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[PATCH] Dynamic kernel command-line: i386 

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>
This commit is contained in:
Alon Bar-Lev 2007-02-12 00:54:11 -08:00 committed by Linus Torvalds
parent 5ff625904c
commit 4e498b6610
2 changed files with 3 additions and 3 deletions
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2
arch/i386/kernel/head.S
View File

@ -103,7 +103,7 @@ ENTRY(startup_32)
movzwl OLD_CL_OFFSET,%esi movzwl OLD_CL_OFFSET,%esi
addl $(OLD_CL_BASE_ADDR),%esi addl $(OLD_CL_BASE_ADDR),%esi
2: 2:
movl $(saved_command_line - __PAGE_OFFSET),%edi movl $(boot_command_line - __PAGE_OFFSET),%edi
movl $(COMMAND_LINE_SIZE/4),%ecx movl $(COMMAND_LINE_SIZE/4),%ecx
rep rep
movsl movsl

4
arch/i386/kernel/setup.c
View File

@ -132,7 +132,7 @@ unsigned long saved_videomode;
#define RAMDISK_PROMPT_FLAG 0x8000 #define RAMDISK_PROMPT_FLAG 0x8000
#define RAMDISK_LOAD_FLAG 0x4000 #define RAMDISK_LOAD_FLAG 0x4000
static char command_line[COMMAND_LINE_SIZE]; static char __initdata command_line[COMMAND_LINE_SIZE];
unsigned char __initdata boot_params[PARAM_SIZE]; unsigned char __initdata boot_params[PARAM_SIZE];
@ -576,7 +576,7 @@ void __init setup_arch(char **cmdline_p)
print_memory_map("user"); print_memory_map("user");
} }
strlcpy(command_line, saved_command_line, COMMAND_LINE_SIZE); strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
*cmdline_p = command_line; *cmdline_p = command_line;
max_low_pfn = setup_memory(); max_low_pfn = setup_memory();