diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-28 12:31:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-28 12:31:49 -0700 |
| commit | 66833d5f3934a19d0988b7d0de58149bfd7a5884 (patch) | |
| tree | a34ce3de726fdd5d7617da51e3a06a3c7c309341 /kernel | |
| parent | 0234bf1d98ebd1cb8ea1630957f6d14170cc0ba0 (diff) | |
| parent | 2633f0e57b1127f4060d70bf460140dc9bb19386 (diff) | |
| download | lwn-66833d5f3934a19d0988b7d0de58149bfd7a5884.tar.gz lwn-66833d5f3934a19d0988b7d0de58149bfd7a5884.zip | |
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
exit signals: use of uninitialized field notify_count
lockdep: fix invalid list_del_rcu in zap_class
lockstat: repair erronous contention statistics
lockstat: fix numerical output rounding error
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/exit.c | 4 | ||||
| -rw-r--r-- | kernel/lockdep.c | 6 | ||||
| -rw-r--r-- | kernel/lockdep_proc.c | 3 |
3 files changed, 7 insertions, 6 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 38ec40630149..75c647387639 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -918,8 +918,8 @@ static void exit_notify(struct task_struct *tsk, int group_dead) /* mt-exec, de_thread() is waiting for us */ if (thread_group_leader(tsk) && - tsk->signal->notify_count < 0 && - tsk->signal->group_exit_task) + tsk->signal->group_exit_task && + tsk->signal->notify_count < 0) wake_up_process(tsk->signal->group_exit_task); write_unlock_irq(&tasklist_lock); diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 3bfb1877a003..dbda475b13bd 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -875,11 +875,11 @@ static int add_lock_to_list(struct lock_class *class, struct lock_class *this, if (!entry) return 0; - entry->class = this; - entry->distance = distance; if (!save_trace(&entry->trace)) return 0; + entry->class = this; + entry->distance = distance; /* * Since we never remove from the dependency list, the list can * be walked lockless by other CPUs, it's only allocation @@ -3029,7 +3029,7 @@ found_it: stats = get_lock_stats(hlock_class(hlock)); if (point < ARRAY_SIZE(stats->contention_point)) - stats->contention_point[i]++; + stats->contention_point[point]++; if (lock->cpu != smp_processor_id()) stats->bounces[bounce_contended + !!hlock->read]++; put_lock_stats(stats); diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c index 4b194d34d77f..20dbcbf9c7dd 100644 --- a/kernel/lockdep_proc.c +++ b/kernel/lockdep_proc.c @@ -472,8 +472,9 @@ static void snprint_time(char *buf, size_t bufsiz, s64 nr) { unsigned long rem; + nr += 5; /* for display rounding */ rem = do_div(nr, 1000); /* XXX: do_div_signed */ - snprintf(buf, bufsiz, "%lld.%02d", (long long)nr, ((int)rem+5)/10); + snprintf(buf, bufsiz, "%lld.%02d", (long long)nr, (int)rem/10); } static void seq_time(struct seq_file *m, s64 time) |