From 0effec3f5dac0e6d4484e41f8f7ea4071bffa2f2 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Sat, 27 May 2017 19:02:06 +0200 Subject: [PATCH 225/323] kernel/sched: add {put|get}_cpu_light() Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.215-rt107.tar.xz 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 04f44e0aa2e0b..cae66815f9e20 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -239,6 +239,9 @@ 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: -- 2.44.0