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-rw-r--r--arch/x86/kvm/mmu.c30
-rw-r--r--arch/x86/kvm/paging_tmpl.h3
2 files changed, 18 insertions, 15 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 12974de88aa..b67585c1ef0 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -394,9 +394,9 @@ static int *slot_largepage_idx(gfn_t gfn, struct kvm_memory_slot *slot)
{
unsigned long idx;
- idx = (gfn / KVM_PAGES_PER_HPAGE) -
- (slot->base_gfn / KVM_PAGES_PER_HPAGE);
- return &slot->lpage_info[idx].write_count;
+ idx = (gfn / KVM_PAGES_PER_HPAGE(PT_DIRECTORY_LEVEL)) -
+ (slot->base_gfn / KVM_PAGES_PER_HPAGE(PT_DIRECTORY_LEVEL));
+ return &slot->lpage_info[0][idx].write_count;
}
static void account_shadowed(struct kvm *kvm, gfn_t gfn)
@@ -485,10 +485,10 @@ static unsigned long *gfn_to_rmap(struct kvm *kvm, gfn_t gfn, int lpage)
if (!lpage)
return &slot->rmap[gfn - slot->base_gfn];
- idx = (gfn / KVM_PAGES_PER_HPAGE) -
- (slot->base_gfn / KVM_PAGES_PER_HPAGE);
+ idx = (gfn / KVM_PAGES_PER_HPAGE(PT_DIRECTORY_LEVEL)) -
+ (slot->base_gfn / KVM_PAGES_PER_HPAGE(PT_DIRECTORY_LEVEL));
- return &slot->lpage_info[idx].rmap_pde;
+ return &slot->lpage_info[0][idx].rmap_pde;
}
/*
@@ -731,11 +731,11 @@ static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
end = start + (memslot->npages << PAGE_SHIFT);
if (hva >= start && hva < end) {
gfn_t gfn_offset = (hva - start) >> PAGE_SHIFT;
+ int idx = gfn_offset /
+ KVM_PAGES_PER_HPAGE(PT_DIRECTORY_LEVEL);
retval |= handler(kvm, &memslot->rmap[gfn_offset]);
retval |= handler(kvm,
- &memslot->lpage_info[
- gfn_offset /
- KVM_PAGES_PER_HPAGE].rmap_pde);
+ &memslot->lpage_info[0][idx].rmap_pde);
}
}
@@ -1876,8 +1876,9 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn)
pfn_t pfn;
unsigned long mmu_seq;
- if (is_largepage_backed(vcpu, gfn & ~(KVM_PAGES_PER_HPAGE-1))) {
- gfn &= ~(KVM_PAGES_PER_HPAGE-1);
+ if (is_largepage_backed(vcpu, gfn &
+ ~(KVM_PAGES_PER_HPAGE(PT_DIRECTORY_LEVEL) - 1))) {
+ gfn &= ~(KVM_PAGES_PER_HPAGE(PT_DIRECTORY_LEVEL) - 1);
largepage = 1;
}
@@ -2082,8 +2083,9 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa,
if (r)
return r;
- if (is_largepage_backed(vcpu, gfn & ~(KVM_PAGES_PER_HPAGE-1))) {
- gfn &= ~(KVM_PAGES_PER_HPAGE-1);
+ if (is_largepage_backed(vcpu, gfn &
+ ~(KVM_PAGES_PER_HPAGE(PT_DIRECTORY_LEVEL) - 1))) {
+ gfn &= ~(KVM_PAGES_PER_HPAGE(PT_DIRECTORY_LEVEL) - 1);
largepage = 1;
}
mmu_seq = vcpu->kvm->mmu_notifier_seq;
@@ -2485,7 +2487,7 @@ static void mmu_guess_page_from_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
gfn = (gpte & PT64_BASE_ADDR_MASK) >> PAGE_SHIFT;
if (is_large_pte(gpte) && is_largepage_backed(vcpu, gfn)) {
- gfn &= ~(KVM_PAGES_PER_HPAGE-1);
+ gfn &= ~(KVM_PAGES_PER_HPAGE(PT_DIRECTORY_LEVEL) - 1);
vcpu->arch.update_pte.largepage = 1;
}
vcpu->arch.update_pte.mmu_seq = vcpu->kvm->mmu_notifier_seq;
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 322e8113aee..53e129cec5f 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -401,7 +401,8 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr,
if (walker.level == PT_DIRECTORY_LEVEL) {
gfn_t large_gfn;
- large_gfn = walker.gfn & ~(KVM_PAGES_PER_HPAGE-1);
+ large_gfn = walker.gfn &
+ ~(KVM_PAGES_PER_HPAGE(PT_DIRECTORY_LEVEL) - 1);
if (is_largepage_backed(vcpu, large_gfn)) {
walker.gfn = large_gfn;
largepage = 1;