Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757020Ab0HDKYd (ORCPT ); Wed, 4 Aug 2010 06:24:33 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:42990 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751351Ab0HDKYb convert rfc822-to-8bit (ORCPT ); Wed, 4 Aug 2010 06:24:31 -0400 Subject: Re: A question of perf NMI handler From: Peter Zijlstra To: Robert Richter Cc: Lin Ming , Ingo Molnar , Don Zickus , Cyrill Gorcunov , "fweisbec@gmail.com" , "linux-kernel@vger.kernel.org" , "Huang, Ying" In-Reply-To: <20100804100116.GH26154@erda.amd.com> References: <1280913670.20797.179.camel@minggr.sh.intel.com> <20100804100116.GH26154@erda.amd.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Wed, 04 Aug 2010 12:24:18 +0200 Message-ID: <1280917458.1923.937.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: 571 Lines: 12 On Wed, 2010-08-04 at 12:01 +0200, Robert Richter wrote: > To ensure that all other nmi handlers are > called, the perfctr's nmi handler must have the lowest priority. Then, > the handler will be the last in the chain. Well, unless another NMI handler has the exact same issue and also starts eating all NMIs, just in case. -- 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/