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author | Ingo Molnar <mingo@elte.hu> | 2008-07-13 08:50:13 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-13 08:50:13 +0200 |
commit | 54ef76f37bcccf8c16fbaaed13c3c40825195958 (patch) | |
tree | 59afdb95e68f2fbac2550aa42135921086649c38 /kernel | |
parent | Merge commit 'v2.6.26-rc9' into sched/devel (diff) | |
parent | Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kern... (diff) | |
download | linux-54ef76f37bcccf8c16fbaaed13c3c40825195958.tar.xz linux-54ef76f37bcccf8c16fbaaed13c3c40825195958.zip |
Merge branch 'linus' into sched/devel
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; * * For such cases, we now have a blacklist */ -struct kprobe_blackpoint kprobe_blacklist[] = { +static struct kprobe_blackpoint kprobe_blacklist[] = { {"preempt_schedule",}, {NULL} /* Terminator */ }; 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) return retval; } -const char printk_recursion_bug_msg [] = +static const char printk_recursion_bug_msg [] = KERN_CRIT "BUG: recent printk recursion!\n"; static int printk_recursion_bug; 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) spin_unlock_irqrestore(&rdp->lock, flags); } -void __devinit rcu_online_cpu(int cpu) -{ - unsigned long flags; - - spin_lock_irqsave(&rcu_ctrlblk.fliplock, flags); - cpu_set(cpu, rcu_cpu_online_map); - spin_unlock_irqrestore(&rcu_ctrlblk.fliplock, flags); -} - #else /* #ifdef CONFIG_HOTPLUG_CPU */ void rcu_offline_cpu(int cpu) { } -void __devinit rcu_online_cpu(int cpu) +#endif /* #else #ifdef CONFIG_HOTPLUG_CPU */ + +void __cpuinit rcu_online_cpu(int cpu) { -} + unsigned long flags; -#endif /* #else #ifdef CONFIG_HOTPLUG_CPU */ + spin_lock_irqsave(&rcu_ctrlblk.fliplock, flags); + cpu_set(cpu, rcu_cpu_online_map); + spin_unlock_irqrestore(&rcu_ctrlblk.fliplock, flags); +} static void rcu_process_callbacks(struct softirq_action *unused) { 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) double_rq_lock(rq_src, rq_dest); /* Already moved. */ if (task_cpu(p) != src_cpu) - goto out; + goto done; /* Affinity changed (again). */ if (!cpu_isset(dest_cpu, p->cpus_allowed)) - goto out; + goto fail; on_rq = p->se.on_rq; if (on_rq) @@ -5824,8 +5824,9 @@ static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu) activate_task(rq_dest, p, 0); check_preempt_curr(rq_dest, p); } +done: ret = 1; -out: +fail: double_rq_unlock(rq_src, rq_dest); return ret; } |