s390: disable preemption when switching to nodat stack with CALL_ON_STACK

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Make sure preemption is disabled when temporary switching to nodat
stack with CALL_ON_STACK helper, because nodat stack is per cpu.

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

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Vasily Gorbik 2019-11-22 12:19:16 +01:00

parent c2e06e15ad

commit 7f28dad395

2 changed files with 11 additions and 3 deletions

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2

arch/s390/kernel/machine_kexec.c

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12

arch/s390/mm/maccess.c

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