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-rw-r--r--tools/perf/perf-sys.h9
1 files changed, 0 insertions, 9 deletions
diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
index e4b717e9eb6c..2aaa7366cdc2 100644
--- a/tools/perf/perf-sys.h
+++ b/tools/perf/perf-sys.h
@@ -10,12 +10,10 @@
#include <asm/barrier.h>
#if defined(__i386__)
-#define cpu_relax() asm volatile("rep; nop" ::: "memory");
#define CPUINFO_PROC {"model name"}
#endif
#if defined(__x86_64__)
-#define cpu_relax() asm volatile("rep; nop" ::: "memory");
#define CPUINFO_PROC {"model name"}
#endif
@@ -44,7 +42,6 @@
#endif
#ifdef __ia64__
-#define cpu_relax() asm volatile ("hint @pause" ::: "memory")
#define CPUINFO_PROC {"model name"}
#endif
@@ -53,7 +50,6 @@
#endif
#ifdef __aarch64__
-#define cpu_relax() asm volatile("yield" ::: "memory")
#endif
#ifdef __mips__
@@ -73,14 +69,9 @@
#endif
#ifdef __tile__
-#define cpu_relax() asm volatile ("mfspr zero, PASS" ::: "memory")
#define CPUINFO_PROC {"model name"}
#endif
-#ifndef cpu_relax
-#define cpu_relax() barrier()
-#endif
-
static inline int
sys_perf_event_open(struct perf_event_attr *attr,
pid_t pid, int cpu, int group_fd,