From: Georg Lippold <georg.lippold@gmx.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Jesper Juhl <jesper.juhl@gmail.com>, linux-kernel@vger.kernel.org
Subject: [PATCH 1/1] 2.6.14-rc3 x86: COMMAND_LINE_SIZE
Date: Mon, 10 Oct 2005 19:16:05 +0200 [thread overview]
Message-ID: <20051010171605.GA7793@georg.homeunix.org> (raw)
In-Reply-To: <434A8D70.5060300@zytor.com>
H. Peter Anvin wrote on Mon, Oct 10, 2005 at 08:49:04AM -0700:
> I would suggest updating your patch to include x86-64 and documentation,
> and submit it. Other architectures will have to do this as it suits them.
As requested.
Signed-off-by: Georg Lippold <georg.lippold@gmx.de>
diff -ur linux~/Documentation/i386/boot.txt linux/Documentation/i386/boot.txt
--- linux~/Documentation/i386/boot.txt 2005-09-30 23:17:35.000000000 +0200
+++ linux/Documentation/i386/boot.txt 2005-10-10 18:53:11.000000000 +0200
@@ -236,7 +236,7 @@
below.
The kernel command line is a null-terminated string currently up to
-255 characters long, plus the final null. A string that is too long
+1023 characters long, plus the final null. A string that is too long
will be automatically truncated by the kernel, a boot loader may allow
a longer command line to be passed to permit future kernels to extend
this limit.
diff -ur linux~/Documentation/x86_64/boot-options.txt linux/Documentation/x86_64/boot-options.txt
--- linux~/Documentation/x86_64/boot-options.txt 2005-09-30 23:17:35.000000000 +0200
+++ linux/Documentation/x86_64/boot-options.txt 2005-10-10 18:55:26.000000000 +0200
@@ -3,6 +3,9 @@
There are many others (usually documented in driver documentation), but
only the AMD64 specific ones are listed here.
+The kernel command line (/proc/cmdline) can have up to 1023 characters
+plus the terminating \0.
+
Machine check
mce=off disable machine check
diff -ur linux~/include/asm-i386/param.h linux/include/asm-i386/param.h
--- linux~/include/asm-i386/param.h 2005-09-30 23:17:35.000000000 +0200
+++ linux/include/asm-i386/param.h 2005-10-10 18:50:43.000000000 +0200
@@ -20,6 +20,6 @@
#endif
#define MAXHOSTNAMELEN 64 /* max length of hostname */
-#define COMMAND_LINE_SIZE 256
+#define COMMAND_LINE_SIZE 1024
#endif
diff -ur linux~/include/asm-i386/setup.h linux/include/asm-i386/setup.h
--- linux~/include/asm-i386/setup.h 2005-09-30 23:17:35.000000000 +0200
+++ linux/include/asm-i386/setup.h 2005-10-10 18:50:09.000000000 +0200
@@ -17,7 +17,7 @@
#define MAX_NONPAE_PFN (1 << 20)
#define PARAM_SIZE 4096
-#define COMMAND_LINE_SIZE 256
+#define COMMAND_LINE_SIZE 1024
#define OLD_CL_MAGIC_ADDR 0x90020
#define OLD_CL_MAGIC 0xA33F
diff -ur linux~/include/asm-x86_64/setup.h linux/include/asm-x86_64/setup.h
--- linux~/include/asm-x86_64/setup.h 2005-09-30 23:17:35.000000000 +0200
+++ linux/include/asm-x86_64/setup.h 2005-10-10 18:51:19.000000000 +0200
@@ -1,6 +1,6 @@
#ifndef _x8664_SETUP_H
#define _x8664_SETUP_H
-#define COMMAND_LINE_SIZE 256
+#define COMMAND_LINE_SIZE 1024
#endif
next prev parent reply other threads:[~2005-10-10 17:16 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4315B668.6030603@gmail.com>
2005-08-31 21:29 ` THE LINUX/I386 BOOT PROTOCOL - Breaking the 256 limit H. Peter Anvin
2005-08-31 21:57 ` Chris Wedgwood
2005-08-31 22:01 ` H. Peter Anvin
2005-08-31 22:07 ` Chris Wedgwood
2005-08-31 22:12 ` Jesper Juhl
2005-08-31 22:14 ` Chris Wedgwood
2005-08-31 22:17 ` H. Peter Anvin
2005-08-31 22:18 ` Jesper Juhl
2005-08-31 22:24 ` H. Peter Anvin
2005-09-01 8:54 ` Alon Bar-Lev
2005-08-31 22:12 ` H. Peter Anvin
2005-08-31 22:15 ` Chris Wedgwood
2005-09-01 20:48 ` [syslinux] " Peter Jones
2005-09-06 20:19 ` Alon Bar-Lev
2005-09-06 20:40 ` H. Peter Anvin
2005-09-06 20:49 ` Alon Bar-Lev
2005-10-06 22:49 ` Georg Lippold
2005-10-10 12:44 ` [PATCH] " Georg Lippold
2005-10-10 13:21 ` Jesper Juhl
2005-10-10 13:32 ` Alon Bar-Lev
2005-10-10 13:57 ` Georg Lippold
2005-10-10 14:07 ` Alon Bar-Lev
2005-10-10 14:53 ` H. Peter Anvin
2005-10-10 14:59 ` Alon Bar-Lev
2005-10-10 15:03 ` H. Peter Anvin
2005-10-10 16:23 ` Alon Bar-Lev
2005-10-10 17:02 ` Bernd Petrovitsch
2005-10-10 15:46 ` Georg Lippold
2005-10-10 15:49 ` H. Peter Anvin
2005-10-10 17:16 ` Georg Lippold [this message]
2005-10-10 18:24 ` [PATCH 1/1] 2.6.14-rc3 x86: COMMAND_LINE_SIZE Alon Bar-Lev
2005-10-10 20:36 ` Georg Lippold
2005-10-11 8:32 ` Alon Bar-Lev
2005-10-11 16:50 ` Georg Lippold
2005-10-11 17:44 ` Alon Bar-Lev
2005-10-11 19:21 ` Andi Kleen
2005-10-11 19:24 ` Alon Bar-Lev
2005-10-11 20:21 ` Andi Kleen
2005-10-11 20:04 ` Alon Bar-Lev
2005-10-13 20:18 ` Georg Lippold
2005-10-11 1:48 ` THE LINUX/I386 BOOT PROTOCOL - Breaking the 256 limit Coywolf Qi Hunt
2005-10-11 1:49 ` H. Peter Anvin
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