Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0
/*
 * Handling of different ABIs (personalities).
 *
 * We group personalities into execution domains which have their
 * own handlers for kernel entry points, signal mapping, etc...
 *
 * 2001-05-06	Complete rewrite,  Christoph Hellwig (hch@infradead.org)
 */
 
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/kmod.h>
#include <linux/module.h>
#include <linux/personality.h>
#include <linux/proc_fs.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/syscalls.h>
#include <linux/sysctl.h>
#include <linux/types.h>
 
#ifdef CONFIG_PROC_FS
static int execdomains_proc_show(struct seq_file *m, void *v)
{
<------>seq_puts(m, "0-0\tLinux           \t[kernel]\n");
<------>return 0;
}
 
static int __init proc_execdomains_init(void)
{
<------>proc_create_single("execdomains", 0, NULL, execdomains_proc_show);
<------>return 0;
}
module_init(proc_execdomains_init);
#endif
 
SYSCALL_DEFINE1(personality, unsigned int, personality)
{
<------>unsigned int old = current->personality;
 
<------>if (personality != 0xffffffff)
<------><------>set_personality(personality);
 
<------>return old;
}