From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752998Ab2JVKSJ (ORCPT ); Mon, 22 Oct 2012 06:18:09 -0400 Received: from mail.skyhub.de ([78.46.96.112]:47161 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751842Ab2JVKSH (ORCPT ); Mon, 22 Oct 2012 06:18:07 -0400 Date: Mon, 22 Oct 2012 12:18:04 +0200 From: Borislav Petkov To: Tang Chen Cc: "Luck, Tony" , Borislav Petkov , "tglx@linutronix.de" , "mingo@redhat.com" , "hpa@zytor.com" , "miaox@cn.fujitsu.com" , "laijs@cn.fujitsu.com" , "wency@cn.fujitsu.com" , "x86@kernel.org" , "linux-edac@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v2 2/2] Do not change worker's running cpu in cmci_rediscover(). Message-ID: <20121022101804.GC8352@liondog.tnic> Mail-Followup-To: Borislav Petkov , Tang Chen , "Luck, Tony" , Borislav Petkov , "tglx@linutronix.de" , "mingo@redhat.com" , "hpa@zytor.com" , "miaox@cn.fujitsu.com" , "laijs@cn.fujitsu.com" , "wency@cn.fujitsu.com" , "x86@kernel.org" , "linux-edac@vger.kernel.org" , "linux-kernel@vger.kernel.org" References: <1350625528-1385-1-git-send-email-tangchen@cn.fujitsu.com> <1350625528-1385-3-git-send-email-tangchen@cn.fujitsu.com> <20121019164233.GF11958@aftab.osrc.amd.com> <3908561D78D1C84285E8C5FCA982C28F19D57AA5@ORSMSX108.amr.corp.intel.com> <5084BE7C.4020303@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <5084BE7C.4020303@cn.fujitsu.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.