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

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Message-ID: <20091116215052.GK5653@lenovo>
Date:	Tue, 17 Nov 2009 00:50:52 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Mike Travis <travis@....com>,
	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>,
	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

On Mon, Nov 16, 2009 at 01:46:07PM -0800, H. Peter Anvin wrote:
> On 11/16/2009 01:43 PM, Cyrill Gorcunov wrote:
> > 
> > It seems we have one
> > 
> > 	arch/x86/kernel/setup.c:125:unsigned int boot_cpu_id __read_mostly;
> > 
> > 	-- Cyrill
> 
> We probably should make it an inline function so that if other arches
> want to define it to be a constant or some other kind of special thing
> they can.
> 
> 	-hpa
> 

IA-64 and SPARC already has this variable. But boot_cpu_id() as an
inline function seem to be more natural/portable ineed.

	-- Cyrill
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