Hello!
> --- a/Documentation/virtual/kvm/api.txt
> +++ b/Documentation/virtual/kvm/api.txt
> @@ -3359,6 +3359,14 @@ Hyper-V SynIC state change. Notification is used to remap SynIC
> event/message pages and to enable/disable SynIC messages/events processing
> in userspace.
>
> + /* KVM_EXIT_HYPERV_HCALL */
> + struct {
> + __u64 input;
> + __u64 params[2];
> + __u64 result;
> + } hv_hcall;
> +Indicates that the VCPU exits into userspace to process some guest
> +Hyper-V hypercalls.
Why introducing this? We already have KVM_EXIT_HYPERCALL, which is exactly the same. AFAIK it's not used at the moment.
Additionally, in theory we could have hypercalls handled in userspace for something else except HyperV. And not only for x86.
Kind regards,
Pavel Fedin
Senior Engineer
Samsung Electronics Research center Russia
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
