linux-kernel - Re: [PATCH v2 2/2] Do not change worker's running cpu in cmci

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Date:	Mon, 22 Oct 2012 12:18:04 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Tang Chen <tangchen@...fujitsu.com>
Cc:	"Luck, Tony" <tony.luck@...el.com>, Borislav Petkov <bp@...64.org>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"mingo@...hat.com" <mingo@...hat.com>,
	"hpa@...or.com" <hpa@...or.com>,
	"miaox@...fujitsu.com" <miaox@...fujitsu.com>,
	"laijs@...fujitsu.com" <laijs@...fujitsu.com>,
	"wency@...fujitsu.com" <wency@...fujitsu.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] Do not change worker's running cpu in
 cmci_rediscover().

On Mon, Oct 22, 2012 at 11:33:16AM +0800, Tang Chen wrote:
> I have 2 nodes, node0 and node1. node1 could be hotpluged.
> node0 has cpu0 ~ cpu15, node1 has cpu16 ~ cpu31.
> 
> I online all the cpus on node1, and hot-remove node1 directly.

Hold on, I need to ask here: you soft-online all cores on node1 and
*then* you *hot* *remove* it? So with all cores online you physically
take out the processor from the socket? Am I reading this correctly?

Thanks.

-- 
Regards/Gruss,
    Boris.
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