From a65a4d7e806402e394b1ef0323aafec23903888b Mon Sep 17 00:00:00 2001 From: Thomas Richter Date: Wed, 5 Nov 2025 15:38:55 +0100 Subject: [PATCH] s390/pai_crypto: Add common pai_add() function To support one common PAI PMU device driver which handles both PMUs pai_crypto and pai_ext, use a common naming scheme for structures and variables suitable for both device drivers. Add a common usable function pai_add() for the event on a CPU. Call this common pai_add() from paicrypt_add(). Signed-off-by: Thomas Richter Reviewed-by: Jan Polensky Signed-off-by: Heiko Carstens --- arch/s390/kernel/perf_pai_crypto.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/s390/kernel/perf_pai_crypto.c b/arch/s390/kernel/perf_pai_crypto.c index e7f2257641261..73a55ddedc800 100644 --- a/arch/s390/kernel/perf_pai_crypto.c +++ b/arch/s390/kernel/perf_pai_crypto.c @@ -411,10 +411,11 @@ static void paicrypt_start(struct perf_event *event, int flags) pai_start(event, flags, paicrypt_getall); } -static int paicrypt_add(struct perf_event *event, int flags) +static int pai_add(struct perf_event *event, int flags) { struct pai_mapptr *mp = this_cpu_ptr(pai_root.mapptr); struct pai_map *cpump = mp->mapptr; + int idx = PAI_PMU_IDX(event); unsigned long ccd; if (++cpump->active_events == 1) { @@ -423,11 +424,16 @@ static int paicrypt_add(struct perf_event *event, int flags) local_ctl_set_bit(0, CR0_CRYPTOGRAPHY_COUNTER_BIT); } if (flags & PERF_EF_START) - paicrypt_start(event, PERF_EF_RELOAD); + pai_pmu[idx].pmu->start(event, PERF_EF_RELOAD); event->hw.state = 0; return 0; } +static int paicrypt_add(struct perf_event *event, int flags) +{ + return pai_add(event, flags); +} + static void pai_have_sample(struct perf_event *, struct pai_map *); static void paicrypt_stop(struct perf_event *event, int flags) { -- 2.47.3