Commit 2e5449f4 authored by Tetsuo Handa's avatar Tetsuo Handa Committed by Linus Torvalds
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profiling: Remove create_prof_cpu_mask().



create_prof_cpu_mask() is no longer used after commit 1f44a225 ("s390:
convert interrupt handling to use generic hardirq").

Signed-off-by: default avatarTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8a5c3ef7
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+0 −5
Original line number Diff line number Diff line
@@ -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;
+0 −43
Original line number Diff line number Diff line
@@ -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