Release 4.15 kernel/configs.c
/*
* kernel/configs.c
* Echo the kernel .config file used to build the kernel
*
* Copyright (C) 2002 Khalid Aziz <khalid_aziz@hp.com>
* Copyright (C) 2002 Randy Dunlap <rdunlap@xenotime.net>
* Copyright (C) 2002 Al Stone <ahs3@fc.hp.com>
* Copyright (C) 2002 Hewlett-Packard Company
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/uaccess.h>
/**************************************************/
/* the actual current config file */
/*
* Define kernel_config_data and kernel_config_data_size, which contains the
* wrapped and compressed configuration file. The file is first compressed
* with gzip and then bounded by two eight byte magic numbers to allow
* extraction from a binary kernel image:
*
* IKCFG_ST
* <image>
* IKCFG_ED
*/
#define MAGIC_START "IKCFG_ST"
#define MAGIC_END "IKCFG_ED"
#include "config_data.h"
#define MAGIC_SIZE (sizeof(MAGIC_START) - 1)
#define kernel_config_data_size \
(sizeof(kernel_config_data) - 1 - MAGIC_SIZE * 2)
#ifdef CONFIG_IKCONFIG_PROC
static ssize_t
ikconfig_read_current(struct file *file, char __user *buf,
size_t len, loff_t * offset)
{
return simple_read_from_buffer(buf, len, offset,
kernel_config_data + MAGIC_SIZE,
kernel_config_data_size);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alan Cox | 25 | 64.10% | 1 | 20.00% |
| Stephen Hemminger | 6 | 15.38% | 1 | 20.00% |
| Akinobu Mita | 5 | 12.82% | 1 | 20.00% |
| Andrew Morton | 3 | 7.69% | 2 | 40.00% |
| Total | 39 | 100.00% | 5 | 100.00% |
static const struct file_operations ikconfig_file_ops = {
.owner = THIS_MODULE,
.read = ikconfig_read_current,
.llseek = default_llseek,
};
static int __init ikconfig_init(void)
{
struct proc_dir_entry *entry;
/* create the current config file */
entry = proc_create("config.gz", S_IFREG | S_IRUGO, NULL,
&ikconfig_file_ops);
if (!entry)
return -ENOMEM;
proc_set_size(entry, kernel_config_data_size);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alan Cox | 23 | 46.00% | 1 | 14.29% |
| Stephen Hemminger | 11 | 22.00% | 1 | 14.29% |
| Andrew Morton | 7 | 14.00% | 2 | 28.57% |
| Denis V. Lunev | 4 | 8.00% | 1 | 14.29% |
| David Howells | 4 | 8.00% | 1 | 14.29% |
| Alexey Dobriyan | 1 | 2.00% | 1 | 14.29% |
| Total | 50 | 100.00% | 7 | 100.00% |
static void __exit ikconfig_cleanup(void)
{
remove_proc_entry("config.gz", NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alan Cox | 12 | 75.00% | 1 | 33.33% |
| Andrew Morton | 3 | 18.75% | 1 | 33.33% |
| Alexey Dobriyan | 1 | 6.25% | 1 | 33.33% |
| Total | 16 | 100.00% | 3 | 100.00% |
module_init(ikconfig_init);
module_exit(ikconfig_cleanup);
#endif /* CONFIG_IKCONFIG_PROC */
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Randy Dunlap");
MODULE_DESCRIPTION("Echo the kernel .config file used to build the kernel");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alan Cox | 105 | 52.24% | 1 | 7.14% |
| Andrew Morton | 35 | 17.41% | 3 | 21.43% |
| Stephen Hemminger | 35 | 17.41% | 1 | 7.14% |
| Arnd Bergmann | 5 | 2.49% | 1 | 7.14% |
| Akinobu Mita | 5 | 2.49% | 1 | 7.14% |
| Denis V. Lunev | 4 | 1.99% | 1 | 7.14% |
| David Howells | 4 | 1.99% | 1 | 7.14% |
| Stephen Boyd | 3 | 1.49% | 1 | 7.14% |
| Alexey Dobriyan | 2 | 1.00% | 1 | 7.14% |
| Helge Deller | 1 | 0.50% | 1 | 7.14% |
| Linus Torvalds | 1 | 0.50% | 1 | 7.14% |
| Adrian Bunk | 1 | 0.50% | 1 | 7.14% |
| Total | 201 | 100.00% | 14 | 100.00% |
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