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From: hongzha1 <hongzhan.chen@intel.com>
To: xenomai@xenomai.org
Subject: [PATCH V2 5/5] dovetail/tick: pipeline: implement pipeline_must_force_program_tick
Date: Thu, 21 Jan 2021 21:12:40 -0500	[thread overview]
Message-ID: <20210122021240.18768-5-hongzhan.chen@intel.com> (raw)
In-Reply-To: <20210122021240.18768-1-hongzhan.chen@intel.com>

Force the next tick to be programmed in the hardware as a result of
leaving the ONESHOT_STOPPED

Signed-off-by: hongzha1 <hongzhan.chen@intel.com>

diff --git a/include/cobalt/kernel/dovetail/pipeline/tick.h b/include/cobalt/kernel/dovetail/pipeline/tick.h
index 409581a3c..8ac4760ec 100644
--- a/include/cobalt/kernel/dovetail/pipeline/tick.h
+++ b/include/cobalt/kernel/dovetail/pipeline/tick.h
@@ -9,4 +9,8 @@ int pipeline_install_tick_proxy(void);
 
 void pipeline_uninstall_tick_proxy(void);
 
+struct xnsched;
+
+inline bool pipeline_must_force_program_tick(struct xnsched *sched);
+
 #endif /* !_COBALT_KERNEL_IPIPE_TICK_H */
diff --git a/kernel/cobalt/dovetail/tick.c b/kernel/cobalt/dovetail/tick.c
index 1b622defb..fc6203667 100644
--- a/kernel/cobalt/dovetail/tick.c
+++ b/kernel/cobalt/dovetail/tick.c
@@ -89,6 +89,11 @@ void xn_core_tick(struct clock_event_device *dummy) /* hard irqs off */
 	xnintr_core_clock_handler();
 }
 
+inline bool pipeline_must_force_program_tick(struct xnsched *sched)
+{
+	return sched->lflags & XNTSTOP;
+}
+
 static int proxy_set_oneshot_stopped(struct clock_event_device *proxy_dev)
 {
 	struct clock_event_device *real_dev;
@@ -110,7 +115,7 @@ static int proxy_set_oneshot_stopped(struct clock_event_device *proxy_dev)
 	xnlock_get_irqsave(&nklock, s);
 	sched = xnsched_current();
 	xntimer_stop(&sched->htimer);
-	//sched->lflags |= XNTSTOP;
+	sched->lflags |= XNTSTOP;
 
 	if (sched->lflags & XNIDLE) {
 		real_dev = dev->real_device;
-- 
2.17.1



  parent reply	other threads:[~2021-01-22  2:12 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-22  2:12 [PATCH V2 1/5] cobalt/tick: dovetail: implement pipeline_set_timer_shot to trigger tick shot hongzha1
2021-01-22  2:12 ` [PATCH V2 2/5] cobalt/tick: dovetail: implement pipeline_timer_name hongzha1
2021-01-24 17:05   ` Philippe Gerum
2021-01-22  2:12 ` [PATCH V2 3/5] dovetail/kevents: dovetail: implement handle_ptrace_cont hongzha1
2021-01-24 17:21   ` Philippe Gerum
2021-01-22  2:12 ` [PATCH V2 4/5] cobalt/timer: pipeline: abstract signal test of XNTSTOP hongzha1
2021-01-24 17:06   ` Philippe Gerum
2021-01-22  2:12 ` hongzha1 [this message]
2021-01-24 17:06   ` [PATCH V2 5/5] dovetail/tick: pipeline: implement pipeline_must_force_program_tick Philippe Gerum
2021-01-24 17:05 ` [PATCH V2 1/5] cobalt/tick: dovetail: implement pipeline_set_timer_shot to trigger tick shot Philippe Gerum

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