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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2015-11-27 12:34:28 +0100
committerChristian Borntraeger <borntraeger@de.ibm.com>2016-06-21 09:43:35 +0200
commit4ceafa9027b0c2671ab731c7d95896a5b3c2dc0b (patch)
treefc653277f1b45f497c4f5edd5b7c0c198c2ada26 /arch/s390
parent535ef81c6e7910c0205f58a69ed6c765f8ba7f18 (diff)
downloadlinux-0-day-4ceafa9027b0c2671ab731c7d95896a5b3c2dc0b.tar.gz
linux-0-day-4ceafa9027b0c2671ab731c7d95896a5b3c2dc0b.tar.xz
KVM: s390: vsie: support host-protection-interruption
Introduced with ESOP, therefore available for the guest if it is allowed to use ESOP. Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kvm/vsie.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index 7c9835b0a33f7..aaed63ce29b23 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -240,6 +240,9 @@ static int shadow_scb(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
/* MVPG and Protection Exception Interpretation are always available */
scb_s->eca |= scb_o->eca & 0x01002000U;
+ /* Host-protection-interruption introduced with ESOP */
+ if (test_kvm_cpu_feat(vcpu->kvm, KVM_S390_VM_CPU_FEAT_ESOP))
+ scb_s->ecb |= scb_o->ecb & 0x02U;
prepare_ibc(vcpu, vsie_page);
out: