linux-kernel - Re: [PATCH 3/6] INIT: Limit the number of per cpu calibration bootup messages

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Message-ID: <20091116212427.GC2221@elte.hu>
Date:	Mon, 16 Nov 2009 22:24:27 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Mike Travis <travis@....com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Roland Dreier <rdreier@...co.com>,
	Randy Dunlap <rdunlap@...otime.net>, Tejun Heo <tj@...nel.org>,
	Andi Kleen <andi@...stfloor.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Yinghai Lu <yhlu.kernel@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	David Rientjes <rientjes@...gle.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	Jack Steiner <steiner@....com>,
	Frederic Weisbecker <fweisbec@...il.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/6] INIT: Limit the number of per cpu calibration bootup
 messages


* Mike Travis <travis@....com> wrote:

> --- linux.orig/init/calibrate.c
> +++ linux/init/calibrate.c
> @@ -123,23 +123,26 @@
>  {
>  	unsigned long ticks, loopbit;
>  	int lps_precision = LPS_PREC;
> +	bool boot_cpu = (smp_processor_id() == 0);

this code is shared by other architectures too - are you sure 
smp_processor_id()==0 is a proper 'I am the boot CPU' assumption 
everywhere?

	Ingo
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