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| author | Alon Bar-Lev <alon.barlev@gmail.com> | 2007-02-12 00:54:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:39 -0800 |
| commit | adf48856db47f4f0f661f2f4b7004890408135cf (patch) | |
| tree | 04bc4bf2ffb77458aa9945829b3eeb616334f2b3 | |
| parent | 712f77b5659208b43c925e1b28c4f44891c4d94f (diff) | |
| download | linux-3.10-adf48856db47f4f0f661f2f4b7004890408135cf.tar.gz linux-3.10-adf48856db47f4f0f661f2f4b7004890408135cf.tar.bz2 linux-3.10-adf48856db47f4f0f661f2f4b7004890408135cf.zip | |
[PATCH] Dynamic kernel command-line: x86_64
1. Rename saved_command_line into boot_command_line.
2. Set command_line as __initdata.
Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/x86_64/kernel/head64.c | 4 | ||||
| -rw-r--r-- | arch/x86_64/kernel/setup.c | 6 | ||||
| -rw-r--r-- | include/asm-x86_64/bootsetup.h | 2 |
3 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86_64/kernel/head64.c b/arch/x86_64/kernel/head64.c index cc230b93cd1..be4bfb43d6d 100644 --- a/arch/x86_64/kernel/head64.c +++ b/arch/x86_64/kernel/head64.c @@ -34,7 +34,7 @@ static void __init clear_bss(void) #define OLD_CL_BASE_ADDR 0x90000 #define OLD_CL_OFFSET 0x90022 -extern char saved_command_line[]; +extern char __initdata boot_command_line[]; static void __init copy_bootdata(char *real_mode_data) { @@ -50,7 +50,7 @@ static void __init copy_bootdata(char *real_mode_data) new_data = OLD_CL_BASE_ADDR + * (u16 *) OLD_CL_OFFSET; } command_line = (char *) ((u64)(new_data)); - memcpy(saved_command_line, command_line, COMMAND_LINE_SIZE); + memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); } void __init x86_64_start_kernel(char * real_mode_data) diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index af425a8049f..60477244d1a 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -100,7 +100,7 @@ EXPORT_SYMBOL_GPL(edid_info); extern int root_mountflags; -char command_line[COMMAND_LINE_SIZE]; +char __initdata command_line[COMMAND_LINE_SIZE]; struct resource standard_io_resources[] = { { .name = "dma1", .start = 0x00, .end = 0x1f, @@ -343,7 +343,7 @@ static void discover_ebda(void) void __init setup_arch(char **cmdline_p) { - printk(KERN_INFO "Command line: %s\n", saved_command_line); + printk(KERN_INFO "Command line: %s\n", boot_command_line); ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); screen_info = SCREEN_INFO; @@ -373,7 +373,7 @@ void __init setup_arch(char **cmdline_p) early_identify_cpu(&boot_cpu_data); - strlcpy(command_line, saved_command_line, COMMAND_LINE_SIZE); + strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; parse_early_param(); diff --git a/include/asm-x86_64/bootsetup.h b/include/asm-x86_64/bootsetup.h index b829f7b534b..7b1c3ad155f 100644 --- a/include/asm-x86_64/bootsetup.h +++ b/include/asm-x86_64/bootsetup.h @@ -31,7 +31,7 @@ extern char x86_boot_params[BOOT_PARAM_SIZE]; #define EDD_MBR_SIG_NR (*(unsigned char *) (PARAM+EDD_MBR_SIG_NR_BUF)) #define EDD_MBR_SIGNATURE ((unsigned int *) (PARAM+EDD_MBR_SIG_BUF)) #define EDD_BUF ((struct edd_info *) (PARAM+EDDBUF)) -#define COMMAND_LINE saved_command_line +#define COMMAND_LINE boot_command_line #define RAMDISK_IMAGE_START_MASK 0x07FF #define RAMDISK_PROMPT_FLAG 0x8000 |