[PATCH v9 1/2] lib/bitmap: add bitmap_{read,write}()
Andy Shevchenko
andriy.shevchenko at linux.intel.com
Thu Oct 26 06:34:24 PDT 2023
On Thu, Oct 26, 2023 at 03:28:25PM +0200, Alexander Potapenko wrote:
...
> > I still didn't get the grouping you implied with this...
>
> Given your second reply, I can disregard this one, right?
Yes.
...
> > > + if (unlikely(!nbits || nbits > BITS_PER_LONG))
> > > + return 0;
> >
> > ...this return in the Return section.
> >
>
> Parameter description for @nbits actually mentions BITS_PER_LONG
> already, so would it be ok to drop the Note: and extend the Returns:
> section as follows:
>
> + * Returns: value of nbits located at the @start bit offset within the @map
> + * memory region. For @nbits = 0 and @nbits > BITS_PER_LONG the return value
> + * is undefined.
>
> ?
Fine to me.
> (Yury didn't want the zero return value to be part of the contract here).
--
With Best Regards,
Andy Shevchenko
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