author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> 2017-05-27 19:02:06 +0200
committer: Minda Chen <minda.chen@starfivetech.com> 2023-11-06 19:24:45 +0800
commit: 6d328be681d9c9413fe99b5e78b9b8939ee506f7
parent: bbaf2446f8e02f16a23049f1f60ce0f272e72816
Commit Summary:
Diffstat:
1 file changed, 3 insertions, 0 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 510519e8a1eb..7ac9fdb5ad09 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -268,6 +268,9 @@ 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: