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Ping: [PATCH 0/9] IOMMU: XSA-373 follow-on

  • To: Paul Durrant <paul@xxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Wed, 23 Jun 2021 08:51:48 +0200
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  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Wed, 23 Jun 2021 06:52:11 +0000
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On 09.06.2021 11:25, Jan Beulich wrote:
> A number of further adjustments were left out of the XSA, for not
> being a security concern (anymore in some of the cases, with the
> changes put in place there). This is the collection, possibly
> looking a little random in what it contains.
> 1: AMD/IOMMU: redo awaiting of command completion
> 2: AMD/IOMMU: re-work locking around sending of commands

For these two I have v2 largely ready.

> 3: VT-d: undo device mappings upon error
> 4: VT-d: adjust domid map updating when unmapping context
> 5: VT-d: clear_fault_bits() should clear all fault bits
> 6: VT-d: don't lose errors when flushing TLBs on multiple IOMMUs
> 7: VT-d: centralize mapping of QI entries
> 8: VT-d: drop/move a few QI related constants

Kevin, any word on these?

> 9: IOMMU/PCI: don't let domain cleanup continue when device de-assignment 
> failed

Paul, any feedback on this one?

Thanks, Jan



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