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4 Commits

Author SHA1 Message Date
Michael Holzheu
60a0c68df2 [S390] kdump backend code 
This patch provides the architecture specific part of the s390 kdump
support.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 2011-10-30 15:16:42 +01:00
Michael Holzheu
9dc7356ee1 [S390] Use diagnose 308 for system reset 
The diagnose 308 call is the prefered method for clearing all ongoing I/O.
Therefore if it is available we use it instead of doing a manual reset.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
 2011-08-03 16:44:19 +02:00
Hendrik Brueckner
684d2fd48e [S390] kernel: Append scpdata to kernel boot command line 
Append scpdata to the kernel boot command line. If scpdata starts
with the equal sign (=), the kernel boot command line is replaced.
(For consistency with zIPL and IPL PARM parameters.)

To use scpdata for the kernel boot command line, scpdata must consist
of ascii characters only. If scpdata contains other characters,
scpdata is not appended to the kernel boot command line.
In addition, re-IPL is extended for setting scpdata for the next
Linux reboot.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 2009-09-11 10:29:46 +02:00
Martin Schwidefsky
c6557e7f2b [S390] move include/asm-s390 to arch/s390/include/asm 
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 2008-08-01 20:42:05 +02:00