Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423103AbXBUUdl (ORCPT ); Wed, 21 Feb 2007 15:33:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1423104AbXBUUdl (ORCPT ); Wed, 21 Feb 2007 15:33:41 -0500 Received: from [198.99.130.12] ([198.99.130.12]:59699 "EHLO saraswathi.solana.com" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1423103AbXBUUdj (ORCPT ); Wed, 21 Feb 2007 15:33:39 -0500 Message-Id: <200702212025.l1LKPKeG006784@ccure.user-mode-linux.org> X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.0.4 To: akpm@osdl.org cc: linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net Subject: [PATCH 3/4] UML - host_info tidying Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 21 Feb 2007 15:25:20 -0500 From: Jeff Dike Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3673 Lines: 97 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 *), ...) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/