s390/mcck: optimize user mode check in case of !CONFIG_KVM

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In case of the !CONFIG_KVM use "jz" instead of "jnz" when
detecting user mode and get rid of unnecessary jump as result.

Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Christia Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

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Alexander Gordeev 2021-06-22 19:06:18 +02:00 • committed by Vasily Gorbik

parent fbbdfca5c5

commit e2c13d6420

1 changed files with 4 additions and 2 deletions

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arch/s390/kernel/entry.S

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