diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/kprobes.c | 2 | ||||
-rw-r--r-- | kernel/printk.c | 2 | ||||
-rw-r--r-- | kernel/rcupreempt.c | 20 | ||||
-rw-r--r-- | kernel/sched.c | 7 |
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 | */ |
82 | struct kprobe_blackpoint kprobe_blacklist[] = { | 82 | static 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 1fb1382009f3..625d240d7ada 100644 --- a/kernel/printk.c +++ b/kernel/printk.c | |||
@@ -670,7 +670,7 @@ static int acquire_console_semaphore_for_printk(unsigned int cpu) | |||
670 | return retval; | 670 | return retval; |
671 | } | 671 | } |
672 | 672 | ||
673 | const char printk_recursion_bug_msg [] = | 673 | static const char printk_recursion_bug_msg [] = |
674 | KERN_CRIT "BUG: recent printk recursion!\n"; | 674 | KERN_CRIT "BUG: recent printk recursion!\n"; |
675 | static int printk_recursion_bug; | 675 | static int printk_recursion_bug; |
676 | 676 | ||
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 | ||
928 | void __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 | ||
939 | void rcu_offline_cpu(int cpu) | 930 | void rcu_offline_cpu(int cpu) |
940 | { | 931 | { |
941 | } | 932 | } |
942 | 933 | ||
943 | void __devinit rcu_online_cpu(int cpu) | 934 | #endif /* #else #ifdef CONFIG_HOTPLUG_CPU */ |
935 | |||
936 | void __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 | ||
949 | static void rcu_process_callbacks(struct softirq_action *unused) | 945 | static void rcu_process_callbacks(struct softirq_action *unused) |
950 | { | 946 | { |
diff --git a/kernel/sched.c b/kernel/sched.c index bcc22b569ee9..8402944f715b 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 | } |
5639 | done: | ||
5639 | ret = 1; | 5640 | ret = 1; |
5640 | out: | 5641 | fail: |
5641 | double_rq_unlock(rq_src, rq_dest); | 5642 | double_rq_unlock(rq_src, rq_dest); |
5642 | return ret; | 5643 | return ret; |
5643 | } | 5644 | } |