On Mon, Apr 11, 2022, Sean Christopherson wrote: > And as a bonus, if we use 0/-errno, then we can use KVM_X86_OP_OPTIONAL_RET0() > and SVM doesn't need to provide an implementation. Gah, got ahead of myself. If we go this route, the caller would need to ensure it initializes mt_mask. Probabably not worth it, so scratch that idea. I also though about overloading the return type, e.g. mt_mask = ... if (mt_mask < 0) return false; But again, probably not a net positive.
