Commit 538fbac7 authored by Marc Zyngier's avatar Marc Zyngier
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KVM: arm64: nv: Release faulted-in VNCR page from mmu_lock critical section 



The conversion to kvm_release_faultin_page() missed the requirement
for this to be called within a critical section with mmu_lock held
for write. Move this call up to satisfy this requirement.

Fixes: 069a05e5 ("KVM: arm64: nv: Handle VNCR_EL2-triggered faults")
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
parent beab7d05

arch/arm64/kvm/nested.c

+1 −1
Original line number Diff line number Diff line
@@ -1228,9 +1228,9 @@ static int kvm_translate_vncr(struct kvm_vcpu *vcpu) 
		vt->cpu = -1;



		kvm_make_request(KVM_REQ_MAP_L1_VNCR_EL2, vcpu);

		kvm_release_faultin_page(vcpu->kvm, page, false, vt->wr.pw);

	}



	kvm_release_faultin_page(vcpu->kvm, page, false, vt->wr.pw);

	if (vt->wr.pw)

		mark_page_dirty(vcpu->kvm, gfn);