linux-kernel - [tip:perf/core] perf/core: Remove unused arguments from a bunch of functions

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Date:	Wed, 17 Feb 2016 04:25:17 -0800
From:	tip-bot for Thomas Gleixner <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	vincent.weaver@...ne.edu, eranian@...gle.com, acme@...hat.com,
	jolsa@...hat.com, hpa@...or.com, torvalds@...ux-foundation.org,
	mingo@...nel.org, tglx@...utronix.de, peterz@...radead.org,
	linux-kernel@...r.kernel.org
Subject: [tip:perf/core] perf/core:
  Remove unused arguments from a bunch of functions

Commit-ID:  3b364d7b587db0f0eeafde0f271e0698187de776
Gitweb:     http://git.kernel.org/tip/3b364d7b587db0f0eeafde0f271e0698187de776
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Tue, 9 Feb 2016 20:11:40 +0000
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 17 Feb 2016 10:37:48 +0100

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

No functional change, just less confusing to read.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Cc: Vince Weaver <vincent.weaver@...ne.edu>
Link: http://lkml.kernel.org/r/20160209201007.921540566@linutronix.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/events/core.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 0d58522..94c47e3 100644
--- 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;