perf/core: Remove unused arguments from a bunch of functions

No functional change, just less confusing to read.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Link: http://lkml.kernel.org/r/20160209201007.921540566@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 0d58522103cd7e73d76a7935119077f33d68082b..94c47e3f9a0ab54a8c89d9ad3dc65e41631f2dae 100644 (file)
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6710,7 +6710,7 @@ static void swevent_hlist_release(struct swevent_htable *swhash)
        kfree_rcu(hlist, rcu_head);
 }
 
-static void swevent_hlist_put_cpu(struct perf_event *event, int cpu)
+static void swevent_hlist_put_cpu(int cpu)
 {
        struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu);
 
@@ -6722,15 +6722,15 @@ static void swevent_hlist_put_cpu(struct perf_event *event, int cpu)
        mutex_unlock(&swhash->hlist_mutex);
 }
 
-static void swevent_hlist_put(struct perf_event *event)
+static void swevent_hlist_put(void)
 {
        int cpu;
 
        for_each_possible_cpu(cpu)
-               swevent_hlist_put_cpu(event, cpu);
+               swevent_hlist_put_cpu(cpu);
 }
 
-static int swevent_hlist_get_cpu(struct perf_event *event, int cpu)
+static int swevent_hlist_get_cpu(int cpu)
 {
        struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu);
        int err = 0;
@@ -6753,14 +6753,13 @@ exit:
        return err;
 }
 
-static int swevent_hlist_get(struct perf_event *event)
+static int swevent_hlist_get(void)
 {
-       int err;
-       int cpu, failed_cpu;
+       int err, cpu, failed_cpu;
 
        get_online_cpus();
        for_each_possible_cpu(cpu) {
-               err = swevent_hlist_get_cpu(event, cpu);
+               err = swevent_hlist_get_cpu(cpu);
                if (err) {
                        failed_cpu = cpu;
                        goto fail;
@@ -6773,7 +6772,7 @@ fail:
        for_each_possible_cpu(cpu) {
                if (cpu == failed_cpu)
                        break;
-               swevent_hlist_put_cpu(event, cpu);
+               swevent_hlist_put_cpu(cpu);
        }
 
        put_online_cpus();
@@ -6789,7 +6788,7 @@ static void sw_perf_event_destroy(struct perf_event *event)
        WARN_ON(event->parent);
 
        static_key_slow_dec(&perf_swevent_enabled[event_id]);
-       swevent_hlist_put(event);
+       swevent_hlist_put();
 }
 
 static int perf_swevent_init(struct perf_event *event)
@@ -6820,7 +6819,7 @@ static int perf_swevent_init(struct perf_event *event)
        if (!event->parent) {
                int err;
 
-               err = swevent_hlist_get(event);
+               err = swevent_hlist_get();
                if (err)
                        return err;