From 4f49b90abb4aca6fe677c95fc352fd0674d489bd Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Wed, 22 Jul 2015 17:03:52 +0200
Subject: sched-clock: Migrate to use new tick dependency mask model

Instead of checking sched_clock_stable from the nohz subsystem to verify
its tick dependency, migrate it to the new mask in order to include it
to the all-in-one check.

Reviewed-by: Chris Metcalf <cmetcalf@ezchip.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Luiz Capitulino <lcapitulino@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 kernel/time/tick-sched.c | 19 -------------------
 1 file changed, 19 deletions(-)

(limited to 'kernel/time/tick-sched.c')

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index e4f2916e66a9..969e6704c3c9 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -204,25 +204,6 @@ static bool can_stop_full_tick(struct tick_sched *ts)
 		return false;
 	}
 
-#ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK
-	/*
-	 * sched_clock_tick() needs us?
-	 *
-	 * TODO: kick full dynticks CPUs when
-	 * sched_clock_stable is set.
-	 */
-	if (!sched_clock_stable()) {
-		trace_tick_stop(0, TICK_DEP_MASK_CLOCK_UNSTABLE);
-		/*
-		 * Don't allow the user to think they can get
-		 * full NO_HZ with this machine.
-		 */
-		WARN_ONCE(tick_nohz_full_running,
-			  "NO_HZ FULL will not work with unstable sched clock");
-		return false;
-	}
-#endif
-
 	return true;
 }
 
-- 
cgit