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authorFrederic Weisbecker <fweisbec@gmail.com>2015-07-22 17:03:52 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2016-03-02 16:44:57 +0100
commit4f49b90abb4aca6fe677c95fc352fd0674d489bd (patch)
tree5f553618d1fb296be3b08fd41b3a87dfbbc08e72 /kernel/time/tick-sched.c
parentb78783000d5cb7c5994e6742e1d1ce594bfea15b (diff)
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>
Diffstat (limited to 'kernel/time/tick-sched.c')
-rw-r--r--kernel/time/tick-sched.c19
1 files changed, 0 insertions, 19 deletions
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;
}