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 <[email protected]>