:40PM -0500, Don Zickus wrote:
> ...
> > diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
> > index 3339917..3b98dd3 100644
> > --- a/arch/x86/kernel/traps.c
> > +++ b/arch/x86/kernel/traps.c
> > @@ -400,6 +400,11 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs)
> >  		if (notify_die(DIE_NMI_IPI, "nmi_ipi", regs, reason, 2, SIGINT)
> >  								== NOTIFY_STOP)
> >  			return;
> > +
> > +	        if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT)
> > +	        			                == NOTIFY_STOP)
> > +	                return;
> > +
> >  #ifdef CONFIG_X86_LOCAL_APIC
> >  		/*
> >  		 * Ok, so this is none of the documented NMI sources,
> > --
> 
> Hi Don, I suppose this notify_die should be in CONFIG_X86_LOCAL_APIC
> section?

To maintain old behaviour I suppose, yes.  Personally I don't think
notify_die has anything to do with CONFIG_X86_LOCAL_APIC so I put it in
above the #define.

Cheers,
Don
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