s390/maccess: add no DAT mode to kernel_write

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To be able to patch kernel code before paging is initialized do plain
memcpy if DAT is off. This is required to enable early jump label
initialization.

Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

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Vasily Gorbik 2020-06-24 17:39:14 +02:00 • committed by Heiko Carstens

parent 3047766bc6

commit d6df52e999

1 changed files with 9 additions and 5 deletions

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arch/s390/mm/maccess.c

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