Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754529AbYHSG2W (ORCPT ); Tue, 19 Aug 2008 02:28:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752007AbYHSG2O (ORCPT ); Tue, 19 Aug 2008 02:28:14 -0400 Received: from casper.infradead.org ([85.118.1.10]:45605 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751083AbYHSG2N (ORCPT ); Tue, 19 Aug 2008 02:28:13 -0400 Subject: Re: Backport hr-tick fix into .25/.26 From: Peter Zijlstra To: Ingo Molnar Cc: Justin Madru , lkml , Michal Januszewski , Antonino Daplas , Greg KH , Rafael Wysocki , Romano Giannetti , Adrian Bunk , Jeremy Nickurak In-Reply-To: <20080819003110.GH9914@elte.hu> References: <48A9BDC0.9070800@gawab.com> <20080819003110.GH9914@elte.hu> Content-Type: text/plain Date: Tue, 19 Aug 2008 08:28:16 +0200 Message-Id: <1219127296.10800.357.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 917 Lines: 26 On Tue, 2008-08-19 at 02:31 +0200, Ingo Molnar wrote: > * Justin Madru wrote: > > > This commit introduced the bug. > > commit 8f4d37ec073c17e2d4aa8851df5837d798606d6f > > sched: high-res preemption tick > > > And this one fixed it > > > > commit 31656519e132f6612584815f128c83976a9aaaef > > sched, x86: clean up hrtick implementation > > hm, the backport of 31656519 is a bit intrusive. > > find below is an (untested!) version of it - i havent even build-tested > it. Does it work for you? But this is Greg's call really. > It largely depends on all the new IPI stuff that went into 27 as well, so I'd be surprised if its easily backportable.. -- 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/