提交 55e858b7 编写于 作者: M Marc Zyngier 提交者: Paolo Bonzini

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: NMario Smarduch <m.smarduch@samsung.com>
Tested-by: NMario Smarduch <m.smarduch@samsung.com>
Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com>
Signed-off-by: NChristoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
上级 b1940cd2
......@@ -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,
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册