[for-4.14] changelog: Add notes about CET and Migration changes
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Message ID 20200626143738.1525-1-andrew.cooper3@citrix.com
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  • [for-4.14] changelog: Add notes about CET and Migration changes
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Commit Message

Andrew Cooper June 26, 2020, 2:37 p.m. UTC
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
CC: George Dunlap <George.Dunlap@eu.citrix.com>
CC: Ian Jackson <ian.jackson@citrix.com>
CC: Jan Beulich <JBeulich@suse.com>
CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
CC: Stefano Stabellini <sstabellini@kernel.org>
CC: Wei Liu <wl@xen.org>
CC: Julien Grall <julien@xen.org>
CC: Paul Durrant <paul@xen.org>
---
 CHANGELOG.md | 9 +++++++++
 1 file changed, 9 insertions(+)

Comments

Paul Durrant June 26, 2020, 2:43 p.m. UTC | #1
> -----Original Message-----
> From: Andrew Cooper <andrew.cooper3@citrix.com>
> Sent: 26 June 2020 15:38
> To: Xen-devel <xen-devel@lists.xenproject.org>
> Cc: Andrew Cooper <andrew.cooper3@citrix.com>; George Dunlap <George.Dunlap@eu.citrix.com>; Ian
> Jackson <ian.jackson@citrix.com>; Jan Beulich <JBeulich@suse.com>; Konrad Rzeszutek Wilk
> <konrad.wilk@oracle.com>; Stefano Stabellini <sstabellini@kernel.org>; Wei Liu <wl@xen.org>; Julien
> Grall <julien@xen.org>; Paul Durrant <paul@xen.org>
> Subject: [PATCH for-4.14] changelog: Add notes about CET and Migration changes
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>

Reviewed-by: Paul Durrant <paul@xen.org>
Release-acked-by: Paul Durrant <paul@xen.org>

> ---
> CC: George Dunlap <George.Dunlap@eu.citrix.com>
> CC: Ian Jackson <ian.jackson@citrix.com>
> CC: Jan Beulich <JBeulich@suse.com>
> CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> CC: Stefano Stabellini <sstabellini@kernel.org>
> CC: Wei Liu <wl@xen.org>
> CC: Julien Grall <julien@xen.org>
> CC: Paul Durrant <paul@xen.org>
> ---
>  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
> 
> --
> 2.11.0
Jan Beulich June 26, 2020, 2:47 p.m. UTC | #2
On 26.06.2020 16:37, Andrew Cooper wrote:
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>

In case wanted / needed:
Acked-by: Jan Beulich <jbeulich@suse.com>

Jan

Patch
diff mbox series

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