2018-05-22 17:16+0300, Liran Alon: > Hi, > > This series aims to optimize KVM nested-VPID implementation. > Note: All the patches in this series are indepdendent and can be > applied seperately. > > 1st patch is just a small refactoring change. > > 2nd patch fixes a corner-case of not failing INVVPID type 0 > (individiual-address) in case operand.vpid==0. > > 3rd patch fixes an ancient issue of unnecessarely flushing TLB when > exiting from L2 to L1 even though TLB entries populated by L2 are > tagged with different VPID (vmx->nested.vpid02) than TLB entries > populated by L1 (vmx->vpid). > > 4rd patch optimizes L1 INVVPID type 0 (individiual-address) handling > by emulating it with INVVPID type 0 executed at L0 level. This allows > flushing only a single TLB entry tagged with vmx->nested.vpid02 > instead of all TLB entries tagged with vmx->nested.vpid02. Queued, thanks.
