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uml: host_info tidying 

Move the host_info string from util.c to um_arch.c, where it is
actually initialized and used.  Also document its lack of locking.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Dike 2007-05-06 14:50:59 -07:00 committed by Linus Torvalds
parent a5ed1ffa6c
commit b4ffb6ad8d
4 changed files with 9 additions and 9 deletions
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2
arch/um/include/os.h
View File

@ -273,7 +273,7 @@ extern void stack_protections(unsigned long address);
extern void task_protections(unsigned long address);
extern int raw(int fd);
extern void setup_machinename(char *machine_out);
extern void setup_hostinfo(void);
extern void setup_hostinfo(char *buf, int len);
extern int setjmp_wrapper(void (*proc)(void *, void *), ...);
/* time.c */

2
arch/um/include/user_util.h
View File

@ -36,8 +36,6 @@ extern unsigned long end_vm;
extern unsigned long start_vm;
extern unsigned long long highmem;
extern char host_info[];
extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end;
extern unsigned long _unprotected_end;
extern unsigned long brk_start;

6
arch/um/kernel/um_arch.c
View File

@ -17,6 +17,7 @@
#include "linux/seq_file.h"
#include "linux/delay.h"
#include "linux/module.h"
#include "linux/utsname.h"
#include "asm/page.h"
#include "asm/pgtable.h"
#include "asm/ptrace.h"
@ -67,6 +68,9 @@ unsigned long thread_saved_pc(struct task_struct *task)
task));
}
/* Changed in setup_arch, which is called in early boot */
static char host_info[(__NEW_UTS_LEN + 1) * 5];
static int show_cpuinfo(struct seq_file *m, void *v)
{
int index = 0;
@ -482,7 +486,7 @@ void __init setup_arch(char **cmdline_p)
paging_init();
strlcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
*cmdline_p = command_line;
setup_hostinfo();
setup_hostinfo(host_info, sizeof host_info);
}
void __init check_bugs(void)

6
arch/um/os-Linux/util.c
View File

@ -96,14 +96,12 @@ void setup_machinename(char *machine_out)
strcpy(machine_out, host.machine);
}
char host_info[(_UTSNAME_LENGTH + 1) * 4 + _UTSNAME_NODENAME_LENGTH + 1];
void setup_hostinfo(void)
void setup_hostinfo(char *buf, int len)
{
struct utsname host;
uname(&host);
sprintf(host_info, "%s %s %s %s %s", host.sysname, host.nodename,
snprintf(buf, len, "%s %s %s %s %s", host.sysname, host.nodename,
host.release, host.version, host.machine);
}