Commit a3aa51cf authored Jul 13, 2010 by Avi Kivity

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>

parent 121eee97

arch/x86/kvm/mmu.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -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)
		{

arch/x86/kvm/paging_tmpl.h

+1 −4

Original line number	Diff line number	Diff line
		@@ -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;