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: a071261d9318 ("KVM: arm64: nVHE: Fix pointers during SMCCC convertion")
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20201026095116.72051-3-maz@xxxxxxxxxx
---
arch/arm64/kvm/hyp/nvhe/tlb.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/arm64/kvm/hyp/nvhe/tlb.c b/arch/arm64/kvm/hyp/nvhe/tlb.c
index 544bca3072b7..ad212d8fa417 100644
--- a/arch/arm64/kvm/hyp/nvhe/tlb.c
+++ b/arch/arm64/kvm/hyp/nvhe/tlb.c
@@ -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);
--
2.28.0
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