On Thu, May 25, 2017 at 05:24:27PM -0500, Tom Lendacky wrote: > I guess I could do that, but this will probably only end up clearing a > single PGD entry anyway since it's highly doubtful the address range > would cross a 512GB boundary.
Or you can compute how many 512G-covering, i.e., PGD entries there are and clear just the right amnount. :^) > I can change the name. As for the use of ENTRY... without the > ENTRY/ENDPROC combination I was receiving a warning about a return > instruction outside of a callable function. It looks like I can just > define the "sme_enc_routine:" label with the ENDPROC and the warning > goes away and the global is avoided. It doesn't like the local labels > (.L...) so I'll use the new name. Is that warning from objtool or where does it come from? How do I trigger it locally? > The hardware will try to optimize rep movsb into large chunks assuming > things are aligned, sizes are large enough, etc. so we don't have to > explicitly specify and setup for a rep movsq. I thought the hw does that for movsq too? -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu