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s390/pai_crypto: Rename some function for common usage.

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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.
Rename functions
 - paicrypt_free() -> pai_free()
 - paicrypt_destroy_event() -> pai_destroy_event()
 - paicrypt_destroy_event_cpu() -> pai_destroy_event_cpu()
to reflect their future common usage.
No functional change.

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Reviewed-by: Jan Polensky <japo@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Thomas Richter 2025-11-05 15:38:48 +01:00 committed by Heiko Carstens
parent 413957980a
commit 65b9831bd3
1 changed files with 10 additions and 10 deletions
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20
arch/s390/kernel/perf_pai_crypto.c
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@ -108,7 +108,7 @@ static int pai_root_alloc(void)
static DEFINE_MUTEX(pai_reserve_mutex);
/* Free all memory allocated for event counting/sampling setup */
static void paicrypt_free(struct pai_mapptr *mp)
static void pai_free(struct pai_mapptr *mp)
{
free_page((unsigned long)mp->mapptr->area);
kvfree(mp->mapptr->save);
@ -119,7 +119,7 @@ static void paicrypt_free(struct pai_mapptr *mp)
/* Adjust usage counters and remove allocated memory when all users are
* gone.
*/
static void paicrypt_event_destroy_cpu(struct perf_event *event, int cpu)
static void pai_event_destroy_cpu(struct perf_event *event, int cpu)
{
struct pai_mapptr *mp = per_cpu_ptr(pai_root.mapptr, cpu);
struct pai_map *cpump = mp->mapptr;
@ -130,12 +130,12 @@ static void paicrypt_event_destroy_cpu(struct perf_event *event, int cpu)
event->cpu, cpump->active_events,
refcount_read(&cpump->refcnt));
if (refcount_dec_and_test(&cpump->refcnt))
paicrypt_free(mp);
pai_free(mp);
pai_root_free();
mutex_unlock(&pai_reserve_mutex);
}
static void paicrypt_event_destroy(struct perf_event *event)
static void pai_event_destroy(struct perf_event *event)
{
int cpu;
@ -145,10 +145,10 @@ static void paicrypt_event_destroy(struct perf_event *event)
struct cpumask *mask = PAI_CPU_MASK(event);
for_each_cpu(cpu, mask)
paicrypt_event_destroy_cpu(event, cpu);
pai_event_destroy_cpu(event, cpu);
kfree(mask);
} else {
paicrypt_event_destroy_cpu(event, event->cpu);
pai_event_destroy_cpu(event, event->cpu);
}
}
@ -233,7 +233,7 @@ static int pai_alloc_cpu(struct perf_event *event, int cpu)
sizeof(struct pai_userdata),
GFP_KERNEL);
if (!cpump->area || !cpump->save) {
paicrypt_free(mp);
pai_free(mp);
goto undo;
}
INIT_LIST_HEAD(&cpump->syswide_list);
@ -270,7 +270,7 @@ static int pai_alloc(struct perf_event *event)
rc = pai_alloc_cpu(event, cpu);
if (rc) {
for_each_cpu(cpu, maskptr)
paicrypt_event_destroy_cpu(event, cpu);
pai_event_destroy_cpu(event, cpu);
kfree(maskptr);
goto out;
}
@ -280,7 +280,7 @@ static int pai_alloc(struct perf_event *event)
/*
* On error all cpumask are freed and all events have been destroyed.
* Save of which CPUs data structures have been allocated for.
* Release them in paicrypt_event_destroy call back function
* Release them in pai_event_destroy call back function
* for this event.
*/
PAI_CPU_MASK(event) = maskptr;
@ -358,7 +358,7 @@ static int paicrypt_event_init(struct perf_event *event)
int rc = pai_event_init(event, PAI_PMU_CRYPTO);
if (!rc) {
event->destroy = paicrypt_event_destroy;
event->destroy = pai_event_destroy;
static_branch_inc(&pai_key);
}
return rc;