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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2013-10-11 18:11:43 +0400 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2013-12-09 19:53:50 +0400 |
| commit | af82eb3c3068877a6b1989796a06b846b1e9e1c3 (patch) | |
| tree | 993d789a777e97675e4c7f03e5a79f1e9b49c3e7 /kernel/posix-cpu-timers.c | |
| parent | a3222f88fa4f2ebec4632aef527dd2c9a41b997d (diff) | |
| download | linux-af82eb3c3068877a6b1989796a06b846b1e9e1c3.tar.xz | |
posix-timers: Remove useless clock sample on timers cleanup
a0b2062b0904ef07944c4a6e4d0f88ee44f1e9f2
("posix_timers: fix racy timer delta caching on task exit") forgot
to remove the arguments used for timer caching.
Fix this leftover.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Kosaki Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'kernel/posix-cpu-timers.c')
| -rw-r--r-- | kernel/posix-cpu-timers.c | 30 |
1 files changed, 7 insertions, 23 deletions
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index ab9911b54faf..e6389f915bcb 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -399,8 +399,7 @@ static int posix_cpu_timer_del(struct k_itimer *timer) return ret; } -static void cleanup_timers_list(struct list_head *head, - unsigned long long curr) +static void cleanup_timers_list(struct list_head *head) { struct cpu_timer_list *timer, *next; @@ -414,16 +413,11 @@ static void cleanup_timers_list(struct list_head *head, * time for later timer_gettime calls to return. * This must be called with the siglock held. */ -static void cleanup_timers(struct list_head *head, - cputime_t utime, cputime_t stime, - unsigned long long sum_exec_runtime) +static void cleanup_timers(struct list_head *head) { - - cputime_t ptime = utime + stime; - - cleanup_timers_list(head, cputime_to_expires(ptime)); - cleanup_timers_list(++head, cputime_to_expires(utime)); - cleanup_timers_list(++head, sum_exec_runtime); + cleanup_timers_list(head); + cleanup_timers_list(++head); + cleanup_timers_list(++head); } /* @@ -433,24 +427,14 @@ static void cleanup_timers(struct list_head *head, */ void posix_cpu_timers_exit(struct task_struct *tsk) { - cputime_t utime, stime; - add_device_randomness((const void*) &tsk->se.sum_exec_runtime, sizeof(unsigned long long)); - task_cputime(tsk, &utime, &stime); - cleanup_timers(tsk->cpu_timers, - utime, stime, tsk->se.sum_exec_runtime); + cleanup_timers(tsk->cpu_timers); } void posix_cpu_timers_exit_group(struct task_struct *tsk) { - struct signal_struct *const sig = tsk->signal; - cputime_t utime, stime; - - task_cputime(tsk, &utime, &stime); - cleanup_timers(tsk->signal->cpu_timers, - utime + sig->utime, stime + sig->stime, - tsk->se.sum_exec_runtime + sig->sum_sched_runtime); + cleanup_timers(tsk->signal->cpu_timers); } static inline int expires_gt(cputime_t expires, cputime_t new_exp) |