diff mbox series

[I,1/2] KVM: s390: allow facility 192 (vector-packed-decimal-enhancement facility 2)

Message ID 20210816110921.25756-2-frank.heimes@canonical.com
State New
Headers show
Series CPU Model for new IBM Z Hardware (LP: 1932174) | expand

Commit Message

Frank Heimes Aug. 16, 2021, 11:09 a.m. UTC 
From: Christian Borntraeger <borntraeger@de.ibm.com>

BugLink: https://bugs.launchpad.net/bugs/1932174

pass through newer vector instructions if vector support is enabled.

Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
(cherry picked from commit 1f703d2cf20464338c3d5279dddfb65ac79b8782)
Signed-off-by: Frank Heimes <frank.heimes@canonical.com>
---
 arch/s390/kvm/kvm-s390.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 876fc1f7282a..f72f361d39dd 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -713,6 +713,10 @@  int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap)
 				set_kvm_facility(kvm->arch.model.fac_mask, 152);
 				set_kvm_facility(kvm->arch.model.fac_list, 152);
 			}
+			if (test_facility(192)) {
+				set_kvm_facility(kvm->arch.model.fac_mask, 192);
+				set_kvm_facility(kvm->arch.model.fac_list, 192);
+			}
 			r = 0;
 		} else
 			r = -EINVAL;