Messages in this thread | | | From | Masahiro Yamada <> | Date | Thu, 8 Aug 2019 12:46:45 +0900 | Subject | Re: [PATCH v2 1/2] linux/bits.h: Clarify macro argument names |
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On Fri, Aug 2, 2019 at 8:04 AM Rikard Falkeborn <rikard.falkeborn@gmail.com> wrote: > > Be a little more verbose to improve readability. > > Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
BTW, I do not understand what the improvement is. I tend to regard this as a noise commit.
> --- > Changes in v2: > - This patch is new in v2 > > include/linux/bits.h | 16 ++++++++-------- > 1 file changed, 8 insertions(+), 8 deletions(-) > > diff --git a/include/linux/bits.h b/include/linux/bits.h > index 669d69441a62..d4466aa42a9c 100644 > --- a/include/linux/bits.h > +++ b/include/linux/bits.h > @@ -14,16 +14,16 @@ > #define BITS_PER_BYTE 8 > > /* > - * Create a contiguous bitmask starting at bit position @l and ending at > - * position @h. For example > + * Create a contiguous bitmask starting at bit position @low and ending at > + * position @high. For example > * GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000. > */ > -#define GENMASK(h, l) \ > - (((~UL(0)) - (UL(1) << (l)) + 1) & \ > - (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) > +#define GENMASK(high, low) \ > + (((~UL(0)) - (UL(1) << (low)) + 1) & \ > + (~UL(0) >> (BITS_PER_LONG - 1 - (high)))) > > -#define GENMASK_ULL(h, l) \ > - (((~ULL(0)) - (ULL(1) << (l)) + 1) & \ > - (~ULL(0) >> (BITS_PER_LONG_LONG - 1 - (h)))) > +#define GENMASK_ULL(high, low) \ > + (((~ULL(0)) - (ULL(1) << (low)) + 1) & \ > + (~ULL(0) >> (BITS_PER_LONG_LONG - 1 - (high)))) > > #endif /* __LINUX_BITS_H */ > -- > 2.22.0 >
-- Best Regards Masahiro Yamada
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