Re: [XEN PATCH][for-next v2 6/8] x86/mce: Move MC_NCLASSES into the enum mctelem_class

[Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>]

On 16/10/2023 17:45, Jan Beulich wrote:
> On 12.10.2023 17:28, Nicola Vetrini wrote:
> > The definition of MC_NCLASSES contained a violation of MISRA C:2012
> > Rule 10.1, therefore by moving it as an enumeration constant resolves 
> > the
> > violation and makes it more resilient to possible additions to that 
> > enum.
> And using an enumerator as array dimension specifier is okay for Misra?
> That would be odd when elsewhere named enums are treated specially.
>
> Jan
Yes, the array subscript operator is one of the few places where an enum 
can be used as
an operand (also because negative values wouldn't compile), as opposed 
to mixing them
with ordinary integers.

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