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KVM: s390: Privileged operation check for TPROT 

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 <thuth@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Thomas Huth 2013-06-20 17:22:00 +02:00 committed by Paolo Bonzini
parent 208dd7567d
commit f9f6bbc699
1 changed files with 3 additions and 0 deletions
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3
arch/s390/kvm/priv.c
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@ -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: