Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2#include <linux/cpufreq.h>
3#include <linux/fs.h>
4#include <linux/init.h>
5#include <linux/proc_fs.h>
6#include <linux/seq_file.h>
7
8__weak void arch_freq_prepare_all(void)
9{
10}
11
12extern const struct seq_operations cpuinfo_op;
13static int cpuinfo_open(struct inode *inode, struct file *file)
14{
15 arch_freq_prepare_all();
16 return seq_open(file, &cpuinfo_op);
17}
18
19static const struct proc_ops cpuinfo_proc_ops = {
20 .proc_open = cpuinfo_open,
21 .proc_read = seq_read,
22 .proc_lseek = seq_lseek,
23 .proc_release = seq_release,
24};
25
26static int __init proc_cpuinfo_init(void)
27{
28 proc_create("cpuinfo", 0, NULL, &cpuinfo_proc_ops);
29 return 0;
30}
31fs_initcall(proc_cpuinfo_init);