Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753278Ab0HZKIY (ORCPT ); Thu, 26 Aug 2010 06:08:24 -0400 Received: from casper.infradead.org ([85.118.1.10]:47605 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751401Ab0HZKIX convert rfc822-to-8bit (ORCPT ); Thu, 26 Aug 2010 06:08:23 -0400 Subject: Re: [PATCH] lglock: make lg_lock_global() actually lock globally From: Peter Zijlstra To: Nick Piggin Cc: Tejun Heo , Linus Torvalds , Jonathan Corbet , Rusty Russell , Al Viro , LKML In-Reply-To: <20100826094613.GA6411@amd> References: <20100825132815.108d8217@bike.lwn.net> <4C762BF9.5010305@kernel.org> <20100826094613.GA6411@amd> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Thu, 26 Aug 2010 12:08:08 +0200 Message-ID: <1282817288.1975.485.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 555 Lines: 13 On Thu, 2010-08-26 at 19:46 +1000, Nick Piggin wrote: > Why is that? Don't tell me realtime people want some latency "guarantee" > while onlining CPUs? :) I think its only done because we can, don't use kstopmachine if you don't have to etc.. We tell people who do RT not to hotplug, not load modules etc.. -- 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/