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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	Original line	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);		__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,		static void kvm_mmu_page_unlink_children(struct kvm *kvm,
	struct kvm_mmu_page *sp)		struct kvm_mmu_page *sp)
	{		{

arch/x86/kvm/paging_tmpl.h

+1 −4

Original line number	Original line	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);		kvm_flush_remote_tlbs(vcpu->kvm);
	}		}

	if (is_large_pte(*sptep)) {		drop_large_spte(vcpu, sptep);
	drop_spte(vcpu->kvm, sptep, shadow_trap_nonpresent_pte);
	kvm_flush_remote_tlbs(vcpu->kvm);
	}

	if (level <= gw->level) {		if (level <= gw->level) {
	direct = 1;		direct = 1;