On 5/11/21 10:05 AM, Jon Kohler wrote: > To improve performance, use wrpkru directly in KVM code and simplify > the uses of __write_pkru such that it can be removed completely. I don't love the repeated: + if (pkru_val != rdpkru()) + wrpkru(pkru_val); But, all of the w*pkru() variants were getting confusing, even to me. :) Being explicit about the "wkpkru suppression" in a limited number of places looks fine. Acked-by: Dave Hansen <dave.hansen@xxxxxxxxx>
