Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262001AbVEXLu3 (ORCPT ); Tue, 24 May 2005 07:50:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262003AbVEXLu1 (ORCPT ); Tue, 24 May 2005 07:50:27 -0400 Received: from colin.muc.de ([193.149.48.1]:41992 "EHLO mail.muc.de") by vger.kernel.org with ESMTP id S262001AbVEXLuQ (ORCPT ); Tue, 24 May 2005 07:50:16 -0400 Date: 24 May 2005 13:50:11 +0200 Date: Tue, 24 May 2005 13:50:11 +0200 From: Andi Kleen To: Srivatsa Vaddagiri Cc: Ashok Raj , zwane@arm.linux.org.uk, discuss@x86-64.org, shaohua.li@intel.com, linux-kernel@vger.kernel.org, rusty@rustycorp.com.au Subject: Re: [discuss] Re: [patch 0/4] CPU hot-plug support for x86_64 Message-ID: <20050524115011.GC86233@muc.de> References: <20050520221622.124069000@csdlinux-2.jf.intel.com> <20050523164046.GB39821@muc.de> <20050523095450.A8193@unix-os.sc.intel.com> <20050523171212.GF39821@muc.de> <20050523104046.B8692@unix-os.sc.intel.com> <20050524054617.GA5510@in.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050524054617.GA5510@in.ibm.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 493 Lines: 13 > > sending to only relevant cpus removes that ambiquity. > > Or grab the 'call_lock' before setting the upcoming cpu in the online_map. > This should also avoid the race when a CPU is coming online. Such a simple solution would be great. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/