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65a891fa35
chreipl accepts --bootparms for list-directed IPL, but for ECKD re-IPL the
value was never committed to sysfs, so the requested boot parameters did
not take effect.
Write the boot parameters to the firmware scp_data attribute when
configuring an ECKD re-IPL target. Also validate that the ECKD re-IPL
sysfs interface exists and enforce the maximum supported boot parameter
length up front.
Fixes: 7c24855ba1 ("ipl_tools: add support for list-directed IPL from ECKD DASD")
Reviewed-by: Jan Polensky <japo@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>