On 25/02/20 16:09, Vitaly Kuznetsov wrote: >> Apart from the stupidity of the above case, why would it be EINVAL? >> > I suggested -EINVAL because issuing KVM_GET_SUPPORTED_CPUID with nent=0 > looks more like a completely invalid input and not 'too many > entries'(-E2BIG) to me (but -E2BIG is already there, let's keep it, it's > not a big deal). Yes, and in fact he already does that change a few patches later. Paolo