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 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 | ||
669 | const char printk_recursion_bug_msg [] = | 669 | static const char printk_recursion_bug_msg [] = |
670 | KERN_CRIT "BUG: recent printk recursion!\n"; | 670 | KERN_CRIT "BUG: recent printk recursion!\n"; |
671 | static int printk_recursion_bug; | 671 | static 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 | ||
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 827c1b416da6..d16c8d9fbd8b 100644 --- a/kernel/sched.c +++ b/kernel/sched.c | |||
@@ -5810,10 +5810,10 @@ static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu) | |||
5810 | double_rq_lock(rq_src, rq_dest); | 5810 | double_rq_lock(rq_src, rq_dest); |
5811 | /* Already moved. */ | 5811 | /* Already moved. */ |
5812 | if (task_cpu(p) != src_cpu) | 5812 | if (task_cpu(p) != src_cpu) |
5813 | goto out; | 5813 | goto done; |
5814 | /* Affinity changed (again). */ | 5814 | /* Affinity changed (again). */ |
5815 | if (!cpu_isset(dest_cpu, p->cpus_allowed)) | 5815 | if (!cpu_isset(dest_cpu, p->cpus_allowed)) |
5816 | goto out; | 5816 | goto fail; |
5817 | 5817 | ||
5818 | on_rq = p->se.on_rq; | 5818 | on_rq = p->se.on_rq; |
5819 | if (on_rq) | 5819 | if (on_rq) |
@@ -5824,8 +5824,9 @@ static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu) | |||
5824 | activate_task(rq_dest, p, 0); | 5824 | activate_task(rq_dest, p, 0); |
5825 | check_preempt_curr(rq_dest, p); | 5825 | check_preempt_curr(rq_dest, p); |
5826 | } | 5826 | } |
5827 | done: | ||
5827 | ret = 1; | 5828 | ret = 1; |
5828 | out: | 5829 | fail: |
5829 | double_rq_unlock(rq_src, rq_dest); | 5830 | double_rq_unlock(rq_src, rq_dest); |
5830 | return ret; | 5831 | return ret; |
5831 | } | 5832 | } |