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
-
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