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Re: preparations for 4.16.1
- To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- Date: Thu, 10 Mar 2022 10:20:09 +0000
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- Cc: George Dunlap <George.Dunlap@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Anthony Perard <anthony.perard@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: preparations for 4.16.1
On 10/03/2022 09:01, Jan Beulich wrote:
> On 10.03.2022 09:57, Jan Beulich wrote:
>> Please point out backports you find missing from the respective staging
>> branch, but which you consider relevant. One I have queued already, but
>> which I'd like to put in only once the pending fix to it ("x86: avoid
>> SORT_BY_INIT_PRIORITY with old GNU ld") has also landed in staging, is
>>
>> 4b7fd8153ddf x86: fold sections in final binaries
> Actually the other one I'm aware of is
>
> 7d9589239ec0 x86/CET: Fix S3 resume with shadow stacks active
>
> which Andrew promised to provide a suitable backport for.
So now XSA-398 is public, I can say what that slightly cryptically meant.
The CET S3 fix depends on one of the code rearrangements introduced in
the CET-IBT work. We were intending to have CET-IBT backported for the
tuesday embargo (didn't go to plan), after which the S3 fix would be a
trivial backport to 4.14 and later.
~Andrew
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