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Re: [PATCH] docs/misra: add D4.12
- To: Stefano Stabellini <sstabellini@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 15 May 2024 09:35:51 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, roberto.bagnara@xxxxxxxxxxx, consulting@xxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 15 May 2024 07:35:55 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 15.05.2024 01:15, Stefano Stabellini wrote:
> Add D4.12 with the same explanation as the rules of the R21 series.
> D4.12 refers to the standard library memory allocation functions and
> similar third party libraries with memory allocation functions. It
> doesn't refer to the in-tree implementation we have in Xen which is
> subject to MISRA C rules and MISRA C scanning.
>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxx>
>
> diff --git a/docs/misra/rules.rst b/docs/misra/rules.rst
> index 80e5e972ad..bc8506add4 100644
> --- a/docs/misra/rules.rst
> +++ b/docs/misra/rules.rst
> @@ -76,6 +76,11 @@ maintainers if you want to suggest a change.
> considered libraries from MISRA C point of view as they are
> imported in source form)
>
> + * - `Dir 4.12
> <https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/D_04_12.c>`_
> + - Required
> + - Dynamic memory allocation shall not be used
> + - Xen doesn't provide, use, or link against a Standard Library
> [#xen-stdlib]_
I'm having trouble connecting this remark with the directive. We do have
dynamic memory allocation routines, and we use them. It doesn't really
matter that they don't come from an external library, does it?
Jan
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