Commit 33fd27c7 authored by Alexander Graf's avatar Alexander Graf Committed by Avi Kivity
Browse files

KVM: PPC: Release clean pages as clean 



When we mapped a page as read-only, we can just release it as clean to
KVM's page claim mechanisms, because we're pretty sure it hasn't been
touched.

Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 53e5b8bb

arch/powerpc/kvm/book3s_64_mmu_host.c

+5 −1
Original line number Diff line number Diff line
@@ -55,7 +55,11 @@ static void invalidate_pte(struct hpte_cache *pte) 
			       MMU_PAGE_4K, MMU_SEGSIZE_256M,

			       false);

	pte->host_va = 0;



	if (pte->pte.may_write)

		kvm_release_pfn_dirty(pte->pfn);

	else

		kvm_release_pfn_clean(pte->pfn);

}



void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 guest_ea, u64 ea_mask)