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Commit 6844dec6 authored by Marcelo Tosatti's avatar Marcelo Tosatti Committed by Avi Kivity
Browse files

KVM: MMU: mmu_convert_notrap helper 



Need to convert shadow_notrap_nonpresent -> shadow_trap_nonpresent when
unsyncing pages.

Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 07385413

arch/x86/kvm/mmu.c

+14 −0
Original line number Diff line number Diff line
@@ -1173,6 +1173,20 @@ static void page_header_update_slot(struct kvm *kvm, void *pte, gfn_t gfn) 
	__set_bit(slot, &sp->slot_bitmap);

}



static void mmu_convert_notrap(struct kvm_mmu_page *sp)

{

	int i;

	u64 *pt = sp->spt;



	if (shadow_trap_nonpresent_pte == shadow_notrap_nonpresent_pte)

		return;



	for (i = 0; i < PT64_ENT_PER_PAGE; ++i) {

		if (pt[i] == shadow_notrap_nonpresent_pte)

			set_shadow_pte(&pt[i], shadow_trap_nonpresent_pte);

	}

}



struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva)

{

	struct page *page;