Commit 535ef81c authored by David Hildenbrand's avatar David Hildenbrand Committed by Christian Borntraeger
Browse files

KVM: s390: vsie: support edat1 / edat2 



If guest 2 is allowed to use edat 1 / edat 2, it can also set it up for
guest 3, so let's properly check and forward the edat cpuflags.

Acked-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 3573602b

arch/s390/kvm/vsie.c

+7 −0
Original line number Diff line number Diff line
@@ -97,6 +97,13 @@ static int prepare_cpuflags(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page) 


	/* intervention requests will be set later */

	newflags = CPUSTAT_ZARCH;

	if (cpuflags & CPUSTAT_GED && test_kvm_facility(vcpu->kvm, 8))

		newflags |= CPUSTAT_GED;

	if (cpuflags & CPUSTAT_GED2 && test_kvm_facility(vcpu->kvm, 78)) {

		if (cpuflags & CPUSTAT_GED)

			return set_validity_icpt(scb_s, 0x0001U);

		newflags |= CPUSTAT_GED2;

	}



	atomic_set(&scb_s->cpuflags, newflags);

	return 0;