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authorNeil Brown <neilb@suse.de>2008-07-11 07:57:40 -0400
committerNeil Brown <neilb@suse.de>2008-07-11 07:57:40 -0400
commit0306d5efbf897c7d410fd30b89fc7d97372aa501 (patch)
tree668811bca39ca7c1585da88d52ec2f0a43216c0e /kernel
parentf9f278fefdbbbf198bb4111b3fba47d9043dae59 (diff)
parente5a5816f7875207cb0a0a7032e39a4686c5e10a4 (diff)
Merge branch 'master' into for-next
Diffstat (limited to 'kernel')
-rw-r--r--kernel/kprobes.c2
-rw-r--r--kernel/printk.c2
-rw-r--r--kernel/rcupreempt.c20
-rw-r--r--kernel/sched.c7
4 files changed, 14 insertions, 17 deletions
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index d4998f81e229..1485ca8d0e00 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -79,7 +79,7 @@ static DEFINE_PER_CPU(struct kprobe *, kprobe_instance) = NULL;
79 * 79 *
80 * For such cases, we now have a blacklist 80 * For such cases, we now have a blacklist
81 */ 81 */
82struct kprobe_blackpoint kprobe_blacklist[] = { 82static struct kprobe_blackpoint kprobe_blacklist[] = {
83 {"preempt_schedule",}, 83 {"preempt_schedule",},
84 {NULL} /* Terminator */ 84 {NULL} /* Terminator */
85}; 85};
diff --git a/kernel/printk.c b/kernel/printk.c
index 8fb01c32aa3b..e2129e83fd75 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -666,7 +666,7 @@ static int acquire_console_semaphore_for_printk(unsigned int cpu)
666 return retval; 666 return retval;
667} 667}
668 668
669const char printk_recursion_bug_msg [] = 669static const char printk_recursion_bug_msg [] =
670 KERN_CRIT "BUG: recent printk recursion!\n"; 670 KERN_CRIT "BUG: recent printk recursion!\n";
671static int printk_recursion_bug; 671static int printk_recursion_bug;
672 672
diff --git a/kernel/rcupreempt.c b/kernel/rcupreempt.c
index 5e02b7740702..41d275a81df5 100644
--- a/kernel/rcupreempt.c
+++ b/kernel/rcupreempt.c
@@ -925,26 +925,22 @@ void rcu_offline_cpu(int cpu)
925 spin_unlock_irqrestore(&rdp->lock, flags); 925 spin_unlock_irqrestore(&rdp->lock, flags);
926} 926}
927 927
928void __devinit rcu_online_cpu(int cpu)
929{
930 unsigned long flags;
931
932 spin_lock_irqsave(&rcu_ctrlblk.fliplock, flags);
933 cpu_set(cpu, rcu_cpu_online_map);
934 spin_unlock_irqrestore(&rcu_ctrlblk.fliplock, flags);
935}
936
937#else /* #ifdef CONFIG_HOTPLUG_CPU */ 928#else /* #ifdef CONFIG_HOTPLUG_CPU */
938 929
939void rcu_offline_cpu(int cpu) 930void rcu_offline_cpu(int cpu)
940{ 931{
941} 932}
942 933
943void __devinit rcu_online_cpu(int cpu) 934#endif /* #else #ifdef CONFIG_HOTPLUG_CPU */
935
936void __cpuinit rcu_online_cpu(int cpu)
944{ 937{
945} 938 unsigned long flags;
946 939
947#endif /* #else #ifdef CONFIG_HOTPLUG_CPU */ 940 spin_lock_irqsave(&rcu_ctrlblk.fliplock, flags);
941 cpu_set(cpu, rcu_cpu_online_map);
942 spin_unlock_irqrestore(&rcu_ctrlblk.fliplock, flags);
943}
948 944
949static void rcu_process_callbacks(struct softirq_action *unused) 945static void rcu_process_callbacks(struct softirq_action *unused)
950{ 946{
diff --git a/kernel/sched.c b/kernel/sched.c
index 94ead43eda62..4e2f60335656 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5622,10 +5622,10 @@ static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu)
5622 double_rq_lock(rq_src, rq_dest); 5622 double_rq_lock(rq_src, rq_dest);
5623 /* Already moved. */ 5623 /* Already moved. */
5624 if (task_cpu(p) != src_cpu) 5624 if (task_cpu(p) != src_cpu)
5625 goto out; 5625 goto done;
5626 /* Affinity changed (again). */ 5626 /* Affinity changed (again). */
5627 if (!cpu_isset(dest_cpu, p->cpus_allowed)) 5627 if (!cpu_isset(dest_cpu, p->cpus_allowed))
5628 goto out; 5628 goto fail;
5629 5629
5630 on_rq = p->se.on_rq; 5630 on_rq = p->se.on_rq;
5631 if (on_rq) 5631 if (on_rq)
@@ -5636,8 +5636,9 @@ static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu)
5636 activate_task(rq_dest, p, 0); 5636 activate_task(rq_dest, p, 0);
5637 check_preempt_curr(rq_dest, p); 5637 check_preempt_curr(rq_dest, p);
5638 } 5638 }
5639done:
5639 ret = 1; 5640 ret = 1;
5640out: 5641fail:
5641 double_rq_unlock(rq_src, rq_dest); 5642 double_rq_unlock(rq_src, rq_dest);
5642 return ret; 5643 return ret;
5643} 5644}