On Fri, Jul 14, 2023, Yan Zhao wrote: > This series refines mmu zap caused by EPT memory type update when guest > MTRRs are honored. > > Patches 1-5 revolve around utilizing helper functions to check if > KVM TDP honors guest MTRRs, TDP zaps and page fault max_level reduction > are now only targeted to TDPs that honor guest MTRRs. > > -The 5th patch will trigger zapping of TDP leaf entries if non-coherent > DMA devices count goes from 0 to 1 or from 1 to 0. > > Patches 6-7 are fixes and patches 9-12 are optimizations for mmu zaps > when guest MTRRs are honored. > Those mmu zaps are intended to remove stale memtypes of TDP entries > caused by changes of guest MTRRs and CR0.CD and are usually triggered from > all vCPUs in bursts. Sorry for the delayed review, especially with respect to patches 1-5. I completely forgot there were cleanups at the beginning of this series. I'll make to grab 1-5 early in the 6.7 cycle, even if you haven't sent a new version before then.