gw->pte_access is the final access permission, since it is unified with gw->pt_access when we walked guest page table: FNAME(walk_addr_generic): pte_access = pt_access & FNAME(gpte_access)(vcpu, pte, true); Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx> --- arch/x86/kvm/paging_tmpl.h | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index c9fe97b..5c2aa40 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -479,7 +479,7 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, if (!is_present_gpte(gw->ptes[gw->level - 1])) return NULL; - direct_access = gw->pt_access & gw->pte_access; + direct_access = gw->pte_access; top_level = vcpu->arch.mmu.root_level; if (top_level == PT32E_ROOT_LEVEL) @@ -537,7 +537,7 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, link_shadow_page(it.sptep, sp); } - mmu_set_spte(vcpu, it.sptep, access, gw->pte_access & access, + mmu_set_spte(vcpu, it.sptep, access, gw->pte_access, user_fault, write_fault, ptwrite, it.level, gw->gfn, pfn, prefault, map_writable); FNAME(pte_prefetch)(vcpu, gw, it.sptep); -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
