linux-kernel - [PATCH 09/26] Dynamic kernel command-line

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Message-Id: <200609040119.26111.alon.barlev@gmail.com>
Date:	Mon, 4 Sep 2006 01:19:24 +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 09/26] 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@...il.com>

---

diff -urNp linux-2.6.18-rc5-mm1.org/arch/i386/kernel/head.S linux-2.6.18-rc5-mm1/arch/i386/kernel/head.S
--- linux-2.6.18-rc5-mm1.org/arch/i386/kernel/head.S	2006-09-03 18:56:48.000000000 +0300
+++ linux-2.6.18-rc5-mm1/arch/i386/kernel/head.S	2006-09-03 19:47:58.000000000 +0300
@@ -97,7 +97,7 @@ 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
diff -urNp linux-2.6.18-rc5-mm1.org/arch/i386/kernel/setup.c linux-2.6.18-rc5-mm1/arch/i386/kernel/setup.c
--- linux-2.6.18-rc5-mm1.org/arch/i386/kernel/setup.c	2006-09-03 18:56:48.000000000 +0300
+++ linux-2.6.18-rc5-mm1/arch/i386/kernel/setup.c	2006-09-03 20:54:39.000000000 +0300
@@ -145,7 +145,7 @@ 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];
 
@@ -1396,7 +1396,7 @@ 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();

-- 
VGER BF report: H 0
-
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