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Re: [RFC 1/4] x86/ioemul: address MISRA C:2012 Rule 9.3
- To: Stefano Stabellini <sstabellini@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 25 Oct 2023 09:56:57 +0200
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- Cc: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>, michal.orzel@xxxxxxx, xenia.ragiadakou@xxxxxxx, ayan.kumar.halder@xxxxxxx, consulting@xxxxxxxxxxx, andrew.cooper3@xxxxxxxxxx, roger.pau@xxxxxxxxxx, Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 25 Oct 2023 07:57:13 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 24.10.2023 22:27, Stefano Stabellini wrote:
> On Tue, 24 Oct 2023, Jan Beulich wrote:
>> On 24.10.2023 16:31, Nicola Vetrini wrote:
>>> Partially explicitly initalized .matches arrays result in violations
>>> of Rule 9.3; this is resolved by using designated initializers,
>>> which is permitted by the Rule.
>>>
>>> Mechanical changes.
>>>
>>> Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
>>
>> While not overly bad, I'm still not really seeing the improvement.
>> Yet aiui changes induced by Misra are supposed to improve things in
>> some direction?
>
> I think the improvement is clarity, in the sense that the designated
> initializers make it clearer that the array may be sparsely initialized
> and that the remaining elements should be initialized to zero
> automatically.
That's as clear from the original code, imo.
Jan
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