Commit beab7d05 authored by Marc Zyngier's avatar Marc Zyngier
Browse files

KVM: arm64: nv: Handle TLBI S1E2 for VNCR invalidation with mmu_lock held 



Calling invalidate_vncr_va() without the mmu_lock held for write
is a bad idea, and lockdep tells you about that.

Fixes: 4ffa72ad ("KVM: arm64: nv: Add S1 TLB invalidation primitive for VNCR_EL2")
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
parent d43548f4

arch/arm64/kvm/nested.c

+2 −0
Original line number Diff line number Diff line
@@ -1044,6 +1044,8 @@ void kvm_handle_s1e2_tlbi(struct kvm_vcpu *vcpu, u32 inst, u64 val) 
	struct s1e2_tlbi_scope scope = {};



	compute_s1_tlbi_range(vcpu, inst, val, &scope);



	guard(write_lock)(&vcpu->kvm->mmu_lock);

	invalidate_vncr_va(vcpu->kvm, &scope);

}