From: Marc Zyngier Date: Sun, 11 Jan 2015 13:10:10 +0000 (+0100) Subject: arm64: KVM: Fix TLB invalidation by IPA/VMID X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=55e858b75808347378e5117c3c2339f46cc03575;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git arm64: KVM: Fix TLB invalidation by IPA/VMID It took about two years for someone to notice that the IPA passed to TLBI IPAS2E1IS must be shifted by 12 bits. Clearly our reviewing is not as good as it should be... Paper bag time for me. Reported-by: Mario Smarduch Tested-by: Mario Smarduch Signed-off-by: Marc Zyngier Signed-off-by: Christoffer Dall Signed-off-by: Paolo Bonzini --- diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S index fbe909fb0a1a..c3ca89c27c6b 100644 --- a/arch/arm64/kvm/hyp.S +++ b/arch/arm64/kvm/hyp.S @@ -1014,6 +1014,7 @@ ENTRY(__kvm_tlb_flush_vmid_ipa) * Instead, we invalidate Stage-2 for this IPA, and the * whole of Stage-1. Weep... */ + lsr x1, x1, #12 tlbi ipas2e1is, x1 /* * We have to ensure completion of the invalidation at Stage-2,