From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760309Ab2CMJp1 (ORCPT ); Tue, 13 Mar 2012 05:45:27 -0400 Received: from terminus.zytor.com ([198.137.202.10]:37878 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753926Ab2CMJpX (ORCPT ); Tue, 13 Mar 2012 05:45:23 -0400 Date: Tue, 13 Mar 2012 02:44:50 -0700 From: tip-bot for Catalin Marinas Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com, will.deacon@arm.com, catalin.marinas@arm.com, peterz@infradead.org, tglx@linutronix.de, frank.rowand@am.sony.com, Marc.Zyngier@arm.com, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, catalin.marinas@arm.com, will.deacon@arm.com, peterz@infradead.org, tglx@linutronix.de, frank.rowand@am.sony.com, Marc.Zyngier@arm.com, mingo@elte.hu To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/arch] sched/arch: Introduce the finish_arch_post_lock_switch() scheduler callback Git-Commit-ID: 01f23e1630d944f7085cd8fd5793e31ea91c03d8 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.6 (terminus.zytor.com [127.0.0.1]); Tue, 13 Mar 2012 02:44:57 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 01f23e1630d944f7085cd8fd5793e31ea91c03d8 Gitweb: http://git.kernel.org/tip/01f23e1630d944f7085cd8fd5793e31ea91c03d8 Author: Catalin Marinas AuthorDate: Sun, 27 Nov 2011 21:43:10 +0000 Committer: Ingo Molnar CommitDate: Tue, 13 Mar 2012 10:17:45 +0100 sched/arch: Introduce the finish_arch_post_lock_switch() scheduler callback This callback is called by the scheduler after rq->lock has been released and interrupts enabled. It will be used in subsequent patches on the ARM architecture. Signed-off-by: Catalin Marinas Reviewed-by: Will Deacon Reviewed-by: Frank Rowand Tested-by: Will Deacon Tested-by: Marc Zyngier Acked-by: Peter Zijlstra Link: http://lkml.kernel.org/n/20120313110840.7b444deb6b1bb902c15f3cdf@canb.auug.org.au Signed-off-by: Ingo Molnar --- kernel/sched/core.c | 1 + kernel/sched/sched.h | 3 +++ 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index b342f57..423f40f 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1932,6 +1932,7 @@ static void finish_task_switch(struct rq *rq, struct task_struct *prev) local_irq_enable(); #endif /* __ARCH_WANT_INTERRUPTS_ON_CTXSW */ finish_lock_switch(rq, prev); + finish_arch_post_lock_switch(); fire_sched_in_preempt_notifiers(current); if (mm) diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 98c0c26..d72483d 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -692,6 +692,9 @@ static inline int task_running(struct rq *rq, struct task_struct *p) #ifndef finish_arch_switch # define finish_arch_switch(prev) do { } while (0) #endif +#ifndef finish_arch_post_lock_switch +# define finish_arch_post_lock_switch() do { } while (0) +#endif #ifndef __ARCH_WANT_UNLOCKED_CTXSW static inline void prepare_lock_switch(struct rq *rq, struct task_struct *next)