From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751592AbXCDQ2H (ORCPT ); Sun, 4 Mar 2007 11:28:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751771AbXCDQ2G (ORCPT ); Sun, 4 Mar 2007 11:28:06 -0500 Received: from gateway-1237.mvista.com ([63.81.120.158]:64192 "EHLO gateway-1237.mvista.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751592AbXCDQ2F (ORCPT ); Sun, 4 Mar 2007 11:28:05 -0500 Subject: Re: [PATCH -mm][Take 2] clocksource init adjustments (fix bug #7426) From: Daniel Walker To: john stultz Cc: David Miller , Andrew Morton , linux-kernel@vger.kernel.org, andreas.friedrich@fujitsu-siemens.com, tglx@linutronix.de In-Reply-To: <1172877840.5449.39.camel@localhost.localdomain> References: <1172189582.5422.26.camel@localhost.localdomain> <20070302021827.7edc1a23.akpm@linux-foundation.org> <1172865491.5449.13.camel@localhost.localdomain> <20070302.123202.11628478.davem@davemloft.net> <1172877840.5449.39.camel@localhost.localdomain> Content-Type: text/plain Date: Sun, 04 Mar 2007 08:25:35 -0800 Message-Id: <1173025535.31337.15.camel@imap.mvista.com> Mime-Version: 1.0 X-Mailer: Evolution 2.8.2.1 (2.8.2.1-3.fc6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2007-03-02 at 15:24 -0800, john stultz wrote: > Thus the solution here is to register clocksources earlier (ideally when > the hardware is being initialized), and then we enable clocksource > selection at fs_initcall (before device_initcall). > When I was doing this in my tree I found that registering clocksources earlier would always break dynamic tick .. If dynamic tick switches itself on during boot up then it usually hangs the system .. Did you test this patch with that option enabled? (I haven't had a chance too..) Daniel