Commit 1f4170e1 authored by Christian Borntraeger's avatar Christian Borntraeger Committed by Avi Kivity

KVM: s390: Fix kvm on IBM System z10

The z10 system supports large pages, kvm-s390 doesnt.
Make sure that we dont advertise large pages to avoid the guest crashing as
soon as the guest kernel activates DAT.
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent ed848624
...@@ -158,6 +158,7 @@ static int handle_stfl(struct kvm_vcpu *vcpu) ...@@ -158,6 +158,7 @@ static int handle_stfl(struct kvm_vcpu *vcpu)
vcpu->stat.instruction_stfl++; vcpu->stat.instruction_stfl++;
facility_list &= ~(1UL<<24); /* no stfle */ facility_list &= ~(1UL<<24); /* no stfle */
facility_list &= ~(1UL<<23); /* no large pages */
rc = copy_to_guest(vcpu, offsetof(struct _lowcore, stfl_fac_list), rc = copy_to_guest(vcpu, offsetof(struct _lowcore, stfl_fac_list),
&facility_list, sizeof(facility_list)); &facility_list, sizeof(facility_list));
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment