The following commit has been merged into the timers/core branch of tip:
Commit-ID: 0b9b9a3b162e85e620e3598f1badc45b8a177492
Gitweb: https://git.kernel.org/tip/0b9b9a3b162e85e620e3598f1badc45b8a177492
Author: Andrei Vagin <avagin@xxxxxxxxx>
AuthorDate: Tue, 12 Nov 2019 01:27:04
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Tue, 14 Jan 2020 12:20:55 +01:00
alarmtimer: Make nanosleep() time namespace aware
clock_nanosleep() accepts absolute values of expiration time when the
TIMER_ABSTIME flag is set. This absolute value is inside the task's
time namespace and has to be converted to the host's time.
Co-developed-by: Dmitry Safonov <dima@xxxxxxxxxx>
Signed-off-by: Andrei Vagin <avagin@xxxxxxxxxx>
Signed-off-by: Dmitry Safonov <dima@xxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20191112012724.250792-16-dima@xxxxxxxxxx
---
kernel/time/alarmtimer.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index 9a8e81b..b51b36e 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -839,6 +839,8 @@ static int alarm_timer_nsleep(const clockid_t which_clock, int flags,
ktime_t now = alarm_bases[type].get_ktime();
exp = ktime_add_safe(now, exp);
+ } else {
+ exp = timens_ktime_to_host(which_clock, exp);
}
ret = alarmtimer_do_nsleep(&alarm, exp, type);
|