From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1HJy9E-0007OF-2H for user-mode-linux-devel@lists.sourceforge.net; Wed, 21 Feb 2007 12:33:08 -0800 Received: from saraswathi.solana.com ([198.99.130.12]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1HJy9D-0003Zf-HQ for user-mode-linux-devel@lists.sourceforge.net; Wed, 21 Feb 2007 12:33:08 -0800 Message-Id: <200702212025.l1LKPKeG006784@ccure.user-mode-linux.org> Mime-Version: 1.0 Date: Wed, 21 Feb 2007 15:25:20 -0500 From: Jeff Dike Subject: [uml-devel] [PATCH 3/4] UML - host_info tidying List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-bounces@lists.sourceforge.net Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: akpm@osdl.org Cc: linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net 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 -- arch/um/include/os.h | 2 +- arch/um/include/user_util.h | 2 -- arch/um/kernel/um_arch.c | 6 +++++- arch/um/os-Linux/util.c | 8 +++----- 4 files changed, 9 insertions(+), 9 deletions(-) Index: linux-2.6.17/arch/um/include/os.h =================================================================== --- linux-2.6.17.orig/arch/um/include/os.h 2007-02-19 11:39:11.000000000 -0500 +++ linux-2.6.17/arch/um/include/os.h 2007-02-19 12:55:11.000000000 -0500 @@ -273,7 +273,7 @@ extern void stack_protections(unsigned l 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 */ Index: linux-2.6.17/arch/um/include/user_util.h =================================================================== --- linux-2.6.17.orig/arch/um/include/user_util.h 2007-02-19 12:52:22.000000000 -0500 +++ linux-2.6.17/arch/um/include/user_util.h 2007-02-19 12:55:36.000000000 -0500 @@ -36,8 +36,6 @@ extern unsigned long end_vm; extern unsigned long start_vm; extern unsigned long long highmem; -extern char host_info[]; - extern char saved_command_line[]; extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end; Index: linux-2.6.17/arch/um/kernel/um_arch.c =================================================================== --- linux-2.6.17.orig/arch/um/kernel/um_arch.c 2007-02-19 12:53:54.000000000 -0500 +++ linux-2.6.17/arch/um/kernel/um_arch.c 2007-02-19 12:55:11.000000000 -0500 @@ -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" @@ -68,6 +69,9 @@ unsigned long thread_saved_pc(struct tas 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; @@ -483,7 +487,7 @@ void __init setup_arch(char **cmdline_p) paging_init(); strlcpy(saved_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) Index: linux-2.6.17/arch/um/os-Linux/util.c =================================================================== --- linux-2.6.17.orig/arch/um/os-Linux/util.c 2007-02-19 11:39:09.000000000 -0500 +++ linux-2.6.17/arch/um/os-Linux/util.c 2007-02-19 12:55:11.000000000 -0500 @@ -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 *), ...) ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel