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Date: Thu, 1 Mar 2012 04:18:18 -0800
From: tip-bot for Thomas Gleixner <tglx@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
a.p.zijlstra@...llo.nl, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:sched/core] sched/rt: Use schedule_preempt_disabled()
Commit-ID: bd2f55361f18347e890d52ff9cfd8895455ec11b
Gitweb: http://git.kernel.org/tip/bd2f55361f18347e890d52ff9cfd8895455ec11b
Author: Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Mon, 21 Mar 2011 12:33:18 +0100
Committer: Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 1 Mar 2012 10:28:03 +0100
sched/rt: Use schedule_preempt_disabled()
Coccinelle based conversion.
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/n/tip-24swm5zut3h9c4a6s46x8rws@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
arch/arm/kernel/process.c | 4 +---
arch/avr32/kernel/process.c | 4 +---
arch/blackfin/kernel/process.c | 4 +---
arch/cris/kernel/process.c | 4 +---
arch/frv/kernel/process.c | 4 +---
arch/h8300/kernel/process.c | 4 +---
arch/ia64/kernel/process.c | 4 +---
arch/m32r/kernel/process.c | 4 +---
arch/m68k/kernel/process_mm.c | 4 +---
arch/m68k/kernel/process_no.c | 4 +---
arch/microblaze/kernel/process.c | 4 +---
arch/mips/kernel/process.c | 4 +---
arch/mn10300/kernel/process.c | 4 +---
arch/parisc/kernel/process.c | 4 +---
arch/powerpc/kernel/idle.c | 8 ++++----
arch/powerpc/platforms/iseries/setup.c | 8 ++------
arch/s390/kernel/process.c | 4 +---
arch/score/kernel/process.c | 4 +---
arch/sh/kernel/idle.c | 4 +---
arch/sparc/kernel/process_32.c | 8 ++------
arch/sparc/kernel/process_64.c | 10 ++++------
arch/tile/kernel/process.c | 4 +---
arch/x86/kernel/process_32.c | 4 +---
arch/x86/kernel/process_64.c | 4 +---
arch/xtensa/kernel/process.c | 4 +---
init/main.c | 5 +----
kernel/mutex.c | 4 +---
kernel/softirq.c | 4 +---
28 files changed, 36 insertions(+), 95 deletions(-)
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 971d65c..c2ae3cd 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -239,9 +239,7 @@ void cpu_idle(void)
leds_event(led_idle_end);
rcu_idle_exit();
tick_nohz_idle_exit();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index ea33957..92c5af9 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -40,9 +40,7 @@ void cpu_idle(void)
cpu_idle_sleep();
rcu_idle_exit();
tick_nohz_idle_exit();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 8dd0416..a80a643 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -94,9 +94,7 @@ void cpu_idle(void)
idle();
rcu_idle_exit();
tick_nohz_idle_exit();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c
index aa585e4..d8f50ff 100644
--- a/arch/cris/kernel/process.c
+++ b/arch/cris/kernel/process.c
@@ -115,9 +115,7 @@ void cpu_idle (void)
idle = default_idle;
idle();
}
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index 3901df1..29cc497 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -92,9 +92,7 @@ void cpu_idle(void)
idle();
}
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c
index 933bd38..1a173b3 100644
--- a/arch/h8300/kernel/process.c
+++ b/arch/h8300/kernel/process.c
@@ -81,9 +81,7 @@ void cpu_idle(void)
while (1) {
while (!need_resched())
idle();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 6d33c5c..9dc52b6 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -330,9 +330,7 @@ cpu_idle (void)
normal_xtp();
#endif
}
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
check_pgt_cache();
if (cpu_is_offline(cpu))
play_dead();
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
index 422bea9..3a4a32b 100644
--- a/arch/m32r/kernel/process.c
+++ b/arch/m32r/kernel/process.c
@@ -90,9 +90,7 @@ void cpu_idle (void)
idle();
}
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/m68k/kernel/process_mm.c b/arch/m68k/kernel/process_mm.c
index 099283e..fe4186b 100644
--- a/arch/m68k/kernel/process_mm.c
+++ b/arch/m68k/kernel/process_mm.c
@@ -78,9 +78,7 @@ void cpu_idle(void)
while (1) {
while (!need_resched())
idle();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/m68k/kernel/process_no.c b/arch/m68k/kernel/process_no.c
index 5e1078c..f7fe6c3 100644
--- a/arch/m68k/kernel/process_no.c
+++ b/arch/m68k/kernel/process_no.c
@@ -73,9 +73,7 @@ void cpu_idle(void)
/* endless idle loop with no priority at all */
while (1) {
idle();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index 7dcb5bf..9155f7d 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -110,9 +110,7 @@ void cpu_idle(void)
rcu_idle_exit();
tick_nohz_idle_exit();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
check_pgt_cache();
}
}
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 7955409..61f1cb4 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -80,9 +80,7 @@ void __noreturn cpu_idle(void)
#endif
rcu_idle_exit();
tick_nohz_idle_exit();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c
index 28eec31..cac401d 100644
