I will just leave a link to Ben's detailed explanation https://lore.kernel.org/kvm/20201014182700.2888246-1-bgardon@xxxxxxxxxx/> This series puts together all the small changes that were pointed out on list; the only additions on my part are tracepoints and the introduction of two source files spte.c and spte.h for code common to mmu.c and tdp_mmu.c. Ben Gardon (19): kvm: mmu: Separate making non-leaf sptes from link_shadow_page kvm: x86/mmu: Separate making SPTEs from set_spte kvm: x86/mmu: Introduce tdp_iter kvm: x86/mmu: Init / Uninit the TDP MMU kvm: x86/mmu: Allocate and free TDP MMU roots kvm: x86/mmu: Add functions to handle changed TDP SPTEs kvm: x86/mmu: Support zapping SPTEs in the TDP MMU kvm: x86/mmu: Remove disallowed_hugepage_adjust shadow_walk_iterator arg kvm: x86/mmu: Add TDP MMU PF handler kvm: x86/mmu: Allocate struct kvm_mmu_pages for all pages in TDP MMU kvm: x86/mmu: Support invalidate range MMU notifier for TDP MMU kvm: x86/mmu: Add access tracking for tdp_mmu kvm: x86/mmu: Support changed pte notifier in tdp MMU kvm: x86/mmu: Support dirty logging for the TDP MMU kvm: x86/mmu: Support disabling dirty logging for the tdp MMU kvm: x86/mmu: Support write protection for nesting in tdp MMU kvm: x86/mmu: Support MMIO in the TDP MMU kvm: x86/mmu: Don't clear write flooding count for direct roots kvm: x86/mmu: NX largepage recovery for TDP MMU Paolo Bonzini (2): KVM: mmu: Separate updating a PTE from kvm_set_pte_rmapp KVM: mmu: extract spte.h and spte.c Peter Xu (1): KVM: Cache as_id in kvm_memory_slot arch/x86/include/asm/kvm_host.h | 14 + arch/x86/kvm/Makefile | 3 +- arch/x86/kvm/mmu/mmu.c | 785 ++++++--------------- arch/x86/kvm/mmu/mmu_internal.h | 88 ++- arch/x86/kvm/mmu/mmutrace.h | 8 +- arch/x86/kvm/mmu/paging_tmpl.h | 3 +- arch/x86/kvm/mmu/spte.c | 318 +++++++++ arch/x86/kvm/mmu/spte.h | 252 +++++++ arch/x86/kvm/mmu/tdp_iter.c | 182 +++++ arch/x86/kvm/mmu/tdp_iter.h | 60 ++ arch/x86/kvm/mmu/tdp_mmu.c | 1157 +++++++++++++++++++++++++++++++ arch/x86/kvm/mmu/tdp_mmu.h | 48 ++ include/linux/kvm_host.h | 2 + virt/kvm/kvm_main.c | 12 +- 14 files changed, 2329 insertions(+), 603 deletions(-) create mode 100644 arch/x86/kvm/mmu/spte.c create mode 100644 arch/x86/kvm/mmu/spte.h create mode 100644 arch/x86/kvm/mmu/tdp_iter.c create mode 100644 arch/x86/kvm/mmu/tdp_iter.h create mode 100644 arch/x86/kvm/mmu/tdp_mmu.c create mode 100644 arch/x86/kvm/mmu/tdp_mmu.h -- 2.26.2
