Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161588AbWJDQnx (ORCPT ); Wed, 4 Oct 2006 12:43:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161594AbWJDQnx (ORCPT ); Wed, 4 Oct 2006 12:43:53 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:1971 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S1161589AbWJDQnv (ORCPT ); Wed, 4 Oct 2006 12:43:51 -0400 Date: Wed, 4 Oct 2006 18:35:27 +0200 From: Ingo Molnar To: Andrew Morton Cc: tglx@linutronix.de, LKML , Jim Gettys , John Stultz , David Woodhouse , Arjan van de Ven , Dave Jones Subject: Re: [patch] clockevents: drivers for i386, fix #2 Message-ID: <20061004163527.GA2328@elte.hu> References: <20061003084729.GA24961@elte.hu> <20061003103503.GA6350@elte.hu> <20061003203620.d85df9c6.akpm@osdl.org> <20061004064620.GA22364@elte.hu> <20061004003228.98ec3b39.akpm@osdl.org> <20061004075540.GA31415@elte.hu> <20061004011544.d49308de.akpm@osdl.org> <20061004105315.GA24940@elte.hu> <1159960776.1386.244.camel@localhost.localdomain> <20061004090205.9c29f5bf.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20061004090205.9c29f5bf.akpm@osdl.org> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: -2.8 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.8 required=5.9 tests=ALL_TRUSTED,AWL,BAYES_50 autolearn=no SpamAssassin version=3.0.3 -3.3 ALL_TRUSTED Did not pass through any untrusted hosts 0.5 BAYES_50 BODY: Bayesian spam probability is 40 to 60% [score: 0.5000] -0.0 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 921 Lines: 29 * Andrew Morton wrote: > > .name = "lapic", > > .capabilities = CLOCK_CAP_NEXTEVT | CLOCK_CAP_PROFILE > > +#ifdef CONFIG_SMP > > | CLOCK_CAP_UPDATE, > > +#endif > > .shift = 32, > > .set_mode = lapic_timer_setup, > > .set_next_event = lapic_next_event, > > that (after a tweak to make it compile) fixes it. [...] cool! the vanilla SMP kernel will likely show similar effects on your laptop. We'll figure out a safe way to detect this quirk, and to work it around or turn off the lapic timer driver in that case. (Btw., this bug was cleanups collateral damage. Many people are running -rt on laptops and i think we'd have noticed.) Ingo - 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/