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Re: [PATCH 1/3] misra: add deviation for rules 21.1 and 21.2
- To: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Victor Lira <victorm.lira@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 23 Apr 2025 08:27:03 +0200
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>, Federico Serafini <federico.serafini@xxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>
- Delivery-date: Wed, 23 Apr 2025 06:27:20 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 23.04.2025 01:51, Stefano Stabellini wrote:
> On Tue, 22 Apr 2025, victorm.lira@xxxxxxx wrote:
>> From: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
>>
>> MISRA C Rules 21.1 ("#define and #undef shall not be used on a
>> reserved identifier or reserved macro name") and R21.2 ("A reserved
>> identifier or reserved macro name shall not be declared") violations
>> are not problematic for Xen, as it does not use the C or POSIX
>> libraries.
>>
>> Xen uses -fno-builtin and -nostdinc to ensure this, but there are still
>> __builtin_* functions from the compiler that are available so
>> a deviation is formulated for all identifiers not starting with
>> "__builtin_".
>>
>> The missing text of a deviation for Rule 21.2 is added to
>> docs/misra/deviations.rst.
>>
>> To avoid regressions, tag both rules as clean and add them to the
>> monitored set.
>>
>> Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
>> Signed-off-by: Federico Serafini <federico.serafini@xxxxxxxxxxx>
>> Signed-off-by: Victor Lira <victorm.lira@xxxxxxx>
>
> This makes sense and it is noncontroversial.
>
> Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
This entire series will apparently need re-sending, as the list address
was typo-ed. Patches need to be on the list before going in (with perhaps
the sole exception being XSA fixes).
Jan
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