diff options
| author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2016-02-12 14:24:20 +0300 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-21 10:43:35 +0300 |
| commit | 535ef81c6e7910c0205f58a69ed6c765f8ba7f18 (patch) | |
| tree | 3cc61b4be70204238f611950ec504d34ad228323 /arch/s390/kvm/vsie.c | |
| parent | 3573602b20b061030c34b04f206b781857f155df (diff) | |
| download | linux-535ef81c6e7910c0205f58a69ed6c765f8ba7f18.tar.xz | |
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 <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/vsie.c')
| -rw-r--r-- | arch/s390/kvm/vsie.c | 7 |
1 files changed, 7 insertions, 0 deletions
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; |