diff options
| author | Jeff Dike <jdike@addtoit.com> | 2007-05-06 14:50:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 12:13:00 -0700 |
| commit | b4ffb6ad8d8477b561377ca150bbbfc0db02da54 (patch) | |
| tree | 1f10ef5f1b2afc3ea4e991f473f5e5bfe497f608 /arch/um | |
| parent | a5ed1ffa6c2480cdcf3f0aa945f0b8622fe4e90b (diff) | |
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>
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/include/os.h | 2 | ||||
| -rw-r--r-- | arch/um/include/user_util.h | 2 | ||||
| -rw-r--r-- | arch/um/kernel/um_arch.c | 6 | ||||
| -rw-r--r-- | arch/um/os-Linux/util.c | 8 |
4 files changed, 9 insertions, 9 deletions
diff --git a/arch/um/include/os.h b/arch/um/include/os.h index 5c74da41045..22666b4a8be 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 99492d5c82d..73ffea1829f 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; diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index 299d75a41a7..613fb082bbd 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -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) diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c index 56b8a50e8bc..125854a2aa2 100644 --- a/arch/um/os-Linux/util.c +++ b/arch/um/os-Linux/util.c @@ -96,15 +96,13 @@ 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, - host.release, host.version, host.machine); + snprintf(buf, len, "%s %s %s %s %s", host.sysname, host.nodename, + host.release, host.version, host.machine); } int setjmp_wrapper(void (*proc)(void *, void *), ...) |