/*
 * 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 <asm/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);
}

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;
}

static void __exit ikconfig_cleanup(void)
{
	remove_proc_entry("config.gz", NULL);
}

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");
ge</option>
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<div class='path'>path: <a href='/~sima/drm-intel/log/?id=84e1d836ef0759a152578a961894824bde89596f'>root</a>/<a href='/~sima/drm-intel/log/include?id=84e1d836ef0759a152578a961894824bde89596f'>include</a>/<a href='/~sima/drm-intel/log/include/linux?id=84e1d836ef0759a152578a961894824bde89596f'>linux</a>/<a href='/~sima/drm-intel/log/include/linux/cnt32_to_63.h?id=84e1d836ef0759a152578a961894824bde89596f'>cnt32_to_63.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/~sima/drm-intel/log/include/linux/cnt32_to_63.h?id=84e1d836ef0759a152578a961894824bde89596f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td><span title='2008-11-09 11:17:33 -0800'>2008-11-09</span></td><td><a href='/~sima/drm-intel/commit/include/linux/cnt32_to_63.h?id=058e3739f6b0753696db1952378de9e8d2a11735'>clarify usage expectations for cnt32_to_63()</a></td><td>Nicolas Pitre</td><td>1</td><td><span class='deletions'>-6</span>/<span class='insertions'>+16</span></td></tr>
<tr><td><span title='2008-09-24 16:38:17 -0700'>2008-09-24</span></td><td><a href='/~sima/drm-intel/commit/include/linux/cnt32_to_63.h?id=b4f151ff899362fec952c45d166252c9912c041f'>MN10300: Move asm-arm/cnt32_to_63.h to include/linux/</a></td><td>David Howells</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+80</span></td></tr>
4 +0200'>2023-11-30</span></td><td><a href='/drm-intel/commit/drivers/net/wireless/ath/ath10k/wow.c?id=b1dc0ba41431147e55407140962c76f3e7a06753'>wifi: ath10k: Update Qualcomm Innovation Center, Inc. copyrights</a></td><td>Jeff Johnson</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2022-01-11 16:30:14 +0200'>2022-01-11</span></td><td><a href='/drm-intel/commit/drivers/net/wireless/ath/ath10k/wow.c?id=e3fb3d4418fce5484dfe7995fcd94c18b10a431a'>ath10k: fix memory overwrite of the WoWLAN wakeup packet pattern</a></td><td>Wen Gong</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+4</span></td></tr>
<tr><td><span title='2020-08-17 13:24:41 +0300'>2020-08-17</span></td><td><a href='/drm-intel/commit/drivers/net/wireless/ath/ath10k/wow.c?id=1885c0f76dc023e249024074f0578203704fa73c'>ath10k: Use fallthrough pseudo-keyword</a></td><td>Gustavo A. R. Silva</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2019-02-20 10:33:00 +0200'>2019-02-20</span></td><td><a href='/drm-intel/commit/drivers/net/wireless/ath/ath10k/wow.c?id=f0553ca9ceb5ff403623e31b7501d33ec84ce1fa'>ath10k: switch to use SPDX license identifiers</a></td><td>Kalle Valo</td><td>1</td><td><span class='deletions'>-12</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2019-02-12 20:49:45 +0200'>2019-02-12</span></td><td><a href='/drm-intel/commit/drivers/net/wireless/ath/ath10k/wow.c?id=bdf2bd9aa684511bcb4271f185f735525ca27a70'>ath10k: fix documentation in ath10k_wow_convert_8023_to_80211()</a></td><td>Kalle Valo</td><td>1</td><td><span class='deletions'>-4</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2018-11-06 18:00:40 +0200'>2018-11-06</span></td><td><a href='/drm-intel/commit/drivers/net/wireless/ath/ath10k/wow.c?id=c8cb09644c6cc78aaccfca54ad76462e44486cd0'>ath10k: fix some typo</a></td><td>Yangtao Li</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2018-10-13 20:18:02 +0300'>2018-10-13</span></td><td><a href='/drm-intel/commit/drivers/net/wireless/ath/ath10k/wow.c?id=ce834e280f2f8753ab0432fb5b1912547abc5330'>ath10k: support NET_DETECT WoWLAN feature</a></td><td>Wen Gong</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+168</span></td></tr>
<tr><td><span title='2018-09-03 19:57:03 +0300'>2018-09-03</span></td><td><a href='/drm-intel/commit/drivers/net/wireless/ath/ath10k/wow.c?id=828853ac58265c93249b53ba81782213962d5d4e'>ath10k: add waiting htt tx complete before wow enable</a></td><td>Wen Gong</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2018-04-24 08:54:52 +0300'>2018-04-24</span></td><td><a href='/drm-intel/commit/drivers/net/wireless/ath/ath10k/wow.c?id=fa3440fa2fa1531fb2aafb6d51f2bc5ac70a6247'>ath10k: convert wow pattern from 802.3 to 802.11</a></td><td>Wen Gong</td><td>1</td><td><span class='deletions'>-5</span>/<span class='insertions'>+133</span></td></tr>
<tr><td><span title='2017-12-27 12:22:01 +0200'>2017-12-27</span></td><td><a href='/drm-intel/commit/drivers/net/wireless/ath/ath10k/wow.c?id=8b1083d6188222c5efceb120b3334f0d8527c215'>ath10k: update copyright year</a></td><td>Kalle Valo</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>