From: Roman Gushchin <kl...@yandex-team.ru>
This patch introduces nosmart boot option, that is intended to disable
smart globally at boot time.
Signed-off-by: Roman Gushchin <kl...@yandex-team.ru>
---
kernel/sched/rt.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index a3fd83c..ff7751a 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -2319,6 +2319,13 @@ static int cpu_with_number(int number, cpumask_t *mask)
return -1;
}
+static int __init nosmart_setup(char *str)
+{
+ static_key_slow_dec(&__smart_enabled);
+ return 0;
+}
+early_param("nosmart", nosmart_setup);
+
void build_smart_topology(void)
{
int cpu;
--
1.9.3
--
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