s390/mm: Fix handling of vmalloc area in do_secure_storage_access()

Secure storage access exceptions in vmalloc area need to be handled
separately since virt_to_phys() does not work on such addresses. Given
that there cannot be a valid access let such exceptions fail
immediately. The kernel will either fixup or crash.

Tested-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>> ---
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2026-07-20 10:58:30 +02:00 • committed by Vasily Gorbik
commit a2e5a9d853