Revision 71556b9800fff8bf59075d2c1622acc9d99113ef authored by Linus Torvalds on 16 January 2009, 20:40:37 UTC, committed by Linus Torvalds on 16 January 2009, 20:40:37 UTC
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (23 commits) ACPI PCI hotplug: harden against panic regression ACPI: rename main.c to sleep.c dell-laptop: move to drivers/platform/x86/ from drivers/misc/ eeepc-laptop: enable Bluetooth ACPI details ACPI: fix ACPI_FADT_S4_RTC_WAKE comment kprobes: check CONFIG_FREEZER instead of CONFIG_PM PM: Fix freezer compilation if PM_SLEEP is unset thermal fixup for broken BIOS which has invalid trip points. ACPI: EC: Don't trust ECDT tables from ASUS ACPI: EC: Limit workaround for ASUS notebooks even more ACPI: thinkpad-acpi: bump up version to 0.22 ACPI: thinkpad-acpi: handle HKEY event 6030 ACPI: thinkpad-acpi: clean-up fan subdriver quirk ACPI: thinkpad-acpi: start the event hunt season ACPI: thinkpad-acpi: handle HKEY thermal and battery alarms ACPI: thinkpad-acpi: clean up hotkey_notify() ACPI: thinkpad-acpi: use killable instead of interruptible mutexes ACPI: thinkpad-acpi: add UWB radio support ACPI: thinkpad-acpi: preserve radio state across shutdown ACPI: thinkpad-acpi: resume with radios disabled ...
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 <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,
};
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;
entry->size = 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);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Randy Dunlap");
MODULE_DESCRIPTION("Echo the kernel .config file used to build the kernel");
#endif /* CONFIG_IKCONFIG_PROC */
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