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Re: [XEN PATCH v2 1/3] iommu: address violation of MISRA C Rule 5.5
- To: Dmytro Prokopchuk1 <dmytro_prokopchuk1@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 10 Jul 2025 10:21:30 +0200
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Thu, 10 Jul 2025 08:21:45 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 09.07.2025 23:38, Dmytro Prokopchuk1 wrote:
> Address a violation of MISRA C:2012 Rule 5.5:
> "Identifiers shall be distinct from macro names".
>
> Reports for service MC3A2.R5.5:
> xen/drivers/passthrough/iommu.c: non-compliant macro 'iommu_quarantine'
> xen/include/xen/iommu.h: non-compliant variable 'iommu_quarantine'
>
> There is a clash between function name and macro.
> Add an 'extern' declaration for 'iommu_quarantine'
> under the same preprocessor condition (#ifdef CONFIG_HAS_PCI).
Perhaps s/Add an/Put the/ or some such? You don't add any declaration,
after all.
> This ensures that the declaration is consistent
> and only exposed when CONFIG_HAS_PCI is defined.
>
> Signed-off-by: Dmytro Prokopchuk <dmytro_prokopchuk1@xxxxxxxx>
With some suitable adjustment (happy to make while committing as long as
you agree):
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Jan
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