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Re: [XEN PATCH 0/4] xen: address violations of MISRA C:2012 Rule 7.2
- To: Simone Ballarin <simone.ballarin@xxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 26 Jul 2023 14:02:44 +0200
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- Cc: consulting@xxxxxxxxxxx, Jun Nakajima <jun.nakajima@xxxxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Paul Durrant <paul@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 26 Jul 2023 12:02:57 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 26.07.2023 13:03, Simone Ballarin wrote:
> The xen sources contains violations of MISRA C:2012 Rule 7.2 whose headline
> states:
> "A 'u' or 'U' suffix shall be applied to all integer constants that are
> represented in an unsigned type".
>
> These violations are caused by the missing "u" or "U" suffix in unsigned
> integer constants, such as:
>
> xen/arch/x86/hvm/hypercall.c:132.17-132.26
> if ( (eax & 0x80000000) && is_viridian_domain(currd) )
>
> If a rule is not met, changes are needed in order to achieve compliance.
> The patches in this series achieve compliance for MISRA C:2012 Rule 7.2 by
> adding the 'U' suffix to integers literals with unsigned type and also to
> other
> literals used in the same contexts or near violations, when their positive
> nature is immediately clear. The latter changes are done for the sake of
> uniformity.
>
> Gianluca Luparini (4):
> x86/vmx: address violations of MISRA C:2012 Rule 7.2
> xen/vpci: address violations of MISRA C:2012 Rule 7.2
> x86/viridian: address violations of MISRA C:2012 Rule 7.2
> xen/x86: address violations of MISRA C:2012 Rule 7.2
Looks like this is v4 of a previously larger series, where fair parts have
gone in already?
Jan
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