| From | Dmitry Safonov <> | Subject | [PATCHv7 13/33] alarmtimer: Make nanosleep time namespace aware | Date | Fri, 11 Oct 2019 02:23:21 +0100 |
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From: Andrei Vagin <avagin@gmail.com>
clock_nanosleep() accepts absolute values of expiration time when 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.
Signed-off-by: Andrei Vagin <avagin@openvz.org> Co-developed-by: Dmitry Safonov <dima@arista.com> Signed-off-by: Dmitry Safonov <dima@arista.com> --- kernel/time/alarmtimer.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index c326427bb4cb..353e46f9acc2 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -838,6 +838,8 @@ 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); -- 2.23.0
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