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SubjectRe: [PATCH v2 10/30] Add x86-specific parity functions
On Wed, 06 Apr 2016 12:45:27 -0700
Andi Kleen <andi@firstfloor.org> wrote:

> zengzhaoxiu@163.com writes:
>
> > From: Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>
> >
> > Use alternatives, lifted from arch_hweight
>
> Is there actually anything performance critical in the kernel that uses
> parity?

On very low end devices some of the flash, but the implementation here is
ironically pretty much worst-case for such x86 devices 8)

Alan

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