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authorAvi Kivity <avi@redhat.com>2010-07-13 14:27:06 +0300
committerAvi Kivity <avi@redhat.com>2010-08-02 06:40:42 +0300
commita3aa51cfaafe9179add88db20506ccb07e030b47 (patch)
treeb58ee2e25bb147d2bd4987eb1fa4d4737dd57bc9 /arch/x86/kvm
parent121eee97a7802acda8b78436cc53196e9885549f (diff)
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KVM: MMU: Add drop_large_spte() helper
To clarify spte fetching code, move large spte handling into a helper. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/mmu.c8
-rw-r--r--arch/x86/kvm/paging_tmpl.h5
2 files changed, 9 insertions, 4 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 5a6019a..b75d6cb 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1492,6 +1492,14 @@ static void link_shadow_page(u64 *sptep, struct kvm_mmu_page *sp)
__set_spte(sptep, spte);
}
+static void drop_large_spte(struct kvm_vcpu *vcpu, u64 *sptep)
+{
+ if (is_large_pte(*sptep)) {
+ drop_spte(vcpu->kvm, sptep, shadow_trap_nonpresent_pte);
+ kvm_flush_remote_tlbs(vcpu->kvm);
+ }
+}
+
static void kvm_mmu_page_unlink_children(struct kvm *kvm,
struct kvm_mmu_page *sp)
{
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 36dc074..0fb7068 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -360,10 +360,7 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
kvm_flush_remote_tlbs(vcpu->kvm);
}
- if (is_large_pte(*sptep)) {
- drop_spte(vcpu->kvm, sptep, shadow_trap_nonpresent_pte);
- kvm_flush_remote_tlbs(vcpu->kvm);
- }
+ drop_large_spte(vcpu, sptep);
if (level <= gw->level) {
direct = 1;