Re: [PATCH v6 26/34] iommu/amd: Allow the AMD IOMMU to work with memory encryption

From	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v6 26/34] iommu/amd: Allow the AMD IOMMU to work with memory encryption
Date	2017-06-15 22:20 +0200
Message-ID	<tSJpf-75B-7@gated-at.bofh.it> (permalink)
References	(2 earlier) <tSkAx-8cx-7@gated-at.bofh.it> <tSzzA-MV-21@gated-at.bofh.it> <tSzzA-MV-19@gated-at.bofh.it> <tSF2i-4cA-23@gated-at.bofh.it> <tSF2i-4cA-21@gated-at.bofh.it>
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On June 15, 2017 11:33:22 AM EDT, Borislav Petkov <bp@alien8.de> wrote:
>On Thu, Jun 15, 2017 at 09:59:45AM -0500, Tom Lendacky wrote:
>> Actually the detection routine, amd_iommu_detect(), is part of the
>> IOMMU_INIT_FINISH macro support which is called early through
>mm_init()
>> from start_kernel() and that routine is called before init_amd().
>
>Ah, we do that there too:
>
>	for (p = __iommu_table; p < __iommu_table_end; p++) {
>
>Can't say that that code with the special section and whatnot is
>obvious. :-\
>

Patches to make it more obvious would be always welcome!



Thanks!

Thread

Re: [PATCH v6 26/34] iommu/amd: Allow the AMD IOMMU to work with  memory encryption Borislav Petkov <bp@alien8.de> - 2017-06-14 19:50 +0200
  Re: [PATCH v6 26/34] iommu/amd: Allow the AMD IOMMU to work with  memory encryption Borislav Petkov <bp@alien8.de> - 2017-06-15 11:50 +0200
    Re: [PATCH v6 26/34] iommu/amd: Allow the AMD IOMMU to work with  memory encryption Borislav Petkov <bp@alien8.de> - 2017-06-15 17:40 +0200
      Re: [PATCH v6 26/34] iommu/amd: Allow the AMD IOMMU to work with memory encryption Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2017-06-15 22:20 +0200
      Re: [PATCH v6 26/34] iommu/amd: Allow the AMD IOMMU to work with  memory encryption Borislav Petkov <bp@alien8.de> - 2017-06-19 19:20 +0200

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