On Fri, 2017-09-08 at 15:44 -0700, Ram Pai wrote: > The second part of the PTE will hold > (H_PAGE_F_SECOND|H_PAGE_F_GIX) at bit 60,61,62,63. > NOTE: None of the bits in the secondary PTE were not used > by 64k-HPTE backed PTE.
Have you measured the performance impact of this ? The second part of the PTE being in a different cache line there could be one... Cheers, Ben.
