From 535ef81c6e7910c0205f58a69ed6c765f8ba7f18 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Fri, 12 Feb 2016 12:24:20 +0100 Subject: [PATCH] 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: Christian Borntraeger Signed-off-by: David Hildenbrand Signed-off-by: Christian Borntraeger --- arch/s390/kvm/vsie.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c index 1165baf78535..7c9835b0a33f 100644 --- a/arch/s390/kvm/vsie.c +++ b/arch/s390/kvm/vsie.c @@ -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; -- GitLab