The page table walk has gotten crufty over the years and is threatening to become even more crufty when SMAP is introduced. Clean it up (and optimize it) somewhat.
v2: fix SMEP false positive by moving checks to the end of the walk fix last_pte_bitmap documentation fix incorrect SMEP fault permission checks introduce helper for accessing the permission bitmap Avi Kivity (9): KVM: MMU: Push clean gpte write protection out of gpte_access() KVM: MMU: Optimize gpte_access() slightly KVM: MMU: Move gpte_access() out of paging_tmpl.h KVM: MMU: Update accessed and dirty bits after guest pagetable walk KVM: MMU: Optimize pte permission checks KVM: MMU: Simplify walk_addr_generic() loop KVM: MMU: Optimize is_last_gpte() KVM: MMU: Eliminate eperm temporary KVM: MMU: Avoid access/dirty update loop if all is well arch/x86/include/asm/kvm_host.h | 14 +++ arch/x86/kvm/mmu.c | 91 +++++++++++++++++++ arch/x86/kvm/mmu.h | 25 +++--- arch/x86/kvm/paging_tmpl.h | 190 +++++++++++++++++----------------------- arch/x86/kvm/x86.c | 11 +-- 5 files changed, 202 insertions(+), 129 deletions(-) -- 1.7.12 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
