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Commit 873b425e authored by David Hildenbrand's avatar David Hildenbrand Committed by Christian Borntraeger
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KVM: s390: enable PFMFI only if available 



Let's enable interpretation of PFMFI only if the facility is
actually available. Emulation code still works in case the guest is
offered EDAT-1.

Reviewed-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: default avatarDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent a0eb55e6

arch/s390/kvm/kvm-s390.c

+1 −1
Original line number Diff line number Diff line
@@ -1843,7 +1843,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) 
	if (test_kvm_facility(vcpu->kvm, 50) && test_kvm_facility(vcpu->kvm, 73))

		vcpu->arch.sie_block->ecb |= 0x10;



	if (test_kvm_facility(vcpu->kvm, 8))

	if (test_kvm_facility(vcpu->kvm, 8) && sclp.has_pfmfi)

		vcpu->arch.sie_block->ecb2 |= 0x08;

	vcpu->arch.sie_block->eca = 0x1002000U;

	if (sclp.has_cei)