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-rw-r--r--arch/s390/include/asm/perf_event.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
index 4652ffffe0b2..b9da71632827 100644
--- a/arch/s390/include/asm/perf_event.h
+++ b/arch/s390/include/asm/perf_event.h
@@ -12,6 +12,7 @@
#include <linux/perf_event.h>
#include <linux/device.h>
+#include <asm/stacktrace.h>
/* Per-CPU flags for PMU states */
#define PMU_F_RESERVED 0x1000
@@ -73,4 +74,10 @@ struct perf_sf_sde_regs {
#define SDB_FULL_BLOCKS(hwc) (SAMPL_FLAGS(hwc) & PERF_CPUM_SF_FULL_BLOCKS)
#define SAMPLE_FREQ_MODE(hwc) (SAMPL_FLAGS(hwc) & PERF_CPUM_SF_FREQ_MODE)
+#define perf_arch_fetch_caller_regs(regs, __ip) do { \
+ (regs)->psw.addr = (__ip); \
+ (regs)->gprs[15] = (unsigned long)__builtin_frame_address(0) - \
+ offsetof(struct stack_frame, back_chain); \
+} while (0)
+
#endif /* _ASM_S390_PERF_EVENT_H */