diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-09-14 17:11:46 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-14 17:11:46 +0200 |
| commit | 5ce73a4a5a4893a1aa4cdeed1b1a5a6de42c43b6 (patch) | |
| tree | 7d5207fa5c11d05b515321ffd53082440c312d16 | |
| parent | 0a8eaa4f9b58759595a1bfe13a1295fdc25ba026 (diff) | |
timers: fix itimer/many thread hang, cleanups
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | include/linux/sched.h | 2 | ||||
| -rw-r--r-- | kernel/posix-cpu-timers.c | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index ed355f02d32..7ce8d4e5356 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -430,7 +430,7 @@ struct pacct_struct { * @utime: time spent in user mode, in &cputime_t units * @stime: time spent in kernel mode, in &cputime_t units * @sum_exec_runtime: total time spent on the CPU, in nanoseconds - * + * * This structure groups together three kinds of CPU time that are * tracked for threads and thread groups. Most things considering * CPU time want to group these counts together and treat all three diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index dba1c334c3e..9a7ea049fcd 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -94,7 +94,7 @@ void update_rlimit_cpu(unsigned long rlim_new) cputime = secs_to_cputime(rlim_new); if (cputime_eq(current->signal->it_prof_expires, cputime_zero) || - cputime_lt(current->signal->it_prof_expires, cputime)) { + cputime_lt(current->signal->it_prof_expires, cputime)) { spin_lock_irq(¤t->sighand->siglock); set_process_cpu_timer(current, CPUCLOCK_PROF, &cputime, NULL); spin_unlock_irq(¤t->sighand->siglock); @@ -1372,9 +1372,9 @@ void run_posix_cpu_timers(struct task_struct *tsk) * tsk->signal is non-NULL; this probably can't happen but cover the * possibility anyway. */ - if (unlikely(!sig) || !fastpath_timer_check(tsk, sig)) { + if (unlikely(!sig) || !fastpath_timer_check(tsk, sig)) return; - } + sighand = lock_task_sighand(tsk, &flags); if (likely(sighand)) { /* |