linux-kernel - RE: [PATCH v3 1/7] x86/topology.c: Support functions for BSP online/offline

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Message-ID: <493994B35A117E4F832F97C4719C4C0401D887FB36@orsmsx505.amr.corp.intel.com>
Date:	Fri, 11 Nov 2011 17:06:26 -0800
From:	"Yu, Fenghua" <fenghua.yu@...el.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	H Peter Anvin <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Luck, Tony" <tony.luck@...el.com>,
	"Van De Ven, Arjan" <arjan.van.de.ven@...el.com>,
	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	"Brown, Len" <len.brown@...el.com>,
	Randy Dunlap <rdunlap@...otime.net>,
	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-pm <linux-pm@...r.kernel.org>, x86 <x86@...nel.org>
Subject: RE: [PATCH v3 1/7] x86/topology.c: Support functions for BSP
 online/offline

> > +
> > +static int bsp_hotpluggable;
> 
> __read_mostly

Actually bsp_hotpluggable is read only once during boot time. So if changing it, I would change it to __initdata.

Thanks.

-Fenghua
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