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Re: [XEN PATCH 07/11] xen/page_alloc: address violations of MISRA C Rule 20.7
- To: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 25 Mar 2024 10:27:30 +0100
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- Delivery-date: Mon, 25 Mar 2024 09:27:35 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 22.03.2024 17:01, Nicola Vetrini wrote:
> --- a/xen/common/page_alloc.c
> +++ b/xen/common/page_alloc.c
> @@ -150,7 +150,7 @@
> #include <asm/paging.h>
> #else
> #define p2m_pod_offline_or_broken_hit(pg) 0
Seeing this in context: Does Misra also have a rule demanding evaluation
of macro arguments?
> -#define p2m_pod_offline_or_broken_replace(pg) BUG_ON(pg != NULL)
> +#define p2m_pod_offline_or_broken_replace(pg) BUG_ON((pg) != NULL)
Or easier
#define p2m_pod_offline_or_broken_replace(pg) BUG_ON(pg)
?
Jan
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