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s390: make command line configurable

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Allow to configure the command line to an arbitrary length, with a
default of 4096 bytes. Also remove COMMAND_LINE_SIZE from
include/uapi/asm/setup.h as this is dynamic now and doesn't tell
anything about the command line size limitations of a new kernel
that might be loaded.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Sven Schnelle
2021-09-29 09:09:34 +02:00
committed by Vasily Gorbik
parent 5ecb2da660
commit 622021cd6c
3 changed files with 9 additions and 11 deletions
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arch/s390/include/asm/setup.h
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@@ -12,6 +12,7 @@
#define PARMAREA 0x10400
#define COMMAND_LINE_SIZE CONFIG_COMMAND_LINE_SIZE
/*
* Machine features detected in early.c
*/