]> git.baikalelectronics.ru Git - kernel.git/commit
[S390] Extra Kernel Parameters via VMPARM
authorHendrik Brueckner <brueckner@linux.vnet.ibm.com>
Mon, 14 Jul 2008 07:59:09 +0000 (09:59 +0200)
committerHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 14 Jul 2008 08:02:14 +0000 (10:02 +0200)
commitdf19b2c0b980af9aa3fc6d086980cc9627cd1ffb
treef8e14901a87201539f1f6124c4c0fd018da712eb
parent73bbf845c9d86dc5ceaf5fe144c88ec9aa9a497e
[S390] Extra Kernel Parameters via VMPARM

Now it is possible to specify additional kernel parameters on the IPL
command line using the IPL PARM option.
If the Linux system is already running, the new reipl sysfs attribute
'parm' can be used to change kernel parameters for the next reboot.
Examples:
  IPL    C PARM dasd=1234 root=/dev/dasda1
  IPL 1234 PARM savesys=mylnxnss
  echo "init=/bin/bash" > /sys/firmware/reipl/ccw/parm

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
arch/s390/kernel/early.c
arch/s390/kernel/ipl.c
arch/s390/kernel/setup.c
include/asm-s390/ipl.h
include/asm-s390/setup.h