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profiling: Remove create_prof_cpu_mask().

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create_prof_cpu_mask() is no longer used after commit 1f44a22577 ("s390:
convert interrupt handling to use generic hardirq").

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tetsuo Handa 2024-04-27 15:27:58 +09:00 committed by Linus Torvalds
parent 8a5c3ef7db
commit 2e5449f4f2
2 changed files with 0 additions and 48 deletions
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5
include/linux/profile.h
View File

@ -18,13 +18,8 @@ struct proc_dir_entry;
struct notifier_block;
#if defined(CONFIG_PROFILING) && defined(CONFIG_PROC_FS)
void create_prof_cpu_mask(void);
int create_proc_profile(void);
#else
static inline void create_prof_cpu_mask(void)
{
}
static inline int create_proc_profile(void)
{
return 0;

43
kernel/profile.c
View File

@ -344,49 +344,6 @@ void profile_tick(int type)
#include <linux/seq_file.h>
#include <linux/uaccess.h>
static int prof_cpu_mask_proc_show(struct seq_file *m, void *v)
{
seq_printf(m, "%*pb\n", cpumask_pr_args(prof_cpu_mask));
return 0;
}
static int prof_cpu_mask_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, prof_cpu_mask_proc_show, NULL);
}
static ssize_t prof_cpu_mask_proc_write(struct file *file,
const char __user *buffer, size_t count, loff_t *pos)
{
cpumask_var_t new_value;
int err;
if (!zalloc_cpumask_var(&new_value, GFP_KERNEL))
return -ENOMEM;
err = cpumask_parse_user(buffer, count, new_value);
if (!err) {
cpumask_copy(prof_cpu_mask, new_value);
err = count;
}
free_cpumask_var(new_value);
return err;
}
static const struct proc_ops prof_cpu_mask_proc_ops = {
.proc_open = prof_cpu_mask_proc_open,
.proc_read = seq_read,
.proc_lseek = seq_lseek,
.proc_release = single_release,
.proc_write = prof_cpu_mask_proc_write,
};
void create_prof_cpu_mask(void)
{
/* create /proc/irq/prof_cpu_mask */
proc_create("irq/prof_cpu_mask", 0600, NULL, &prof_cpu_mask_proc_ops);
}
/*
* This function accesses profiling information. The returned data is
* binary: the sampling step and the actual contents of the profile