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Re: [XEN PATCH 3/5] x86/irq: address violation of MISRA C Rule 5.5
- To: Dmytro Prokopchuk1 <dmytro_prokopchuk1@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 7 Jul 2025 10:15:28 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 07 Jul 2025 08:15:39 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 04.07.2025 22:39, Dmytro Prokopchuk1 wrote:
> Address a violation of MISRA C:2012 Rule 5.5:
> "Identifiers shall be distinct from macro names".
>
> Reports for service MC3A2.R5.5:
> xen/include/xen/irq.h: non-compliant function `pirq_cleanup_check(struct
> pirq*, struct domain*)'
> xen/include/xen/irq.h: non-compliant macro `pirq_cleanup_check'
>
> The primary issue stems from the macro and function
> having identical names, which is confusing and
> non-compliant with common coding standards.
>
> Change the function name by adding two underscores at the end.
>
> Signed-off-by: Dmytro Prokopchuk <dmytro_prokopchuk1@xxxxxxxx>
I'm not going to NAK this, but I dislike the transformation done. The aliasing
in this case was intentional, to avoid any caller appearing that would bypass
the macro. Yes, the double underscores will also stand out (as much as the
parenthesization that would have been needed to override the protection), but
still ...
Jan
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