[xen staging] changelog: note MSR access change

[patchbot@xxxxxxx]

commit 439085b2a797b627974f2bc224bdc19dc49b005d
Author:     Roger Pau Monné <roger.pau@xxxxxxxxxx>
AuthorDate: Fri Mar 26 16:16:48 2021 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Mar 26 16:16:48 2021 +0100

    changelog: note MSR access change
    
    The change to deny all accesses to MSRs indexes not explicitly handled
    prevents leaking unwanted data into guests.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>
---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f76fadf8c7..d81608af4d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ The format is based on [Keep a 
Changelog](https://keepachangelog.com/en/1.0.0/)
  - ARM IOREQ servers (device emulation etc.) (Tech Preview)
  - Renesas IPMMU-VMSA (Supported, not security supported; was Tech Preview)
  - ARM SMMUv3 (Tech Preview)
+ - Switched MSR accesses to deny by default policy.
 
 ## Removed / support downgraded
 
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generated by git-patchbot for /home/xen/git/xen.git#staging