diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2015-01-11 14:10:10 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-01-12 11:15:23 +0100 |
| commit | 55e858b75808347378e5117c3c2339f46cc03575 (patch) | |
| tree | 6fdfa93da3aed4d42239951829522c2df9094e8d /arch/arm64/kvm | |
| parent | Linux 3.19-rc3 (diff) | |
| download | linux-55e858b75808347378e5117c3c2339f46cc03575.tar.xz linux-55e858b75808347378e5117c3c2339f46cc03575.zip | |
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 <m.smarduch@samsung.com>
Tested-by: Mario Smarduch <m.smarduch@samsung.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/arm64/kvm')
| -rw-r--r-- | arch/arm64/kvm/hyp.S | 1 |
1 files changed, 1 insertions, 0 deletions
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, |