diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-01-30 09:00:02 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-01-30 09:00:02 +0100 |
| commit | 858a0d7eb5300b5f620d98ab3c4b96c9d5f19131 (patch) | |
| tree | 79ad2ecb357183384b172155e44df71c86e24e49 /kernel/exit.c | |
| parent | e326ce013a8e851193eb337aafb1aa396c533a61 (diff) | |
| parent | 47087eeb744c83482774e8f6dc20cf2b11fff53f (diff) | |
Merge back earlier suspend/hibernation changes for v4.11.
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 9d68c45ebbe3..8f14b866f9f6 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -54,8 +54,9 @@ #include <linux/writeback.h> #include <linux/shm.h> #include <linux/kcov.h> +#include <linux/random.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/unistd.h> #include <asm/pgtable.h> #include <asm/mmu_context.h> @@ -91,11 +92,10 @@ static void __exit_signal(struct task_struct *tsk) lockdep_tasklist_lock_is_held()); spin_lock(&sighand->siglock); +#ifdef CONFIG_POSIX_TIMERS posix_cpu_timers_exit(tsk); if (group_dead) { posix_cpu_timers_exit_group(tsk); - tty = sig->tty; - sig->tty = NULL; } else { /* * This can only happen if the caller is de_thread(). @@ -104,7 +104,13 @@ static void __exit_signal(struct task_struct *tsk) */ if (unlikely(has_group_leader_pid(tsk))) posix_cpu_timers_exit_group(tsk); + } +#endif + if (group_dead) { + tty = sig->tty; + sig->tty = NULL; + } else { /* * If there is any task waiting for the group exit * then notify it: @@ -116,6 +122,9 @@ static void __exit_signal(struct task_struct *tsk) sig->curr_target = next_thread(tsk); } + add_device_randomness((const void*) &tsk->se.sum_exec_runtime, + sizeof(unsigned long long)); + /* * Accumulate here the counters for all threads as they die. We could * skip the group leader because it is the last user of signal_struct, @@ -799,8 +808,10 @@ void __noreturn do_exit(long code) acct_update_integrals(tsk); group_dead = atomic_dec_and_test(&tsk->signal->live); if (group_dead) { +#ifdef CONFIG_POSIX_TIMERS hrtimer_cancel(&tsk->signal->real_timer); exit_itimers(tsk->signal); +#endif if (tsk->mm) setmax_mm_hiwater_rss(&tsk->signal->maxrss, tsk->mm); } @@ -836,6 +847,7 @@ void __noreturn do_exit(long code) */ perf_event_exit_task(tsk); + sched_autogroup_exit_task(tsk); cgroup_exit(tsk); /* |