On 2/18/22 17:23, Sean Christopherson wrote:
The "AVIC" callbacks are being deleted, not
made optional, it's kvm_x86_ops' APICv hooks that are becoming optional.
Maybe "make several APIC virtualization callbacks optional".
+KVM_X86_OP_OPTIONAL(apicv_post_state_restore)
apicv_post_state_restore() isn't conditional, it's implemented and wired up
unconditionally by both VMX and SVM.
True, on the other hand there's no reason why a hypothetical third
vendor would have to support it. The call is conditional to
apicv_active being true.
Paolo
