linux-kernel - Re: [PATCH 3/4] x86, mce: Add persistent MCE event

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Date:	Tue, 3 May 2011 17:22:24 +0200
From:	Borislav Petkov <bp@...64.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Tony Luck <tony.luck@...el.com>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	EDAC devel <linux-edac@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Petkov, Borislav" <Borislav.Petkov@....com>
Subject: Re: [PATCH 3/4] x86, mce: Add persistent MCE event

On Tue, May 03, 2011 at 11:14:16AM -0400, Joe Perches wrote:
> On Tue, 2011-05-03 at 09:18 +0200, Borislav Petkov wrote:
> > On Tue, May 03, 2011 at 02:44:01AM -0400, Ingo Molnar wrote:
> > > * Borislav Petkov <bp@...64.org> wrote:
> []
> > > > +static struct dentry *mce_add_event_debugfs(struct perf_event *event, int cpu)
> > > > +{
> > > > +	char buf[14];
> > > > +
> > > > +	sprintf(buf, "mce_record%d", cpu);
> 
> trivia:
> 
> buf[14] doesn't fit 10k+ cpus.

I'll fix that when someone comes up with a x86 system that supports 10k+
CPUs with a single system image :).

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Gemeinde Aschheim, Landkreis Muenchen
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