ChangeLog: mention IOMMU superpage support

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Henry Wang <Henry.Wang@arm.com>

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a7755d7b0f77a15a6b3e78fca49ac5492fe6c27..a87a193e1536243855a79b18709c6a202e2016a0 100644 (file)
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
  - On x86 "vga=current" can now be used together with GrUB2's gfxpayload setting. Note that
    this requires use of "multiboot2" (and "module2") as the GrUB commands loading Xen.
 
+### Added / support upgraded
+ - IOMMU superpage support on x86, affecting PV guests as well as HVM/PVH ones
+   when they don't share page tables with the CPU (HAP / EPT / NPT).
+
 ### Removed / support downgraded
  - dropped support for the (x86-only) "vesa-mtrr" and "vesa-remap" command line options