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Re: [XEN PATCH][for-4.19 v3] xen: address violations of Rule 11.9
- To: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 18 Oct 2023 17:19:00 +0200
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- Cc: sstabellini@xxxxxxxxxx, michal.orzel@xxxxxxx, xenia.ragiadakou@xxxxxxx, ayan.kumar.halder@xxxxxxx, consulting@xxxxxxxxxxx, andrew.cooper3@xxxxxxxxxx, roger.pau@xxxxxxxxxx, Simone Ballarin <simone.ballarin@xxxxxxxxxxx>, Doug Goldstein <cardoe@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 18 Oct 2023 15:19:18 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 18.10.2023 15:42, Nicola Vetrini wrote:
> The constant 0 is used instead of NULL in '__ACCESS_ONCE' as a
> compile-time check to detect non-scalar types; its usage for this
> purpose is deviated.
>
> Furthermore, the 'typeof_field' macro is introduced as a general way
> to access the type of a struct member without declaring a variable
> of struct type. Both this macro and 'sizeof_field' are moved to
> 'xen/macros.h'.
>
> No functional change intended.
>
> Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
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