AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

KVM: s390: vsie: support edat1 / edat2

Browse Source 
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>
This commit is contained in:
David Hildenbrand 2016-02-12 12:24:20 +01:00 committed by Christian Borntraeger
parent 3573602b20
commit 535ef81c6e
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/s390/kvm/vsie.c
View File

@ -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;