Re: [PATCH 1/2] bitops: make asm-generic/bitops/find.h more generic

From: Chris Metcalf
Date: Tue Oct 05 2010 - 08:25:59 EST


On 9/29/2010 5:08 AM, Akinobu Mita wrote:
> asm-generic/bitops/find.h has the extern declarations of find_next_bit()
> and find_next_zero_bit() and the macro definitions of find_first_bit()
> and find_first_zero_bit(). It is only usable by the architectures which
> enables CONFIG_GENERIC_FIND_NEXT_BIT and disables
> CONFIG_GENERIC_FIND_FIRST_BIT.
>
> x86 and tile enable both CONFIG_GENERIC_FIND_NEXT_BIT and
> CONFIG_GENERIC_FIND_FIRST_BIT. These architectures cannot include
> asm-generic/bitops/find.h in their asm/bitops.h. So ifdefed extern
> declarations of find_first_bit and find_first_zero_bit() are put in
> linux/bitops.h.
>
> This makes asm-generic/bitops/find.h usable by these architectures
> and use it. Also this change is needed for the forthcoming duplicated
> extern declarations cleanup.

This looks good, thanks.

Acked-by: Chris Metcalf <cmetcalf@xxxxxxxxxx>

--
Chris Metcalf, Tilera Corp.
http://www.tilera.com

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