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Re: [PATCH 0/4 v2] Implement access checks in iommu page fault paths

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On 11/17/2015 07:11 AM, Joerg Roedel wrote:
> Hi,
> 
> here is the second version of the patch-set to implement
> proper access checks into the io-page-fault handlers of the
> AMD IOMMU and Intel VT-d drivers.
> 
> Two additional patches clean up the AMD part a bit further.
> Since I can't test this this code myself due to lack of
> hardware or software that utilizes it, I'd appreciate some
> external testing.
> 
> It took me a while to get these out, mostly because I tried
> to setup my own HSA test environment to at least test the
> AMD changes myself. That failed, so I am sending this out
> with another request for testing.
> 
> Oded, Jesse, would you two please test these patches and
> report back? Thanks a lot!

I might be able to find time later this week or next; I have to update
my tree to David's latest bits and rebase my i915 code on top along with
these patches.  Then I can run some of my tests and expand them to try
r/w tests w/o mapping the buffer with the right access mode.

Jesse

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[PATCH 0/4 v2] Implement access checks in iommu page fault paths Joerg Roedel <joro@8bytes.org> - 2015-11-17 16:20 +0100
  [PATCH 1/4] iommu/amd: Do proper access checking before calling handle_mm_fault() Joerg Roedel <joro@8bytes.org> - 2015-11-17 16:20 +0100
  [PATCH 2/4] iommu/amd: Correctly set flags for handle_mm_fault call Joerg Roedel <joro@8bytes.org> - 2015-11-17 16:20 +0100
  [PATCH 3/4] iommu/amd: Cleanup error handling in do_fault() Joerg Roedel <joro@8bytes.org> - 2015-11-17 16:20 +0100
  [PATCH 4/4] iommu/vt-d: Do access checks before calling handle_mm_fault() Joerg Roedel <joro@8bytes.org> - 2015-11-17 16:20 +0100
    Re: [PATCH 4/4] iommu/vt-d: Do access checks before calling  handle_mm_fault() David Woodhouse <dwmw2@infradead.org> - 2015-11-20 16:40 +0100
  Re: [PATCH 0/4 v2] Implement access checks in iommu page fault paths Oded Gabbay <oded.gabbay@gmail.com> - 2015-11-18 15:10 +0100
  Re: [PATCH 0/4 v2] Implement access checks in iommu page fault paths Jesse Barnes <jbarnes@virtuousgeek.org> - 2015-11-18 17:20 +0100
    Re: [PATCH 0/4 v2] Implement access checks in iommu page fault paths Joerg Roedel <joro@8bytes.org> - 2015-11-27 13:10 +0100

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