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Re: [XEN PATCH] automation/eclair_analysis: deviate certain macros for Rule 20.12
- To: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 14 Feb 2024 12:49:52 +0100
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- Delivery-date: Wed, 14 Feb 2024 11:50:02 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 14.02.2024 12:26, Nicola Vetrini wrote:
> --- a/automation/eclair_analysis/ECLAIR/deviations.ecl
> +++ b/automation/eclair_analysis/ECLAIR/deviations.ecl
> @@ -387,6 +387,16 @@ in assignments."
> {safe, "left_right(^[(,\\[]$,^[),\\]]$)"}
> -doc_end
>
> +-doc_begin="The token pasting in variadic macros cannot be replaced."
> +-config=MC3R1.R20.12,macros+={deliberate, "variadic()"}
> +-doc_end
> +
> +-doc_begin="Uses of # and ## operators within the following macros are
> +deliberate."
I don't think this is a good explanation. The use of those operators is
deliberate elsewhere as well.
> +-config=MC3R1.R20.12,macros+={deliberate,
> "name(ASSERT||BUILD_BUG_ON||BUILD_BUG_ON_ZERO||GENERATE_CASE)"}
I said in another context already that it is necessary to separate
global scope macros from local helper ones. Any CU can introduce another
GENERATE_CASE(), and would be deviated here right away. In fact I
question applicability of the deviation to arm/arm64/vsysreg.c; I only
see it as applicable to arm/vcpreg.c.
Jan
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