From 88cfd062e8318dfeb67c7d2eb50b6cd224b0738a Mon Sep 17 00:00:00 2001 From: Andrew Cooper Date: Fri, 26 Jun 2020 15:35:27 +0100 Subject: [PATCH] changelog: Add notes about CET and Migration changes Signed-off-by: Andrew Cooper Acked-by: Jan Beulich Reviewed-by: Paul Durrant Release-acked-by: Paul Durrant --- CHANGELOG.md | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/CHANGELOG.md b/CHANGELOG.md index 43fd260156..5c3d3c791d 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -21,6 +21,15 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) - New 'domid_policy', allowing domain-ids to be randomly chosen. - Option to preserve domain-id across migrate or save+restore. - Support in kdd for initial KD protocol handshake for Win 7, 8 and 10 (64 bit). + - Tech preview support for Control-flow Execution Technology, with Xen using + Supervisor Shadow Stacks for its own protection. + +### Changed + - The CPUID data seen by a guest on boot is now moved in the migration + stream. A guest migrating between non-identical hardware will now no + longer observe details such as Family/Model/Stepping, Cache, etc changing. + An administrator still needs to take care to ensure the features visible to + the guest at boot are compatible with anywhere it might migrate. ## [4.13.0](https://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=RELEASE-4.13.0) - 2019-12-17 -- 2.39.5