From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754020Ab1KJSd1 (ORCPT ); Thu, 10 Nov 2011 13:33:27 -0500 Received: from wolverine02.qualcomm.com ([199.106.114.251]:64970 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753694Ab1KJSdX (ORCPT ); Thu, 10 Nov 2011 13:33:23 -0500 X-IronPort-AV: E=McAfee;i="5400,1158,6526"; a="134134652" Date: Thu, 10 Nov 2011 10:33:21 -0800 From: David Brown To: Stephen Boyd Cc: David Brown , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Thomas Gleixner , Marc Zyngier Subject: Re: [PATCH 0/8] MSM timer fixes and cleanups Message-ID: <20111110183321.GA16832@huya.qualcomm.com> References: <1320777250-23263-1-git-send-email-sboyd@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1320777250-23263-1-git-send-email-sboyd@codeaurora.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 08, 2011 at 10:34:02AM -0800, Stephen Boyd wrote: > Currently the MSM timers use the same physical counter > for the clockevent and clocksource. This works as long > as the clocksource isn't stopped from ticking during normal > operation but unfortunately that isn't the case and the > clocksource is stopped when the clockevent is shutdown. > Even worse, switching the clocksource via sysfs at runtime will > hang the system. > > This series reorganizes the MSM timer code so that one counter > is only used for either a clocksource or a clockevent, and not > both. In the process we reduce the lines of code and fix > a few long-standing bugs. How do you test these on the upstream kernel? Booting successfully is probably a good starting point, though. David -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.