--- a/arch/mn10300/kernel/process.c
+++ b/arch/mn10300/kernel/process.c
@@ -123,9 +123,7 @@ void cpu_idle(void)
idle();
}
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 62c60b8..d4b94b3 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -71,9 +71,7 @@ void cpu_idle(void)
while (1) {
while (!need_resched())
barrier();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
check_pgt_cache();
}
}
diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c
index 0a48bf5..6503514 100644
--- a/arch/powerpc/kernel/idle.c
+++ b/arch/powerpc/kernel/idle.c
@@ -101,11 +101,11 @@ void cpu_idle(void)
ppc64_runlatch_on();
rcu_idle_exit();
tick_nohz_idle_exit();
- preempt_enable_no_resched();
- if (cpu_should_die())
+ if (cpu_should_die()) {
+ preempt_enable_no_resched();
cpu_die();
- schedule();
- preempt_disable();
+ }
+ schedule_preempt_disabled();
}
}
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 8fc6258..a5fbf4c 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -584,9 +584,7 @@ static void iseries_shared_idle(void)
if (hvlpevent_is_pending())
process_iSeries_events();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
@@ -615,9 +613,7 @@ static void iseries_dedicated_idle(void)
ppc64_runlatch_on();
rcu_idle_exit();
tick_nohz_idle_exit();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index e795933..7618085 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -97,9 +97,7 @@ void cpu_idle(void)
tick_nohz_idle_exit();
if (test_thread_flag(TIF_MCCK_PENDING))
s390_handle_mcck();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c
index 25d0803..2707023 100644
--- a/arch/score/kernel/process.c
+++ b/arch/score/kernel/process.c
@@ -53,9 +53,7 @@ void __noreturn cpu_idle(void)
while (!need_resched())
barrier();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c
index 406508d..7e48928 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -114,9 +114,7 @@ void cpu_idle(void)
rcu_idle_exit();
tick_nohz_idle_exit();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index f793742..935fdbc 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -113,9 +113,7 @@ void cpu_idle(void)
while (!need_resched())
cpu_relax();
}
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
check_pgt_cache();
}
}
@@ -138,9 +136,7 @@ void cpu_idle(void)
while (!need_resched())
cpu_relax();
}
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
check_pgt_cache();
}
}
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index 39d8b05..ab9a292 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -104,15 +104,13 @@ void cpu_idle(void)
rcu_idle_exit();
tick_nohz_idle_exit();
- preempt_enable_no_resched();
-
#ifdef CONFIG_HOTPLUG_CPU
- if (cpu_is_offline(cpu))
+ if (cpu_is_offline(cpu)) {
+ preempt_enable_no_resched();
cpu_play_dead();
+ }
#endif
-
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c
index 4c1ac6e..6ae495e 100644
--- a/arch/tile/kernel/process.c
+++ b/arch/tile/kernel/process.c
@@ -108,9 +108,7 @@ void cpu_idle(void)
}
rcu_idle_exit();
tick_nohz_idle_exit();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index c08d1ff..49888fe 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -119,9 +119,7 @@ void cpu_idle(void)
}
rcu_idle_exit();
tick_nohz_idle_exit();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index cfa5c90..e34257c 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -156,9 +156,7 @@ void cpu_idle(void)
}
tick_nohz_idle_exit();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 47041e7..2c90047 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -113,9 +113,7 @@ void cpu_idle(void)
while (1) {
while (!need_resched())
platform_idle();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
}
diff --git a/init/main.c b/init/main.c
index ff49a6d..4990f7e 100644
--- a/init/main.c
+++ b/init/main.c
@@ -374,11 +374,8 @@ static noinline void __init_refok rest_init(void)
* at least once to get things moving:
*/
init_idle_bootup_task(current);
- preempt_enable_no_resched();
- schedule();
-
+ schedule_preempt_disabled();
/* Call into cpu_idle with preempt disabled */
- preempt_disable();
cpu_idle();
}
diff --git a/kernel/mutex.c b/kernel/mutex.c
index 89096dd..a307cc9 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -240,9 +240,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
/* didn't get the lock, go to sleep: */
spin_unlock_mutex(&lock->wait_lock, flags);
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
spin_lock_mutex(&lock->wait_lock, flags);
}
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 4eb3a0f..79b5247 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -744,9 +744,7 @@ static int run_ksoftirqd(void * __bind_cpu)
while (!kthread_should_stop()) {
preempt_disable();
if (!local_softirq_pending()) {
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ schedule_preempt_disabled();
}
__set_current_state(TASK_RUNNING);
--
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