From 7497b8dc12591dd237a63c9748b71666d48a2eb4 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior 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 --- 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