diff --git a/arch/s390/kernel/perf_pai_crypto.c b/arch/s390/kernel/perf_pai_crypto.c index 61fb4e716476f..823d652e3917f 100644 --- a/arch/s390/kernel/perf_pai_crypto.c +++ b/arch/s390/kernel/perf_pai_crypto.c @@ -324,12 +324,15 @@ static void paicrypt_read(struct perf_event *event) static void paicrypt_start(struct perf_event *event, int flags) { + struct paicrypt_mapptr *mp = this_cpu_ptr(paicrypt_root.mapptr); + struct paicrypt_map *cpump = mp->mapptr; u64 sum; if (!event->attr.sample_period) { /* Counting */ sum = paicrypt_getall(event); /* Get current value */ local64_set(&event->hw.prev_count, sum); } else { /* Sampling */ + cpump->event = event; perf_sched_cb_inc(event->pmu); } } @@ -345,7 +348,6 @@ static int paicrypt_add(struct perf_event *event, int flags) WRITE_ONCE(S390_lowcore.ccd, ccd); local_ctl_set_bit(0, CR0_CRYPTOGRAPHY_COUNTER_BIT); } - cpump->event = event; if (flags & PERF_EF_START) paicrypt_start(event, PERF_EF_RELOAD); event->hw.state = 0; diff --git a/arch/s390/kernel/perf_pai_ext.c b/arch/s390/kernel/perf_pai_ext.c index dd84c4d6fbe92..616a25606cd63 100644 --- a/arch/s390/kernel/perf_pai_ext.c +++ b/arch/s390/kernel/perf_pai_ext.c @@ -203,7 +203,6 @@ static int paiext_alloc(struct perf_event_attr *a, struct perf_event *event) } rc = 0; - cpump->event = event; undo: if (rc) { @@ -328,12 +327,15 @@ static void paiext_read(struct perf_event *event) static void paiext_start(struct perf_event *event, int flags) { + struct paiext_mapptr *mp = this_cpu_ptr(paiext_root.mapptr); + struct paiext_map *cpump = mp->mapptr; u64 sum; if (!event->attr.sample_period) { /* Counting */ sum = paiext_getall(event); /* Get current value */ local64_set(&event->hw.prev_count, sum); } else { /* Sampling */ + cpump->event = event; perf_sched_cb_inc(event->pmu); } } @@ -352,7 +354,6 @@ static int paiext_add(struct perf_event *event, int flags) debug_sprintf_event(paiext_dbg, 4, "%s 1508 %llx acc %llx\n", __func__, S390_lowcore.aicd, pcb->acc); } - cpump->event = event; if (flags & PERF_EF_START) paiext_start(event, PERF_EF_RELOAD); event->hw.state = 0;