(subset) [PATCH 0/2] arch: enable GENERIC_FIND_FIRST_BIT for MIPS and ARM64
Catalin Marinas
catalin.marinas at arm.com
Mon Mar 15 19:14:00 GMT 2021
On Thu, 25 Feb 2021 05:56:58 -0800, Yury Norov wrote:
> MIPS and ARM64 don't implement find_first_{zero}_bit in arch code and
> don't enable it in config. It leads to using find_next_bit() which is
> less efficient:
>
> It's beneficial to enable GENERIC_FIND_FIRST_BIT as this functionality
> is not new at all and well-tested. It provides more optimized code and
> saves .text memory:
>
> [...]
Applied to arm64 (for-next/misc), thanks!
[1/2] ARM64: enable GENERIC_FIND_FIRST_BIT
https://git.kernel.org/arm64/c/98c5ec77c7c5
--
Catalin
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