From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946355AbXD3Qi6 (ORCPT ); Mon, 30 Apr 2007 12:38:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1946365AbXD3Qi6 (ORCPT ); Mon, 30 Apr 2007 12:38:58 -0400 Received: from accolon.hansenpartnership.com ([64.109.89.108]:42110 "EHLO accolon.hansenpartnership.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1946355AbXD3Qi5 (ORCPT ); Mon, 30 Apr 2007 12:38:57 -0400 Subject: [PATCH] fix dynticks for voyager From: James Bottomley To: Thomas Gleixner Cc: linux-kernel Content-Type: text/plain Date: Mon, 30 Apr 2007 11:38:51 -0500 Message-Id: <1177951131.3674.37.camel@mulgrave.il.steeleye.com> Mime-Version: 1.0 X-Mailer: Evolution 2.8.3 (2.8.3-2.fc6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org As usual voyager tripped over an explicit boot CPU is zero assumption in the dynticks code. This is the fix I have queued in the voyager tree. James --- >>From 5d3e489cf8fcf12eff92476098b9bfa0120ee3c7 Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Mon, 30 Apr 2007 11:27:25 -0500 Subject: [VOYAGER] clockevents: correct boot cpu is zero assumption This isn't true for voyager, so alter setup_pit_timer() to initialise the cpumask from the current processor id (which should be the boot processor) rather than defaulting to zero. Signed-off-by: James Bottomley --- arch/i386/kernel/i8253.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/i386/kernel/i8253.c b/arch/i386/kernel/i8253.c index 10cef5c..f8a3c40 100644 --- a/arch/i386/kernel/i8253.c +++ b/arch/i386/kernel/i8253.c @@ -110,7 +110,7 @@ void __init setup_pit_timer(void) * Start pit with the boot cpu mask and make it global after the * IO_APIC has been initialized. */ - pit_clockevent.cpumask = cpumask_of_cpu(0); + pit_clockevent.cpumask = cpumask_of_cpu(smp_processor_id()); pit_clockevent.mult = div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC, 32); pit_clockevent.max_delta_ns = clockevent_delta2ns(0x7FFF, &pit_clockevent); -- 1.4.4.4