s390/kvm: Mask extra bits from program interrupt code

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The program interrupt code has some extra bits that are sometimes set
by hardware for various reasons; those bits should be ignored when the
program interrupt number is needed for interrupt handling.

Fixes: 05066cafa9 ("s390/mm/fault: Handle guest-related program interrupts in KVM")
Reported-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Link: https://lore.kernel.org/r/20241031120316.25462-1-imbrenda@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

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Claudio Imbrenda 2024-10-31 13:03:16 +01:00 • committed by Heiko Carstens

parent 64844729a6

commit 34fb045edd

2 changed files with 2 additions and 2 deletions

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arch/s390/kvm/kvm-s390.c

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2

arch/s390/kvm/vsie.c

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