On 12/08/21 20:14, Sean Christopherson wrote:
Patch 1 fixes a leak of root-1 shadow pages, patch 2 is a minor optimization to the zap all flow that avoids re-reading and re-checking the root-1 SPTEs after they've been zapped by "zap all" flows. I'm still somewhat on the fence for patch 2, feel free to drop it. v2: - Replaced magic number silliness with Paolo's much more clever suggestion. - Elaborated on the benefits of the optimization. - Add Ben's somewhat reluctant review for the optimization. v1: https://lkml.kernel.org/r/20210812050717.3176478-1-seanjc@xxxxxxxxxx Sean Christopherson (2): KVM: x86/mmu: Don't leak non-leaf SPTEs when zapping all SPTEs KVM: x86/mmu: Don't step down in the TDP iterator when zapping all SPTEs arch/x86/kvm/mmu/tdp_mmu.c | 35 ++++++++++++++++++++++++----------- 1 file changed, 24 insertions(+), 11 deletions(-)
Queued, thanks. Paolo
