Re: [XEN PATCH][for-4.19 v4] xen: address violations of Rule 11.9

[Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>]

On 2023-10-19 09:55, 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>
> Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> ---
> Changes in v2:
> - added entry in deviations.rst
> Changes in v3:
> - dropped access_field
> - moved macro to macros.h
> ---
> Changes in v4:
> - Amend deviation record.
> ---
This patch has received some R-by-s, but no acks at the moment.
Perhaps at least one is needed to get this into 4.19?

--
Nicola Vetrini, BSc
Software Engineer, BUGSENG srl (https://bugseng.com)