diff options
| author | Michael Mueller <mimu@linux.vnet.ibm.com> | 2017-06-23 14:46:21 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2018-01-26 14:13:57 +0100 |
| commit | f180bfdae024b34e71e89dcc82b037dd97f74c3a (patch) | |
| tree | 68aa4e01cd7fda9769e06556f9ce44ebfe6edd3f /arch/s390 | |
| parent | 4b35f65e67ee0e5bc4f394efa14a9fa3917cd2c1 (diff) | |
| download | linux-f180bfdae024b34e71e89dcc82b037dd97f74c3a.tar.bz2 | |
KVM: s390: activate GISA for emulated interrupts
If the AIV facility is available, a GISA will be used to manage emulated
adapter interrupts.
Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kvm/interrupt.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index f2dc86884ea4..488ecc7ea2a1 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -2842,7 +2842,13 @@ void kvm_s390_gisa_clear(struct kvm *kvm) void kvm_s390_gisa_init(struct kvm *kvm) { - /* not implemented yet */ + if (!css_general_characteristics.aiv) + kvm->arch.gisa = NULL; + else { + kvm->arch.gisa = &kvm->arch.sie_page2->gisa; + VM_EVENT(kvm, 3, "gisa 0x%pK initialized", kvm->arch.gisa); + kvm_s390_gisa_clear(kvm); + } } void kvm_s390_gisa_destroy(struct kvm *kvm) |