Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755510AbYJGXjd (ORCPT ); Tue, 7 Oct 2008 19:39:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755491AbYJGXjW (ORCPT ); Tue, 7 Oct 2008 19:39:22 -0400 Received: from one.firstfloor.org ([213.235.205.2]:41396 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755426AbYJGXjV (ORCPT ); Tue, 7 Oct 2008 19:39:21 -0400 Date: Wed, 8 Oct 2008 01:45:29 +0200 From: Andi Kleen To: eranian@gmail.com Cc: Andrew Morton , linux-kernel@vger.kernel.org, mingo@elte.hu, andi@firstfloor.org, tglx@linutronix.de, Shaohua Li Subject: Re: NMI watchdog setup_lapic_nmi_watchdog() problem Message-ID: <20081007234529.GC7971@one.firstfloor.org> References: <7c86c4470810070845w1346107cx211148c52fd03b68@mail.gmail.com> <20081007132158.009669d2.akpm@linux-foundation.org> <7c86c4470810071410u205fe7c4n43f9dbb76e49812e@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7c86c4470810071410u205fe7c4n43f9dbb76e49812e@mail.gmail.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 611 Lines: 17 > If you remove the 'cheap hack', disabling/enabling works. That's why > I'd like to better > understand was is going on with suspend/resume. The hack was done because there wasn't an available CPU global enable flag for the nmi watchdog. So resume would possible reenable it unnecessarily If there was one it could just check that. -Andi -- ak@linux.intel.com -- 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/