On Thu, Feb 17, 2022, Paolo Bonzini wrote: > The original use of KVM_X86_OP_NULL, which was to mark calls > that do not follow a specific naming convention, is not in use > anymore. Instead, let's mark calls that are optional because > they are always invoked within conditionals or with static_call_cond. > Those that are _not_, i.e. those that are defined with KVM_X86_OP, > must be defined by both vendor modules or some kind of NULL pointer > dereference is bound to happen at runtime. > > Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> > --- Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>