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Re: [XEN PATCH] automation/eclair: add deviation of MISRA C:2012 Rule 14.4
- To: Federico Serafini <federico.serafini@xxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 24 Apr 2024 14:38:32 +0200
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- Cc: consulting@xxxxxxxxxxx, Simone Ballarin <simone.ballarin@xxxxxxxxxxx>, Doug Goldstein <cardoe@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 24 Apr 2024 12:38:43 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 24.04.2024 14:23, Federico Serafini wrote:
> Update ECLAIR configuration to take into account the deviations
> agreed during MISRA meetings.
>
> Amend an existing entry of Rule 14.4 in deviations.rst:
> it is not a project-wide deviation.
Who / how is it not? ->is_dying is a globally visible struct field.
> --- a/docs/misra/deviations.rst
> +++ b/docs/misra/deviations.rst
> @@ -294,7 +294,13 @@ Deviations related to MISRA C:2012 Rules:
> - The XEN team relies on the fact that the enum is_dying has the
> constant with assigned value 0 act as false and the other ones as
> true,
> therefore have the same behavior of a boolean.
> - - Project-wide deviation; tagged as `deliberate` for ECLAIR.
> + - Tagged as `deliberate` for ECLAIR.
> +
> + * - R14.4
> + - A controlling expression of 'if' and iteration statements having
> + integer, character or pointer type has a semantics that is well-known
> to
> + all Xen developers.
> + - Tagged as `deliberate` for ECLAIR.
I'm inclined to suggest that this more generic deviation be inserted ahead
of the more specific ->is_dying one.
Jan
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