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Re: [PATCH 2/2] intel-iommu: update iq_dw during post load
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From: |
Peter Xu |
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Subject: |
Re: [PATCH 2/2] intel-iommu: update iq_dw during post load |
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Date: |
Fri, 18 Mar 2022 15:30:02 +0800 |
On Thu, Mar 17, 2022 at 04:05:22PM +0800, Jason Wang wrote:
> We need to update iq_dw according to the DMA_IRQ_REG during post
> load. Otherwise we may get wrong IOTLB invalidation descriptor after
> migration.
>
> Fixes: fb43cf739e ("intel_iommu: scalable mode emulation")
> Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
--
Peter Xu