mirror of
				git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
				synced 2025-09-04 20:19:47 +08:00 
			
		
		
		
	 3f3942aca6
			
		
	
	
		3f3942aca6
		
	
	
	
	
		
			
			Variants of proc_create{,_data} that directly take a seq_file show
callback and drastically reduces the boilerplate code in the callers.
All trivial callers converted over.
Signed-off-by: Christoph Hellwig <hch@lst.de>
		
	
			
		
			
				
	
	
		
			47 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // 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;
 | |
| }
 |