From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932602Ab1EFVF4 (ORCPT ); Fri, 6 May 2011 17:05:56 -0400 Received: from mga09.intel.com ([134.134.136.24]:33070 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756544Ab1EFVFx (ORCPT ); Fri, 6 May 2011 17:05:53 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.64,328,1301900400"; d="scan'208";a="639164488" From: Andi Kleen To: linux-kernel@vger.kernel.org Cc: peterz@infradead.org, arnd@arndb.de, akpm@linux-foundation.org, Andi Kleen Subject: [PATCH 3/4] SCHED: Don't use BKL count for idle preempt count initialization Date: Fri, 6 May 2011 14:05:27 -0700 Message-Id: <1304715928-19266-4-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1304715928-19266-1-git-send-email-andi@firstfloor.org> References: <1304715928-19266-1-git-send-email-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen No need for that ever as far as I can see. Just set it to 0. Signed-off-by: Andi Kleen --- kernel/sched.c | 5 +---- 1 files changed, 1 insertions(+), 4 deletions(-) diff --git a/kernel/sched.c b/kernel/sched.c index 7fa5334..f70b2cc 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5776,11 +5776,8 @@ void __cpuinit init_idle(struct task_struct *idle, int cpu) raw_spin_unlock_irqrestore(&rq->lock, flags); /* Set the preempt count _outside_ the spinlocks! */ -#if defined(CONFIG_PREEMPT) - task_thread_info(idle)->preempt_count = (idle->lock_depth >= 0); -#else task_thread_info(idle)->preempt_count = 0; -#endif + /* * The idle tasks have their own, simple scheduling class: */ -- 1.7.4.4