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Re: [XEN PATCH v2] misra: address violation of MISRA C Rule 10.1
- To: Stefano Stabellini <sstabellini@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 14 Jul 2025 08:51:32 +0200
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Rahul Singh <rahul.singh@xxxxxxx>, dmytro_prokopchuk1@xxxxxxxx
- Delivery-date: Mon, 14 Jul 2025 06:51:50 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 12.07.2025 00:00, Stefano Stabellini wrote:
> On Fri, 11 Jul 2025, Dmytro Prokopchuk1 wrote:
>> Hi All.
>>
>> In this 2nd version I made changes according to the
>> https://patchew.org/Xen/d92cf08a64d8197a1d1a45f901e59183105d3da5.1752183472.git.dmytro._5Fprokopchuk1@xxxxxxxx/
>>
>> There are 0 violations on the ARM64 as you can see in the report:
>> https://saas.eclairit.com:3787/fs/var/local/eclair/xen-project.ecdf/xen-project/people/dimaprkp4k/xen/ECLAIR_normal/fix_10.1_rule/ARM64/10650097988/PROJECT.ecd;/by_service.html#service&kind
>>
>> Jan mentioned:
>> "As to the kind of change here - didn't we deviate applying unary minus
>> to unsigned types?"
>>
>> Here is that deviation:
>> https://patchew.org/Xen/7c7b7a09e9d5ac1cc6f93fecacd8065fb6f25324.1745427770.git.victorm.lira@xxxxxxx/
>> As you can see from report
>> https://saas.eclairit.com:3787/fs/var/local/eclair/xen-project.ecdf/xen-project/people/dimaprkp4k/xen/ECLAIR_normal/deviate_10.1_rule/ARM64/10648749555/PROJECT.ecd;/by_service.html#service&kind
>> there are still 2 violations.
>> And they can be easily fixed.
>>
>> So, Jan and Stefano,
>> which approach should we select?
>
> I think we should go with the global deviation.
>
> Jan, if you look at the code changes on this series, many of them are
> undesirable. And the series is only addressing the ARM violations: it is
> only going to get worse for x86.
>
> I think we should commit:
> https://patchew.org/Xen/7c7b7a09e9d5ac1cc6f93fecacd8065fb6f25324.1745427770.git.victorm.lira@xxxxxxx/
>
> Jan, are you OK with it?
Well, I did comment on it, and I don't think I saw a re-submission addressing
those comments. But the way I commented I think it has become clear that I
don't object to the deviation, just that some adjustments are needed to the
wording.
Jan
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