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-rw-r--r--arch/s390/include/asm/perf_event.h2
-rw-r--r--arch/s390/kernel/perf_cpum_sf.c4
2 files changed, 0 insertions, 6 deletions
diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
index 4879f3a5c474..05be93b5905d 100644
--- a/arch/s390/include/asm/perf_event.h
+++ b/arch/s390/include/asm/perf_event.h
@@ -60,8 +60,6 @@ struct perf_sf_sde_regs {
#define PERF_CPUM_SF_DIAG_MODE 0x0002 /* Diagnostic-sampling flag */
#define PERF_CPUM_SF_FREQ_MODE 0x0008 /* Sampling with frequency */
-#define REG_NONE 0
-#define REG_OVERFLOW 1
#define OVERFLOW_REG(hwc) ((hwc)->extra_reg.config)
#define SFB_ALLOC_REG(hwc) ((hwc)->extra_reg.alloc)
#define TEAR_REG(hwc) ((hwc)->last_tag)
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index 041e22bee839..1019fee3e734 100644
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -876,10 +876,6 @@ static int __hw_perf_event_init(struct perf_event *event)
if (err)
goto out;
- /* Initialize sample data overflow accounting */
- hwc->extra_reg.reg = REG_OVERFLOW;
- OVERFLOW_REG(hwc) = 0;
-
/* Use AUX buffer. No need to allocate it by ourself */
if (attr->config == PERF_EVENT_CPUM_SF_DIAG)
return 0;