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Merge tag 'for-linus-5.1-2' of git://github.com/cminyard/linux-ipmi
[thirdparty/linux.git] / kernel / exec_domain.c
CommitLineData
b2441318 1// SPDX-License-Identifier: GPL-2.0
1da177e4
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2/*
3 * Handling of different ABIs (personalities).
4 *
5 * We group personalities into execution domains which have their
6 * own handlers for kernel entry points, signal mapping, etc...
7 *
8 * 2001-05-06 Complete rewrite, Christoph Hellwig (hch@infradead.org)
9 */
10
1da177e4
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11#include <linux/init.h>
12#include <linux/kernel.h>
13#include <linux/kmod.h>
14#include <linux/module.h>
15#include <linux/personality.h>
6e62775e 16#include <linux/proc_fs.h>
1da177e4 17#include <linux/sched.h>
6e62775e 18#include <linux/seq_file.h>
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19#include <linux/syscalls.h>
20#include <linux/sysctl.h>
21#include <linux/types.h>
22
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23#ifdef CONFIG_PROC_FS
24static int execdomains_proc_show(struct seq_file *m, void *v)
1da177e4 25{
973f911f 26 seq_puts(m, "0-0\tLinux \t[kernel]\n");
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27 return 0;
28}
29
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30static int __init proc_execdomains_init(void)
31{
3f3942ac 32 proc_create_single("execdomains", 0, NULL, execdomains_proc_show);
6e62775e 33 return 0;
1da177e4 34}
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35module_init(proc_execdomains_init);
36#endif
1da177e4 37
485d5276 38SYSCALL_DEFINE1(personality, unsigned int, personality)
1da177e4 39{
485d5276 40 unsigned int old = current->personality;
1da177e4 41
2ee7c922 42 if (personality != 0xffffffff)
1da177e4 43 set_personality(personality);
1da177e4 44
485d5276 45 return old;
1da177e4 46}