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>

2 files changed, 1 insertions, 3 deletions

diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 5c74da410451..22666b4a8be7 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -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 */
diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h
index 99492d5c82db..73ffea1829fc 100644
--- a/arch/um/include/user_util.h
+++ b/arch/um/include/user_util.h
@@ -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;