[patch 09/26] Dynamic kernel command-line - i386

Bernhard Walle
2007-01-18T13:04:52Z

[-- Attachment #1: dynamic-kernel-command-line-i386.diff --]
[-- Type: text/plain, Size: 1545 bytes --]

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>

---
arch/i386/kernel/head.S | 2 +-
arch/i386/kernel/setup.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

Index: linux-2.6.20-rc4-mm1/arch/i386/kernel/head.S
===================================================================
--- linux-2.6.20-rc4-mm1.orig/arch/i386/kernel/head.S
+++ linux-2.6.20-rc4-mm1/arch/i386/kernel/head.S
@@ -104,7 +104,7 @@ ENTRY(startup_32)
movzwl OLD_CL_OFFSET,%esi
addl $(OLD_CL_BASE_ADDR),%esi
2:
- movl $(saved_command_line - __PAGE_OFFSET),%edi
+ movl $(boot_command_line - __PAGE_OFFSET),%edi
movl $(COMMAND_LINE_SIZE/4),%ecx
rep
movsl
Index: linux-2.6.20-rc4-mm1/arch/i386/kernel/setup.c
===================================================================
--- linux-2.6.20-rc4-mm1.orig/arch/i386/kernel/setup.c
+++ linux-2.6.20-rc4-mm1/arch/i386/kernel/setup.c
@@ -133,7 +133,7 @@ unsigned long saved_videomode;
#define RAMDISK_PROMPT_FLAG 0x8000
#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];

@@ -577,7 +577,7 @@ void __init setup_arch(char **cmdline_p)
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;

max_low_pfn = setup_memory();

--