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[PATCH 0/2] VT-d: correct / extend workaround(s) leaving an IOMMU disabled
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 11 Oct 2021 10:48:28 +0200
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- Cc: Kevin Tian <kevin.tian@xxxxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>
- Delivery-date: Mon, 11 Oct 2021 08:48:43 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
This gets us closer to what Linux does, which hopefully improves
the experience for people running Xen on affected hardware.
Ian - I'm also Cc-ing you since this feels like being on the edge
between a new feature and a bug fix.
1: generalize and correct "iommu=no-igfx" handling
2: Tylersburg isoch DMAR unit with no TLB space
Jan
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