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authorArnd Bergmann <arnd@arndb.de>2012-02-24 07:39:18 -0500
committerArnd Bergmann <arnd@arndb.de>2012-02-24 07:39:18 -0500
commitfdc24d4ba20499febb90ff17d3b75674026712f8 (patch)
tree83cebb162add24be7b395090b4daca4bd752641b /kernel/sched/core.c
parenta5f17d1f4c2831b9b9bf8b1a537cdbac995d6e13 (diff)
parent059289b260826deb43601644a7ad39c2608e6861 (diff)
Merge branch 'vexpress-dt-v3.3-rc4' of git://git.linaro.org/people/pawelmoll/linux into next/dt
* 'vexpress-dt-v3.3-rc4' of git://git.linaro.org/people/pawelmoll/linux: (573 commits) ARM: vexpress: Add Device Tree for V2P-CA15 core tile (TC1 variant) ARM: vexpress: Add Device Tree for V2P-CA9 core tile ARM: vexpress: Add Device Tree for V2P-CA5s core tile ARM: vexpress: Motherboard RS1 memory map support ARM: vexpress: Add Device Tree support ARM: vexpress: Use FDT data in platform SMP calls ARM: versatile: Map local timers using Device Tree when possible ARM: vexpress: Get rid of MMIO_P2V This adds full device tree boot support for the versatile express platform, as has been awaited for a long time. Conflicts: arch/arm/mach-vexpress/core.h The definition of AMBA_DEVICE was removed in one branch, and the definition of MMIO_P2V was removed in the other branch. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'kernel/sched/core.c')
-rw-r--r--kernel/sched/core.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index df00cb09263e..5255c9d2e053 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -74,6 +74,7 @@
74 74
75#include <asm/tlb.h> 75#include <asm/tlb.h>
76#include <asm/irq_regs.h> 76#include <asm/irq_regs.h>
77#include <asm/mutex.h>
77#ifdef CONFIG_PARAVIRT 78#ifdef CONFIG_PARAVIRT
78#include <asm/paravirt.h> 79#include <asm/paravirt.h>
79#endif 80#endif
@@ -723,9 +724,6 @@ static void dequeue_task(struct rq *rq, struct task_struct *p, int flags)
723 p->sched_class->dequeue_task(rq, p, flags); 724 p->sched_class->dequeue_task(rq, p, flags);
724} 725}
725 726
726/*
727 * activate_task - move a task to the runqueue.
728 */
729void activate_task(struct rq *rq, struct task_struct *p, int flags) 727void activate_task(struct rq *rq, struct task_struct *p, int flags)
730{ 728{
731 if (task_contributes_to_load(p)) 729 if (task_contributes_to_load(p))
@@ -734,9 +732,6 @@ void activate_task(struct rq *rq, struct task_struct *p, int flags)
734 enqueue_task(rq, p, flags); 732 enqueue_task(rq, p, flags);
735} 733}
736 734
737/*
738 * deactivate_task - remove a task from the runqueue.
739 */
740void deactivate_task(struct rq *rq, struct task_struct *p, int flags) 735void deactivate_task(struct rq *rq, struct task_struct *p, int flags)
741{ 736{
742 if (task_contributes_to_load(p)) 737 if (task_contributes_to_load(p))
@@ -4134,7 +4129,7 @@ recheck:
4134 on_rq = p->on_rq; 4129 on_rq = p->on_rq;
4135 running = task_current(rq, p); 4130 running = task_current(rq, p);
4136 if (on_rq) 4131 if (on_rq)
4137 deactivate_task(rq, p, 0); 4132 dequeue_task(rq, p, 0);
4138 if (running) 4133 if (running)
4139 p->sched_class->put_prev_task(rq, p); 4134 p->sched_class->put_prev_task(rq, p);
4140 4135
@@ -4147,7 +4142,7 @@ recheck:
4147 if (running) 4142 if (running)
4148 p->sched_class->set_curr_task(rq); 4143 p->sched_class->set_curr_task(rq);
4149 if (on_rq) 4144 if (on_rq)
4150 activate_task(rq, p, 0); 4145 enqueue_task(rq, p, 0);
4151 4146
4152 check_class_changed(rq, p, prev_class, oldprio); 4147 check_class_changed(rq, p, prev_class, oldprio);
4153 task_rq_unlock(rq, p, &flags); 4148 task_rq_unlock(rq, p, &flags);
@@ -4998,9 +4993,9 @@ static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu)
4998 * placed properly. 4993 * placed properly.
4999 */ 4994 */
5000 if (p->on_rq) { 4995 if (p->on_rq) {
5001 deactivate_task(rq_src, p, 0); 4996 dequeue_task(rq_src, p, 0);
5002 set_task_cpu(p, dest_cpu); 4997 set_task_cpu(p, dest_cpu);
5003 activate_task(rq_dest, p, 0); 4998 enqueue_task(rq_dest, p, 0);
5004 check_preempt_curr(rq_dest, p, 0); 4999 check_preempt_curr(rq_dest, p, 0);
5005 } 5000 }
5006done: 5001done:
@@ -7032,10 +7027,10 @@ static void normalize_task(struct rq *rq, struct task_struct *p)
7032 7027
7033 on_rq = p->on_rq; 7028 on_rq = p->on_rq;
7034 if (on_rq) 7029 if (on_rq)
7035 deactivate_task(rq, p, 0); 7030 dequeue_task(rq, p, 0);
7036 __setscheduler(rq, p, SCHED_NORMAL, 0); 7031 __setscheduler(rq, p, SCHED_NORMAL, 0);
7037 if (on_rq) { 7032 if (on_rq) {
7038 activate_task(rq, p, 0); 7033 enqueue_task(rq, p, 0);
7039 resched_task(rq->curr); 7034 resched_task(rq->curr);
7040 } 7035 }
7041 7036