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Re: preparations for 4.16.1
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- Date: Thu, 10 Mar 2022 11:14:36 +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>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
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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 10:35, Jan Beulich wrote:
> On 10.03.2022 11:20, Andrew Cooper wrote:
>> 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.
> I was indeed wondering. Even if this didn't work out in time, aiui the
> plan still is to have that backported (without going the manual annotation
> route). Do you expect this to be feasible in time (and not at the last
> minute) for 4.16.1?
The answer is largely dependent on how long it takes to resolve the
remaining issues on staging (although most are done now. I'm sifting
through things for a commit sweep).
Early next week, assuming no additional fun is found?
~Andrew
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