SUPPORT.MD: Clarify the support state for the Arm SMMUv{1, 2} drivers

SMMUv{1, 2} are both marked as security supported, so we would
technically have to issue an XSA for any IOMMU security bug.

However, at the moment, device passthrough is not security supported
on Arm and there is no plan to change that in the next few months.

Therefore, mark Arm SMMUv{1, 2} as supported but not security supported.

Signed-off-by: Julien Grall <jgrall@amazon.com>
Reviewed-by: Bertrand Marquis <bertrand.marquis@arm.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
(cherry picked from commit 28804c0ce9fde36feec04ad7f57b2683875da8a0)

diff --git a/SUPPORT.md b/SUPPORT.md
index 0c5bb6d4bce3c5306fe4b51f6de26dcd62183992..8a28a4c0e9f2eff43e71a6fcc8f25ef875d2bf8f 100644 (file)
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -56,8 +56,8 @@ Release Notes
 
     Status, AMD IOMMU: Supported
     Status, Intel VT-d: Supported
-    Status, ARM SMMUv1: Supported
-    Status, ARM SMMUv2: Supported
+    Status, ARM SMMUv1: Supported, not security supported
+    Status, ARM SMMUv2: Supported, not security supported
 
 ### ARM/GICv3 ITS