Re: [PATCH] iommu/vt-d: gracefully handle DMAR units with no supported address widths

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On Wed, 2021-01-20 at 18:04 +0100, Greg KH wrote:
> I tried applying these to 5.4, 4.19, and 4.14, and they all fail to
> build:
> 
> drivers/iommu/dmar.c: In function ‘free_iommu’:
> drivers/iommu/dmar.c:1140:35: error: ‘struct intel_iommu’ has no member named ‘drhd’
>  1140 |  if (intel_iommu_enabled && !iommu->drhd->ignored) {
>       |                                   ^~
> 
> So if you could provide a working set of patches backported, I will be
> glad to queue them up.

Thanks.

I'm just heckling at Sam's backport of those, and we'll post tested
patches as soon as we're done.

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