linux-kernel - RE: [PATCH v4 0/7] x86: BSP or CPU0 online/offline

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Message-ID: <26E9B811E137AB4B95200FD4C950886BFFB4653B@orsmsx507.amr.corp.intel.com>
Date:	Tue, 6 Dec 2011 06:58:59 -0800
From:	"Van De Ven, Arjan" <arjan.van.de.ven@...el.com>
To:	Ingo Molnar <mingo@...e.hu>, "Yu, Fenghua" <fenghua.yu@...el.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	H Peter Anvin <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Luck, Tony" <tony.luck@...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>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.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 v4 0/7] x86: BSP or CPU0 online/offline

> But the hibernation angle should be considered. Hibernation already has to deal
> with the case where someone physically unplugs a CPU and then resumes from
> the disk image, right? How does the hibernation code handle that case
> currently?

it'll fail the resume.

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