KVM: s390: Return error on SIDA memop on normal guest

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Refuse SIDA memops on guests which are not protected.
For normal guests, the secure instruction data address designation,
which determines the location we access, is not under control of KVM.

Fixes: 19e1227768 (KVM: S390: protvirt: Introduce instruction data area bounce buffer)
Signed-off-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>

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Janis Schoetterl-Glausch 2022-01-28 15:06:43 +01:00 • committed by Christian Borntraeger

parent 9f7fb8de5d

commit 2c212e1bae

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arch/s390/kvm/kvm-s390.c

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