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Re: [XEN PATCH v2] xen: add explicit comment to identify notifier patterns
- To: Stefano Stabellini <sstabellini@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 25 Jun 2024 08:25:41 +0200
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- Cc: Federico Serafini <federico.serafini@xxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, consulting@xxxxxxxxxxx, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Dario Faggioli <dfaggioli@xxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Julien Grall <julien@xxxxxxx>
- Delivery-date: Tue, 25 Jun 2024 06:26:02 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 25.06.2024 02:14, Stefano Stabellini wrote:
> I do realize that some of the notifier pattern switches might want to
> handle all parameters but Bugseng or anyone else looking for simple
> improvements are not in the position to tell which ones they are. We
> need to wait for a maintainer or expert in the specific code to spot
> them. It is not a good idea to cause a delay in handling all the
> remaining 16.4 more interesting switches (which is also easy) to better
> handle the notifier pattern (which is hard).
>
> The notifier pattern can be looked at separately later by the relevant
> maintainer / interested community members by sending case-by-case
> improvements. They cannot be mechanically resolved. My understanding is
> that with this patch series committed we would be close to zero
> violations for 16.4.
In fact yielding a bogus result, suggesting the tree is in a better state
than it really is. Putting myself in an assessor's position, I might be
considering such close to lying at me. IOW the fact that some violations
cannot be mechanically resolved shouldn't lead to us mechanically papering
over them.
Jan
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