From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755961Ab2DLFLG (ORCPT ); Thu, 12 Apr 2012 01:11:06 -0400 Received: from mga09.intel.com ([134.134.136.24]:20652 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755165Ab2DLFLD (ORCPT ); Thu, 12 Apr 2012 01:11:03 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,352,1309762800"; d="scan'208";a="128116084" Message-ID: <4F8663B3.9060900@intel.com> Date: Thu, 12 Apr 2012 13:10:11 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: Suresh Siddha CC: Alex Shi , mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, santosh.shilimkar@ti.com, tglx@linutronix.de, "Chen, Tim C" Subject: Re: [tip:timers/urgent] clockevents: tTack broadcast device mode change in tick_broadcast_switch_to_oneshot() References: <1334011304.12400.81.camel@sbsiddha-desk.sc.intel.com> <1334205354.2583.1.camel@sbsiddha-mobl2> In-Reply-To: <1334205354.2583.1.camel@sbsiddha-mobl2> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/12/2012 12:35 PM, Suresh Siddha wrote: > On Thu, 2012-04-12 at 09:27 +0800, Alex Shi wrote: >> This patch recovered the loopback netperf testing on NHM machine, but >> on SNB machine, It isn't need a broadcost timer at all. >> >> Do you think it is better to remove oneshot broadcast on WSM/SNB machine? > > on WSM/SNB, we already don't use broadcast timer and always use > apictimer instead. Yes, you are right. I omitted this. Tick Device: mode: 1 Broadcast device Clock Event Device: hpet ... tick_broadcast_mask: 00000000 tick_broadcast_oneshot_mask: 00000000 > > thanks, > suresh >