Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751395AbZLOFgB (ORCPT ); Tue, 15 Dec 2009 00:36:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751245AbZLOFf7 (ORCPT ); Tue, 15 Dec 2009 00:35:59 -0500 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:48053 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750859AbZLOFf6 (ORCPT ); Tue, 15 Dec 2009 00:35:58 -0500 Date: Mon, 14 Dec 2009 21:36:01 -0800 (PST) Message-Id: <20091214.213601.77046339.davem@davemloft.net> To: peterz@infradead.org Cc: mingo@elte.hu, tglx@linutronix.de, linux-kernel@vger.kernel.org Subject: Re: cpu_clock() in NMIs From: David Miller In-Reply-To: <1260819170.4165.346.camel@twins> References: <1260781359.4165.42.camel@twins> <20091214.110905.207084342.davem@davemloft.net> <1260819170.4165.346.camel@twins> X-Mailer: Mew version 6.3 on Emacs 23.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 752 Lines: 21 From: Peter Zijlstra Date: Mon, 14 Dec 2009 20:32:50 +0100 > OK, you convinced me plenty ;-) > > I guess we need some debug code to ensure we don't grow any > local_irq_save/restore/disable code in NMI paths, and maybe document > this some place. > > Acked-by: Peter Zijlstra Ingo and others. I'd like to get this kernel/sched_clock.c IRQ disabling patch into Linus's tree and then into -stable because the fix for sparc64 perf depends upon it. Thanks. -- 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/