Merge branch 'topic/pcm-estrpipe-in-pm' into for-linus

[pandora-kernel.git] / kernel / posix-cpu-timers.c

diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
index 8e5d9a6..e33a21c 100644 (file)
--- a/kernel/posix-cpu-timers.c
+++ b/kernel/posix-cpu-timers.c
@@ -18,7 +18,7 @@ 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_gt(current->signal->it_prof_expires, cputime)) {
                spin_lock_irq(&current->sighand->siglock);
                set_process_cpu_timer(current, CPUCLOCK_PROF, &cputime, NULL);
                spin_unlock_irq(&current->sighand->siglock);
@@ -224,7 +224,7 @@ static int cpu_clock_sample(const clockid_t which_clock, struct task_struct *p,
                cpu->cpu = virt_ticks(p);
                break;
        case CPUCLOCK_SCHED:
-               cpu->sched = p->se.sum_exec_runtime + task_delta_exec(p);
+               cpu->sched = task_sched_runtime(p);
                break;
        }
        return 0;
@@ -305,18 +305,19 @@ static int cpu_clock_sample_group(const clockid_t which_clock,
 {
        struct task_cputime cputime;
 
-       thread_group_cputime(p, &cputime);
        switch (CPUCLOCK_WHICH(which_clock)) {
        default:
                return -EINVAL;
        case CPUCLOCK_PROF:
+               thread_group_cputime(p, &cputime);
                cpu->cpu = cputime_add(cputime.utime, cputime.stime);
                break;
        case CPUCLOCK_VIRT:
+               thread_group_cputime(p, &cputime);
                cpu->cpu = cputime.utime;
                break;
        case CPUCLOCK_SCHED:
-               cpu->sched = cputime.sum_exec_runtime + task_delta_exec(p);
+               cpu->sched = thread_group_sched_runtime(p);
                break;
        }
        return 0;
@@ -520,11 +521,12 @@ void posix_cpu_timers_exit(struct task_struct *tsk)
 }
 void posix_cpu_timers_exit_group(struct task_struct *tsk)
 {
-       struct task_cputime cputime;
+       struct signal_struct *const sig = tsk->signal;
 
-       thread_group_cputimer(tsk, &cputime);
        cleanup_timers(tsk->signal->cpu_timers,
-                      cputime.utime, cputime.stime, cputime.sum_exec_runtime);
+                      cputime_add(tsk->utime, sig->utime),
+                      cputime_add(tsk->stime, sig->stime),
+                      tsk->se.sum_exec_runtime + sig->sum_sched_runtime);
 }
 
 static void clear_dead_task(struct k_itimer *timer, union cpu_time_count now)
@@ -1419,19 +1421,19 @@ void run_posix_cpu_timers(struct task_struct *tsk)
         * timer call will interfere.
         */
        list_for_each_entry_safe(timer, next, &firing, it.cpu.entry) {
-               int firing;
+               int cpu_firing;
+
                spin_lock(&timer->it_lock);
                list_del_init(&timer->it.cpu.entry);
-               firing = timer->it.cpu.firing;
+               cpu_firing = timer->it.cpu.firing;
                timer->it.cpu.firing = 0;
                /*
                 * The firing flag is -1 if we collided with a reset
                 * of the timer, which already reported this
                 * almost-firing as an overrun.  So don't generate an event.
                 */
-               if (likely(firing >= 0)) {
+               if (likely(cpu_firing >= 0))
                        cpu_timer_fire(timer);
-               }
                spin_unlock(&timer->it_lock);
        }
 }