From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751456AbdE3Vmc (ORCPT ); Tue, 30 May 2017 17:42:32 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:55819 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751107AbdE3Vm3 (ORCPT ); Tue, 30 May 2017 17:42:29 -0400 Message-Id: <20170530211657.513694229@linutronix.de> User-Agent: quilt/0.63-1 Date: Tue, 30 May 2017 23:15:55 +0200 From: Thomas Gleixner To: LKML Cc: John Stultz , Peter Zijlstra , Ingo Molnar Subject: [patch 22/26] alarmtimer: Implement forward callback References: <20170530211533.216608851@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=alarmtimer--Implement-forward-callback.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Preparatory change to utilize the common posix timer mechanisms. Signed-off-by: Thomas Gleixner --- kernel/time/alarmtimer.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -549,6 +549,18 @@ static void alarm_timer_rearm(struct k_i } /** + * alarm_timer_forward - Posix timer callback for forwarding timer + * @timr: Pointer to the posixtimer data struct + * @now: Current time to forward the timer against + */ +static int alarm_timer_forward(struct k_itimer *timr, ktime_t now) +{ + struct alarm *alarm = &timr->it.alarm.alarmtimer; + + return (int) alarm_forward(alarm, timr->it_interval, now); +} + +/** * alarm_clock_getres - posix getres interface * @which_clock: clockid * @tp: timespec to fill @@ -876,6 +888,7 @@ const struct k_clock alarm_clock = { .timer_del = alarm_timer_del, .timer_get = alarm_timer_get, .timer_rearm = alarm_timer_rearm, + .timer_forward = alarm_timer_forward, .nsleep = alarm_timer_nsleep, }; #endif /* CONFIG_POSIX_TIMERS */