linux-kernel - Re: [PATCH 10/31] Add sparc-specific parity functions

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Date:	Mon, 28 Mar 2016 11:46:58 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	sam@...nborg.org
Cc:	zhaoxiu.zeng@...il.com, linux-kernel@...r.kernel.org,
	sparclinux@...r.kernel.org
Subject: Re: [PATCH 10/31] Add sparc-specific parity functions

From: Sam Ravnborg <sam@...nborg.org>
Date: Mon, 28 Mar 2016 17:37:43 +0200

> If popc is availble then use of hweight* should be fine.
> But without popc then I think the generic implementation that
> uses the stanford algorithm would be most efficient,
> rather than the base this on the generic hweight functions.

Agreed.