Commit 11ad65b7 authored Apr 04, 2016 by David Hildenbrand Committed by Christian Borntraeger Jun 10, 2016

KVM: s390: enable ib only if available



Let's enable intervention bypass only if the facility is acutally
available.

Reviewed-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>

parent 72cd82b9

arch/s390/kvm/kvm-s390.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1845,7 +1845,9 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)

		if (test_kvm_facility(vcpu->kvm, 8))
		vcpu->arch.sie_block->ecb2 \|= 0x08;
		vcpu->arch.sie_block->eca = 0xC1002000U;
		vcpu->arch.sie_block->eca = 0x81002000U;
		if (sclp.has_ib)
		vcpu->arch.sie_block->eca \|= 0x40000000U;
		if (sclp.has_siif)
		vcpu->arch.sie_block->eca \|= 1;
		if (sclp.has_sigpif)