linux-kernel - Re: [PATCH] nmi_watchdog: checkpatch.pl cleanups from earlier patches

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Date:	Tue, 23 Feb 2010 02:31:58 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Don Zickus <dzickus@...hat.com>, linux-kernel@...r.kernel.org,
	mingo@...e.hu, peterz@...radead.org, aris@...hat.com
Subject: Re: [PATCH] nmi_watchdog: checkpatch.pl cleanups from earlier
	patches

On Tue, Feb 23, 2010 at 02:24:27AM +0300, Cyrill Gorcunov wrote:
> On Mon, Feb 22, 2010 at 06:09:03PM -0500, Don Zickus wrote:
> ...
> 
> Hi Don!
> 
> > diff --git a/kernel/nmi_watchdog.c b/kernel/nmi_watchdog.c
> > index 3c75cbf..0a6f57f 100644
> > --- a/kernel/nmi_watchdog.c
> > +++ b/kernel/nmi_watchdog.c
> > @@ -50,31 +50,31 @@ void touch_all_nmi_watchdog(void)
> >  
> >  static int __init setup_nmi_watchdog(char *str)
> >  {
> > -        if (!strncmp(str, "panic", 5)) {
> > -                panic_on_timeout = 1;
> > -                str = strchr(str, ',');
> > -                if (!str)
> > -                        return 1;
> > -                ++str;
> > -        }
> > -        return 1;
> > +	if (!strncmp(str, "panic", 5)) {
> > +		panic_on_timeout = 1;
> 
> If I understand all the things correct -- you don't need to check for ','
> after panic. It seems so. Because we're switching to perf_events I suppose
> we may drop expecting "lapic,ioapic" or whatever here? Or there is an idea
> to parse say "panic,software" (ie to switch to software events by default)?
> 
> Though strictly speaking my question in rather unrelated to this patch
> agenda :)
> 
> > +		str = strchr(str, ',');
> > +		if (!str)
> > +			return 1;
> > +		++str;
> > +	}
> > +	return 1;
> >  }
> >  __setup("nmi_watchdog=", setup_nmi_watchdog);
> ...
> 
> 	-- Cyrill

If I'm right -- the fix could be done later, after this patch applied.

	-- Cyrill
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