Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760926AbZDCGw6 (ORCPT ); Fri, 3 Apr 2009 02:52:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753183AbZDCGwt (ORCPT ); Fri, 3 Apr 2009 02:52:49 -0400 Received: from one.firstfloor.org ([213.235.205.2]:50952 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750930AbZDCGwt (ORCPT ); Fri, 3 Apr 2009 02:52:49 -0400 To: Andrew Morton Cc: Ingo Molnar , paulmck@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, niv@us.ibm.com, dvhltc@us.ibm.com, dhowells@redhat.com, lethal@linux-sh.org, kernel@wantstofly.org, matthew@wil.cx Subject: Re: [PATCH] v3 RCU: the bloatwatch edition From: Andi Kleen References: <20090203183426.GA14409@linux.vnet.ibm.com> <20090329203118.GA14005@linux.vnet.ibm.com> <20090402223605.GB19007@elte.hu> <20090402154444.b143efcf.akpm@linux-foundation.org> Date: Fri, 03 Apr 2009 08:52:41 +0200 In-Reply-To: <20090402154444.b143efcf.akpm@linux-foundation.org> (Andrew Morton's message of "Thu, 2 Apr 2009 15:44:44 -0700") Message-ID: <87prfukz46.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/22.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 763 Lines: 24 Andrew Morton writes: > On Fri, 3 Apr 2009 00:36:05 +0200 > Ingo Molnar wrote: > >> >> Andrew, what do you think? > > I'm really struggling to see how the 900-odd bytes saved justifies > creating (yet another) variant of core kernel machinery. Also it's unclear if anything special cased !SMP is worth it for the future. After all multi core or SMT is becoming more and more common even in the embedded world. -Andi -- ak@linux.intel.com -- Speaking for myself only. -- 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/