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authorIngo Molnar <mingo@kernel.org>2014-03-11 14:53:50 +0400
committerIngo Molnar <mingo@kernel.org>2014-03-11 14:53:50 +0400
commit0066f3b93e144762b409940fa37bb1cd36c1baf7 (patch)
tree0c99b2754fb16c2a787bc1d086bd6fb268b12b1a /arch/arm64/include/asm/percpu.h
parente65312fe868da53077780de618e213a53dc90d00 (diff)
parentb8ad0f912b93c23c34dfedc615a0eeba6ca29463 (diff)
downloadlinux-0066f3b93e144762b409940fa37bb1cd36c1baf7.tar.xz
Merge branch 'perf/urgent' into perf/core
Merge the latest fixes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 */