Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754671AbXEaOUr (ORCPT ); Thu, 31 May 2007 10:20:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752215AbXEaOUl (ORCPT ); Thu, 31 May 2007 10:20:41 -0400 Received: from one.firstfloor.org ([213.235.205.2]:33371 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752129AbXEaOUk (ORCPT ); Thu, 31 May 2007 10:20:40 -0400 Date: Thu, 31 May 2007 16:20:38 +0200 From: Andi Kleen To: Stephane Eranian Cc: Andi Kleen , linux-kernel@vger.kernel.org Subject: Re: [PATCH 19/22] 2.6.22-rc3 perfmon2 : modified x86_64 files Message-ID: <20070531142038.GB2538@one.firstfloor.org> References: <200705291348.l4TDmYaf019853@frankl.hpl.hp.com> <20070531141600.GH22798@frankl.hpl.hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070531141600.GH22798@frankl.hpl.hp.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 823 Lines: 26 On Thu, May 31, 2007 at 07:16:00AM -0700, Stephane Eranian wrote: > This is it. the check for uncommon bits is below (_TIF_WORK_CTXSW). Then > we need to check each uncommon bits (done above). Did you have something else > in mind? Ah it's ok sorry. > > Just use a cpu notifier instead. No need to add everybody's per cpu init code here. > > The code must run on the CPU that is being initialized. smp_call_function_single() > > > > No compat syscalls? > > > compat syscalls for what? I need to ensure backward compatiblity on IA-64 only. For 32bit / i386 code. -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/