[patch 4/4] perf: Remove unused arguments from a bunch of functions

From: Thomas Gleixner
Date: Tue Feb 09 2016 - 15:13:03 EST


No functional change, just less confusing to read.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
kernel/events/core.c | 21 ++++++++++-----------
1 file changed, 10 insertions(+), 11 deletions(-)

--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6710,7 +6710,7 @@ static void swevent_hlist_release(struct
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
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 @@ static int swevent_hlist_get_cpu(struct
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 @@ static int swevent_hlist_get(struct perf
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
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
if (!event->parent) {
int err;

- err = swevent_hlist_get(event);
+ err = swevent_hlist_get();
if (err)
return err;