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perf: Add const qualifier to perf_pmu_register's 'name' arg

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This allows us to use pdev->name for registering a PMU device.
IMO the name is not supposed to be changed anyway.

Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1370339148-5566-1-git-send-email-mjonker@synopsys.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Mischa Jonker 2013-06-04 11:45:48 +02:00 committed by Ingo Molnar
parent e712209a9e
commit 03d8e80beb
3 changed files with 4 additions and 4 deletions
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2
arch/metag/kernel/perf/perf_event.c
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@ -882,7 +882,7 @@ static int __init init_hw_perf_events(void)
} }
register_cpu_notifier(&metag_pmu_notifier); register_cpu_notifier(&metag_pmu_notifier);
ret = perf_pmu_register(&pmu, (char *)metag_pmu->name, PERF_TYPE_RAW); ret = perf_pmu_register(&pmu, metag_pmu->name, PERF_TYPE_RAW);
out: out:
return ret; return ret;
} }

4
include/linux/perf_event.h
View file

@ -188,7 +188,7 @@ struct pmu {
struct device *dev; struct device *dev;
const struct attribute_group **attr_groups; const struct attribute_group **attr_groups;
char *name; const char *name;
int type; int type;
int * __percpu pmu_disable_count; int * __percpu pmu_disable_count;
@ -519,7 +519,7 @@ struct perf_output_handle {
#ifdef CONFIG_PERF_EVENTS #ifdef CONFIG_PERF_EVENTS
extern int perf_pmu_register(struct pmu *pmu, char *name, int type); extern int perf_pmu_register(struct pmu *pmu, const char *name, int type);
extern void perf_pmu_unregister(struct pmu *pmu); extern void perf_pmu_unregister(struct pmu *pmu);
extern int perf_num_counters(void); extern int perf_num_counters(void);

2
kernel/events/core.c
View file

@ -6179,7 +6179,7 @@ free_dev:
static struct lock_class_key cpuctx_mutex; static struct lock_class_key cpuctx_mutex;
static struct lock_class_key cpuctx_lock; static struct lock_class_key cpuctx_lock;
int perf_pmu_register(struct pmu *pmu, char *name, int type) int perf_pmu_register(struct pmu *pmu, const char *name, int type)
{ {
int cpu, ret; int cpu, ret;