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From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org,
	linux-rt-users <linux-rt-users@vger.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Carsten Emde <C.Emde@osadl.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	John Kacur <jkacur@redhat.com>,
	Paul Gortmaker <paul.gortmaker@windriver.com>,
	Mike Galbraith <umgwanakikbuti@gmail.com>,
	Hillf Danton <hillf.zj@alibaba-inc.com>
Subject: [PATCH RT 13/20] sched,rt: __always_inline preemptible_lazy()
Date: Wed, 02 Mar 2016 10:37:11 -0500	[thread overview]
Message-ID: <20160302153716.726732574@goodmis.org> (raw)
In-Reply-To: 20160302153658.995489487@goodmis.org

[-- Attachment #1: 0013-sched-rt-__always_inline-preemptible_lazy.patch --]
[-- Type: text/plain, Size: 1267 bytes --]

3.18.27-rt27-rc1 stable review patch.
If anyone has any objections, please let me know.

------------------

From: Mike Galbraith <umgwanakikbuti@gmail.com>

homer: # nm kernel/sched/core.o|grep preemptible_lazy
00000000000000b5 t preemptible_lazy

echo wakeup_rt > current_tracer ==> Welcome to infinity.

Signed-off-by: Mike Galbraith <umgwanakikbuti@gmail.com>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-rt-users <linux-rt-users@vger.kernel.org>
Link: http://lkml.kernel.org/r/1456067490.3771.2.camel@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/sched/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 24c7ced53555..ae3694ede40a 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3170,7 +3170,7 @@ void __sched schedule_preempt_disabled(void)
  * set by a RT task. Oterwise we try to avoid beeing scheduled out as long as
  * preempt_lazy_count counter >0.
  */
-static int preemptible_lazy(void)
+static __always_inline int preemptible_lazy(void)
 {
 	if (test_thread_flag(TIF_NEED_RESCHED))
 		return 1;
-- 
2.7.0

  parent reply	other threads:[~2016-03-02 15:37 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-02 15:36 [PATCH RT 00/20] Linux 3.18.27-rt27-rc1 Steven Rostedt
2016-03-02 15:36 ` [PATCH RT 01/20] sched: reset tasks lockless wake-queues on fork() Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 02/20] ptrace: dont open IRQs in ptrace_freeze_traced() too early Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 03/20] net: move xmit_recursion to per-task variable on -RT Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 04/20] preempt-lazy: Add the lazy-preemption check to preempt_schedule() Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 05/20] softirq: split timer softirqs out of ksoftirqd Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 06/20] net: provide a way to delegate processing a softirq to ksoftirqd Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 07/20] latencyhist: disable jump-labels Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 08/20] arm64: replace read_lock to rcu lock in call_step_hook Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 09/20] kernel: migrate_disable() do fastpath in atomic & irqs-off Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 10/20] kernel: softirq: unlock with irqs on Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 11/20] kernel/stop_machine: partly revert "stop_machine: Use raw spinlocks" Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 12/20] tick/broadcast: Make broadcast hrtimer irqsafe Steven Rostedt
2016-03-02 15:37 ` Steven Rostedt [this message]
2016-03-02 15:37 ` [PATCH RT 14/20] drm,radeon,i915: Use preempt_disable/enable_rt() where recommended Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 15/20] drm,i915: Use local_lock/unlock_irq() in intel_pipe_update_start/end() Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 16/20] trace: Use rcuidle version for preemptoff_hist trace point Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 17/20] f2fs: Mutex cant be used by down_write_nest_lock() Steven Rostedt
2016-03-02 15:37   ` Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 18/20] rcu/torture: Comment out rcu_bh ops on PREEMPT_RT_FULL Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 19/20] kernel: sched: Fix preempt_disable_ip recodring for preempt_disable() Steven Rostedt
2016-03-02 15:37 ` [PATCH RT 20/20] Linux 3.18.27-rt27-rc1 Steven Rostedt

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