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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2009-06-22 12:08:22 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-06-22 12:08:24 +0200
commit12310e9c1b9a53896e4df0459039dd125f62aa9b (patch)
tree99a629bc1711c72e67ab0e9e86730ef69a563bad /tools
parent[S390] dasd: fix refcounting in dasd_change_state (diff)
downloadlinux-12310e9c1b9a53896e4df0459039dd125f62aa9b.tar.xz
linux-12310e9c1b9a53896e4df0459039dd125f62aa9b.zip
[S390] Enable tick based perf_counter on s390.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/perf.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index bccb529dac08..ceb68aa51f7f 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -13,6 +13,12 @@
#define cpu_relax() asm volatile ("" ::: "memory");
#endif
+#ifdef __s390__
+#include "../../arch/s390/include/asm/unistd.h"
+#define rmb() asm volatile("bcr 15,0" ::: "memory")
+#define cpu_relax() asm volatile("" ::: "memory");
+#endif
+
#include <time.h>
#include <unistd.h>
#include <sys/types.h>