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Date: Mon, 4 Sep 2006 01:24:30 +0300 From: Alon Bar-Lev <alon.barlev@...il.com> To: Andi Kleen <ak@...e.de> Cc: Matt Domsch <Matt_Domsch@...l.com>, Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org, johninsd@....rr.com, davej@...emonkey.org.uk, Riley@...liams.name, trini@...nel.crashing.org, davem@...emloft.net, ecd@...inaid.de, jj@...site.ms.mff.cuni.cz, anton@...ba.org, wli@...omorphy.com, lethal@...ux-sh.org, rc@....org.uk, spyro@....com, rth@...ddle.net, avr32@...el.com, hskinnemoen@...el.com, starvik@...s.com, ralf@...ux-mips.org, matthew@....cx, grundler@...isc-linux.org, geert@...ux-m68k.org, zippel@...ux-m68k.org, paulus@...ba.org, schwidefsky@...ibm.com, heiko.carstens@...ibm.com, uclinux-v850@....nec.co.jp, chris@...kel.net Subject: [PATCH 25/26] 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@...il.com> --- diff -urNp linux-2.6.18-rc5-mm1.org/include/asm-x86_64/bootsetup.h linux-2.6.18-rc5-mm1/include/asm-x86_64/bootsetup.h --- linux-2.6.18-rc5-mm1.org/include/asm-x86_64/bootsetup.h 2006-06-18 04:49:35.000000000 +0300 +++ linux-2.6.18-rc5-mm1/include/asm-x86_64/bootsetup.h 2006-09-03 19:47:59.000000000 +0300 @@ -31,7 +31,7 @@ extern char x86_boot_params[BOOT_PARAM_S #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 diff -urNp linux-2.6.18-rc5-mm1.org/arch/x86_64/kernel/head64.c linux-2.6.18-rc5-mm1/arch/x86_64/kernel/head64.c --- linux-2.6.18-rc5-mm1.org/arch/x86_64/kernel/head64.c 2006-09-03 18:56:53.000000000 +0300 +++ linux-2.6.18-rc5-mm1/arch/x86_64/kernel/head64.c 2006-09-03 23:47:39.000000000 +0300 @@ -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 *r 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 -urNp linux-2.6.18-rc5-mm1.org/arch/x86_64/kernel/setup.c linux-2.6.18-rc5-mm1/arch/x86_64/kernel/setup.c --- linux-2.6.18-rc5-mm1.org/arch/x86_64/kernel/setup.c 2006-09-03 18:56:53.000000000 +0300 +++ linux-2.6.18-rc5-mm1/arch/x86_64/kernel/setup.c 2006-09-03 20:55:20.000000000 +0300 @@ -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, @@ -376,7 +376,7 @@ 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(); -- VGER BF report: H 0 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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