KVM: s390: activate GISA for emulated interrupts
"Linux Kernel Mailing List" <[email protected]> Sat, 10 Feb 2018 22:00:23 +0000 (UTC)
| Newsgroups | gmane.linux.kernel.commits.head |
|---|---|
| Message-ID | <[email protected]> |
Web: https://git.kernel.org/torvalds/c/f180bfdae024b34e71e89dcc82b037dd97f74c3a Commit: f180bfdae024b34e71e89dcc82b037dd97f74c3a Parent: 4b35f65e67ee0e5bc4f394efa14a9fa3917cd2c1 Refname: refs/heads/master Author: Michael Mueller <[email protected]> AuthorDate: Fri Jun 23 14:46:21 2017 +0200 Committer: Christian Borntraeger <[email protected]> CommitDate: Fri Jan 26 14:13:57 2018 +0100 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 <[email protected]> Reviewed-by: Halil Pasic <[email protected]> Reviewed-by: Christian Borntraeger <[email protected]> Reviewed-by: David Hildenbrand <[email protected]> Reviewed-by: Cornelia Huck <[email protected]> Signed-off-by: Christian Borntraeger <[email protected]> --- arch/s390/kvm/interrupt.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) 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) -- To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html