sparc64: Make sparc_pmu_{enable,disable}_event() multi-pcr aware.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 197c79e..c3ad637 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -623,27 +623,35 @@
static inline void sparc_pmu_enable_event(struct cpu_hw_events *cpuc, struct hw_perf_event *hwc, int idx)
{
u64 val, mask = mask_for_index(idx);
+ int pcr_index = 0;
- val = cpuc->pcr[0];
+ if (sparc_pmu->num_pcrs > 1)
+ pcr_index = idx;
+
+ val = cpuc->pcr[pcr_index];
val &= ~mask;
val |= hwc->config;
- cpuc->pcr[0] = val;
+ cpuc->pcr[pcr_index] = val;
- pcr_ops->write_pcr(0, cpuc->pcr[0]);
+ pcr_ops->write_pcr(pcr_index, cpuc->pcr[pcr_index]);
}
static inline void sparc_pmu_disable_event(struct cpu_hw_events *cpuc, struct hw_perf_event *hwc, int idx)
{
u64 mask = mask_for_index(idx);
u64 nop = nop_for_index(idx);
+ int pcr_index = 0;
u64 val;
- val = cpuc->pcr[0];
+ if (sparc_pmu->num_pcrs > 1)
+ pcr_index = idx;
+
+ val = cpuc->pcr[pcr_index];
val &= ~mask;
val |= nop;
- cpuc->pcr[0] = val;
+ cpuc->pcr[pcr_index] = val;
- pcr_ops->write_pcr(0, cpuc->pcr[0]);
+ pcr_ops->write_pcr(pcr_index, cpuc->pcr[pcr_index]);
}
static u64 sparc_perf_event_update(struct perf_event *event,