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

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

Fixes: 4ffa72ad8f ("KVM: arm64: nv: Add S1 TLB invalidation primitive for VNCR_EL2")
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier
2025-05-21 10:58:29 +01:00
parent d43548f422
commit beab7d0583
1 changed files with 2 additions and 0 deletions
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2
arch/arm64/kvm/nested.c
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@@ -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);
}