summaryrefslogtreecommitdiff
path: root/arch/arm64/include/asm/percpu.h
diff options
context:
space:
mode:
authorGrant Likely <grant.likely@linaro.org>2014-03-04 16:44:10 +0800
committerGrant Likely <grant.likely@linaro.org>2014-03-04 16:44:10 +0800
commitdab2310d9d90eded48625c5382c6a60389bf8ca9 (patch)
tree9327cc815d69dec23aebf03407e3fa82b6d2fbaa /arch/arm64/include/asm/percpu.h
parenta3dbeb5b45af5b6113385db89fce2a8279278e8b (diff)
parent0414855fdc4a40da05221fc6062cccbc0c30f169 (diff)
Merge tag 'v3.14-rc5' into HEAD
Linux 3.14-rc5
Diffstat (limited to 'arch/arm64/include/asm/percpu.h')
-rw-r--r--arch/arm64/include/asm/percpu.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/percpu.h b/arch/arm64/include/asm/percpu.h
index 13fb0b3efc5f..453a179469a3 100644
--- a/arch/arm64/include/asm/percpu.h
+++ b/arch/arm64/include/asm/percpu.h
@@ -16,6 +16,8 @@
#ifndef __ASM_PERCPU_H
#define __ASM_PERCPU_H
+#ifdef CONFIG_SMP
+
static inline void set_my_cpu_offset(unsigned long off)
{
asm volatile("msr tpidr_el1, %0" :: "r" (off) : "memory");
@@ -36,6 +38,12 @@ static inline unsigned long __my_cpu_offset(void)
}
#define __my_cpu_offset __my_cpu_offset()
+#else /* !CONFIG_SMP */
+
+#define set_my_cpu_offset(x) do { } while (0)
+
+#endif /* CONFIG_SMP */
+
#include <asm-generic/percpu.h>
#endif /* __ASM_PERCPU_H */