Commit b6d6db4d authored Oct 26, 2020 by Marc Zyngier

KVM: arm64: Remove leftover kern_hyp_va() in nVHE TLB invalidation



The new calling convention says that pointers coming from the SMCCC
interface are turned into their HYP version in the host HVC handler.
However, there is still a stray kern_hyp_va() in the TLB invalidation
code, which could result in a corrupted pointer.

Drop the spurious conversion.

Fixes: a071261d ("KVM: arm64: nVHE: Fix pointers during SMCCC convertion")
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201026095116.72051-3-maz@kernel.org

parent 28e81c62

arch/arm64/kvm/hyp/nvhe/tlb.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -121,7 +121,6 @@ void __kvm_tlb_flush_local_vmid(struct kvm_s2_mmu *mmu)
		struct tlb_inv_context cxt;

		/* Switch to requested VMID */
		mmu = kern_hyp_va(mmu);
		__tlb_switch_to_guest(mmu, &cxt);

		__tlbi(vmalle1);

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