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(parent: 3047766) | patch
s390/maccess: add no DAT mode to kernel_write
authorVasily Gorbik <gor@linux.ibm.com>
Wed, 24 Jun 2020 15:39:14 +0000 (17:39 +0200)
committerHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 29 Jun 2020 14:26:36 +0000 (16:26 +0200)
commitd6df52e9996dcc2062c3d9c9123288468bb95b52
tree251daeb1efbedf4808f2e8a4bc52354b8ea7ed3ctree
parent3047766bc6ec9c6bc9ece85b45a41ff401e8d988commit | diff
s390/maccess: add no DAT mode to kernel_write

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>
arch/s390/mm/maccess.c diff | blob | blame | history
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