The patch titled
x86_64: 2048-byte command line
has been added to the -mm tree. Its filename is
x86_64-2048-byte-command-line.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: x86_64: 2048-byte command line
From: Alon Bar-Lev <alon.barlev@xxxxxxxxx>
Current implementation allows the kernel to receive up to 255 characters from
the bootloader. While the boot protocol allows greater buffers to be sent.
In current environment, the command-line is used in order to specify many
values, including suspend/resume, module arguments, splash, initramfs and
more.
255 characters are not enough anymore.
After edd issue was fixed, and dynammic kernel command-line patch was
accepted, we can extend the COMMAND_LINE_SIZE without runtime memory
requirements.
Signed-off-by: Alon Bar-Lev <alon.barlev@xxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
include/asm-x86_64/setup.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/asm-x86_64/setup.h~x86_64-2048-byte-command-line include/asm-x86_64/setup.h
--- a/include/asm-x86_64/setup.h~x86_64-2048-byte-command-line
+++ a/include/asm-x86_64/setup.h
@@ -1,6 +1,6 @@
#ifndef _x8664_SETUP_H
#define _x8664_SETUP_H
-#define COMMAND_LINE_SIZE 256
+#define COMMAND_LINE_SIZE 2048
#endif
_
Patches currently in -mm which might be from alon.barlev@xxxxxxxxx are
dynamic-kernel-command-line-common.patch
dynamic-kernel-command-line-alpha.patch
dynamic-kernel-command-line-arm.patch
dynamic-kernel-command-line-arm26.patch
dynamic-kernel-command-line-avr32.patch
dynamic-kernel-command-line-cris.patch
dynamic-kernel-command-line-frv.patch
dynamic-kernel-command-line-h8300.patch
dynamic-kernel-command-line-i386.patch
dynamic-kernel-command-line-ia64.patch
dynamic-kernel-command-line-m32r.patch
dynamic-kernel-command-line-m68k.patch
dynamic-kernel-command-line-m68knommu.patch
dynamic-kernel-command-line-mips.patch
dynamic-kernel-command-line-parisc.patch
dynamic-kernel-command-line-powerpc.patch
dynamic-kernel-command-line-ppc.patch
dynamic-kernel-command-line-s390.patch
dynamic-kernel-command-line-sh.patch
dynamic-kernel-command-line-sh64.patch
dynamic-kernel-command-line-sparc.patch
dynamic-kernel-command-line-sparc64.patch
dynamic-kernel-command-line-um.patch
dynamic-kernel-command-line-v850.patch
dynamic-kernel-command-line-x86_64.patch
dynamic-kernel-command-line-xtensa.patch
i386-2048-byte-command-line.patch
x86_64-2048-byte-command-line.patch
ia64-2048-byte-command-line.patch
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