Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964842Ab2KNQ1V (ORCPT ); Wed, 14 Nov 2012 11:27:21 -0500 Received: from mail-vb0-f46.google.com ([209.85.212.46]:39817 "EHLO mail-vb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161278Ab2KNQ1Q (ORCPT ); Wed, 14 Nov 2012 11:27:16 -0500 From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Peter Zijlstra , Ingo Molnar , Thomas Gleixner , Steven Rostedt , Paul Gortmaker , Tony Luck , Fenghua Yu , Benjamin Herrenschmidt , Paul Mackerras , Martin Schwidefsky , Heiko Carstens Subject: [PATCH 4/4] vtime: No need to disable irqs on vtime_account() Date: Wed, 14 Nov 2012 17:26:53 +0100 Message-Id: <1352910413-10759-5-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1352910413-10759-1-git-send-email-fweisbec@gmail.com> References: <1352910413-10759-1-git-send-email-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1601 Lines: 49 vtime_account() is only called from irq entry. irqs are always disabled at this point so we can safely remove the irq disabling guards on that function. Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Thomas Gleixner Cc: Steven Rostedt Cc: Paul Gortmaker Cc: Tony Luck Cc: Fenghua Yu Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Martin Schwidefsky Cc: Heiko Carstens --- kernel/sched/cputime.c | 6 ------ 1 files changed, 0 insertions(+), 6 deletions(-) diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 2e8d34a..80b2fd5 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -467,16 +467,10 @@ void vtime_task_switch(struct task_struct *prev) #ifndef __ARCH_HAS_VTIME_ACCOUNT void vtime_account(struct task_struct *tsk) { - unsigned long flags; - - local_irq_save(flags); - if (in_interrupt() || !is_idle_task(tsk)) vtime_account_system(tsk); else vtime_account_idle(tsk); - - local_irq_restore(flags); } EXPORT_SYMBOL_GPL(vtime_account); #endif /* __ARCH_HAS_VTIME_ACCOUNT */ -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/