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From 7497b8dc12591dd237a63c9748b71666d48a2eb4 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat, 27 May 2017 19:02:06 +0200
Subject: [PATCH 101/191] kernel/sched: add {put|get}_cpu_light()
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
include/linux/smp.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 70c6f6284dcf..4c602ca3bc13 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -238,6 +238,9 @@ static inline int get_boot_cpu_id(void)
#define get_cpu() ({ preempt_disable(); __smp_processor_id(); })
#define put_cpu() preempt_enable()
+#define get_cpu_light() ({ migrate_disable(); __smp_processor_id(); })
+#define put_cpu_light() migrate_enable()
+
/*
* Callback to arch code if there's nosmp or maxcpus=0 on the
* boot command line:
--
2.19.1
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