https://github.com/torvalds/linux
Raw File
Tip revision: 03c765b0e3b4cb5063276b086c76f7a612856a9a authored by Linus Torvalds on 26 June 2022, 21:22:10 UTC
Linux 5.19-rc4
Tip revision: 03c765b
cpuinfo.c
// SPDX-License-Identifier: GPL-2.0
#include <linux/cpufreq.h>
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>

extern const struct seq_operations cpuinfo_op;

static int cpuinfo_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &cpuinfo_op);
}

static const struct proc_ops cpuinfo_proc_ops = {
	.proc_flags	= PROC_ENTRY_PERMANENT,
	.proc_open	= cpuinfo_open,
	.proc_read_iter	= seq_read_iter,
	.proc_lseek	= seq_lseek,
	.proc_release	= seq_release,
};

static int __init proc_cpuinfo_init(void)
{
	proc_create("cpuinfo", 0, NULL, &cpuinfo_proc_ops);
	return 0;
}
fs_initcall(proc_cpuinfo_init);
back to top