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


  • To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Wed, 9 Jun 2021 11:25:50 +0200
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  • Cc: Paul Durrant <paul@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>
  • Delivery-date: Wed, 09 Jun 2021 09:26:18 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

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

Jan




 


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