linux-kernel - [tip:perf/core] perf/core, perf/x86: Change needlessly global functions and a variable to static

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Message-ID: <tip-18ab2cd3ee9d52dc64c5ae984146a261a328c4e8@git.kernel.org>
Date:	Mon, 28 Sep 2015 01:03:34 -0700
From:	tip-bot for Geliang Tang <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	hpa@...or.com, geliangtang@....com, mingo@...nel.org,
	linux-kernel@...r.kernel.org, peterz@...radead.org,
	torvalds@...ux-foundation.org, acme@...nel.org, tglx@...utronix.de,
	a.p.zijlstra@...llo.nl
Subject: [tip:perf/core] perf/core, perf/x86:
  Change needlessly global functions and a variable to static

Commit-ID:  18ab2cd3ee9d52dc64c5ae984146a261a328c4e8
Gitweb:     http://git.kernel.org/tip/18ab2cd3ee9d52dc64c5ae984146a261a328c4e8
Author:     Geliang Tang <geliangtang@....com>
AuthorDate: Sun, 27 Sep 2015 23:25:50 +0800
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 28 Sep 2015 08:09:52 +0200

perf/core, perf/x86: Change needlessly global functions and a variable to static

Fixes various sparse warnings.

Signed-off-by: Geliang Tang <geliangtang@....com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/70c14234da1bed6e3e67b9c419e2d5e376ab4f32.1443367286.git.geliangtang@163.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/cpu/intel_cacheinfo.c | 8 ++++----
 kernel/events/core.c                  | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index be4febc..e38d338 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -157,7 +157,7 @@ struct _cpuid4_info_regs {
 	struct amd_northbridge *nb;
 };
 
-unsigned short			num_cache_leaves;
+static unsigned short num_cache_leaves;
 
 /* AMD doesn't have CPUID4. Emulate it here to report the same
    information to the user.  This makes some assumptions about the machine:
@@ -326,7 +326,7 @@ static void amd_calc_l3_indices(struct amd_northbridge *nb)
  *
  * @returns: the disabled index if used or negative value if slot free.
  */
-int amd_get_l3_disable_slot(struct amd_northbridge *nb, unsigned slot)
+static int amd_get_l3_disable_slot(struct amd_northbridge *nb, unsigned slot)
 {
 	unsigned int reg = 0;
 
@@ -403,8 +403,8 @@ static void amd_l3_disable_index(struct amd_northbridge *nb, int cpu,
  *
  * @return: 0 on success, error status on failure
  */
-int amd_set_l3_disable_slot(struct amd_northbridge *nb, int cpu, unsigned slot,
-			    unsigned long index)
+static int amd_set_l3_disable_slot(struct amd_northbridge *nb, int cpu,
+			    unsigned slot, unsigned long index)
 {
 	int ret = 0;
 
diff --git a/kernel/events/core.c b/kernel/events/core.c
index f87b434..ea02109 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -196,7 +196,7 @@ static int perf_sample_period_ns __read_mostly	= DEFAULT_SAMPLE_PERIOD_NS;
 static int perf_sample_allowed_ns __read_mostly =
 	DEFAULT_SAMPLE_PERIOD_NS * DEFAULT_CPU_TIME_MAX_PERCENT / 100;
 
-void update_perf_cpu_limits(void)
+static void update_perf_cpu_limits(void)
 {
 	u64 tmp = perf_sample_period_ns;
 
@@ -472,7 +472,7 @@ perf_cgroup_set_timestamp(struct task_struct *task,
  * mode SWOUT : schedule out everything
  * mode SWIN : schedule in based on cgroup for next
  */
-void perf_cgroup_switch(struct task_struct *task, int mode)
+static void perf_cgroup_switch(struct task_struct *task, int mode)
 {
 	struct perf_cpu_context *cpuctx;
 	struct pmu *pmu;
@@ -7390,7 +7390,7 @@ static int perf_pmu_nop_int(struct pmu *pmu)
 	return 0;
 }
 
-DEFINE_PER_CPU(unsigned int, nop_txn_flags);
+static DEFINE_PER_CPU(unsigned int, nop_txn_flags);
 
 static void perf_pmu_start_txn(struct pmu *pmu, unsigned int flags)
 {
@@ -7750,7 +7750,7 @@ static int perf_try_init_event(struct pmu *pmu, struct perf_event *event)
 	return ret;
 }
 
-struct pmu *perf_init_event(struct perf_event *event)
+static struct pmu *perf_init_event(struct perf_event *event)
 {
 	struct pmu *pmu = NULL;
 	int idx;
--
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