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[PATCH 2/2] SUPPORT.md: State that ATS is unsupported
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jason Andryuk <jason.andryuk@xxxxxxx>
- Date: Wed, 14 Oct 2026 09:51:43 -0400
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- Cc: Jason Andryuk <jason.andryuk@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, "Julien Grall" <julien@xxxxxxx>, Roger Pau Monné <roger@xxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Wed, 14 Oct 2026 13:52:09 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
The command line documentation specifies that ATS is unsafe. Make it
explicitly unsupported in SUPPORT.md as well.
Signed-off-by: Jason Andryuk <jason.andryuk@xxxxxxx>
---
SUPPORT.md | 3 +++
1 file changed, 3 insertions(+)
diff --git a/SUPPORT.md b/SUPPORT.md
index eb07332462..8efab35004 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -96,6 +96,9 @@ For the Cortex A77 r0p0 - r1p0, see Errata 1508412.
Status, ARM SMMUv3: Tech Preview
Status, Renesas IPMMU-VMSA: Supported, not security supported
+PCI Address Translation Services (ATS), enabled by the ats= command line
+option, is not security supported.
+
### ARM/GICv3
GICv3 is an interrupt controller specification designed by Arm.
--
2.56.0
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