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KVM: add support for any length io eventfd

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Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Jason Wang 2015-11-06 16:02:46 +08:00 • committed by Michael S. Tsirkin
parent b8aecea23a
commit 351082238d
3 changed files with 13 additions and 0 deletions
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4
kvm-all.c
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@ -109,6 +109,7 @@ bool kvm_allowed;
bool kvm_readonly_mem_allowed;
bool kvm_vm_attributes_allowed;
bool kvm_direct_msi_allowed;
bool kvm_ioeventfd_any_length_allowed;
static const KVMCapabilityInfo kvm_required_capabilites[] = {
KVM_CAP_INFO(USER_MEMORY),
@ -1611,6 +1612,9 @@ static int kvm_init(MachineState *ms)
kvm_vm_attributes_allowed =
(kvm_check_extension(s, KVM_CAP_VM_ATTRIBUTES) > 0);
kvm_ioeventfd_any_length_allowed =
(kvm_check_extension(s, KVM_CAP_IOEVENTFD_ANY_LENGTH) > 0);
ret = kvm_arch_init(ms, s);
if (ret < 0) {
goto err;