From: Thomas Huth <th...@linux.vnet.ibm.com>
TPROT is a privileged instruction and thus should generate a privileged
operation exception when the problem state bit is not cleared in the PSW.
Signed-off-by: Thomas Huth <th...@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.h...@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.h...@de.ibm.com>
---
arch/s390/kvm/priv.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index a21e014..04dc4a1 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -596,6 +596,9 @@ static int handle_tprot(struct kvm_vcpu *vcpu)
vcpu->stat.instruction_tprot++;
+ if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
+ return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
+
kvm_s390_get_base_disp_sse(vcpu, &address1, &address2);
/* we only handle the Linux memory detection case:
--
1.8.2.2
--
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