[PATCH 50/52] KVM: MMU: Adjust page_header_update_slot() to accept a gfn instead of a gpa

From: Avi Kivity
Date: Sun Dec 30 2007 - 02:25:06 EST


Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
---
drivers/kvm/mmu.c | 7 ++++---
drivers/kvm/paging_tmpl.h | 3 +--
2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index c3362ba..1dcffc4 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -860,9 +860,9 @@ static void mmu_unshadow(struct kvm *kvm, gfn_t gfn)
}
}

-static void page_header_update_slot(struct kvm *kvm, void *pte, gpa_t gpa)
+static void page_header_update_slot(struct kvm *kvm, void *pte, gfn_t gfn)
{
- int slot = memslot_id(kvm, gfn_to_memslot(kvm, gpa >> PAGE_SHIFT));
+ int slot = memslot_id(kvm, gfn_to_memslot(kvm, gfn));
struct kvm_mmu_page *page_head = page_header(__pa(pte));

__set_bit(slot, &page_head->slot_bitmap);
@@ -928,7 +928,8 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, hpa_t p)
return 0;
}
mark_page_dirty(vcpu->kvm, v >> PAGE_SHIFT);
- page_header_update_slot(vcpu->kvm, table, v);
+ page_header_update_slot(vcpu->kvm, table,
+ v >> PAGE_SHIFT);
table[index] = p | PT_PRESENT_MASK | PT_WRITABLE_MASK |
PT_USER_MASK;
if (!was_rmapped)
diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h
index 54a6ee8..a3da98b 100644
--- a/drivers/kvm/paging_tmpl.h
+++ b/drivers/kvm/paging_tmpl.h
@@ -259,8 +259,7 @@ unshadowed:

pgprintk("%s: setting spte %llx\n", __FUNCTION__, spte);
set_shadow_pte(shadow_pte, spte);
- page_header_update_slot(vcpu->kvm, shadow_pte,
- (gpa_t)gfn << PAGE_SHIFT);
+ page_header_update_slot(vcpu->kvm, shadow_pte, gfn);
if (!was_rmapped) {
rmap_add(vcpu, shadow_pte, gfn);
if (!is_rmap_pte(*shadow_pte))
--
1.5.3.7

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