diff options
Diffstat (limited to 'kernel/futex.c')
| -rw-r--r-- | kernel/futex.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index 4cd5b4319b04..8af10027514b 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -1296,10 +1296,14 @@ static int futex_wait(u32 __user *uaddr, struct rw_semaphore *fshared, if (!abs_time) schedule(); else { + unsigned long slack; + slack = current->timer_slack_ns; + if (rt_task(current)) + slack = 0; hrtimer_init_on_stack(&t.timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS); hrtimer_init_sleeper(&t, current); - hrtimer_set_expires(&t.timer, *abs_time); + hrtimer_set_expires_range_ns(&t.timer, *abs_time, slack); hrtimer_start_expires(&t.timer, HRTIMER_MODE_ABS); if (!hrtimer_active(&t.timer)) |