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From: "George Spelvin" <linux@horizon.com>
To: linux-kernel@vger.kernel.org, zengzhaoxiu@163.com
Cc: akpm@linux-foundation.org, arnd@arndb.de, dvlasenk@redhat.com,
	linux-arch@vger.kernel.org, linux@horizon.com, martink@posteo.de,
	mingo@kernel.org, sasha.levin@oracle.com, yury.norov@gmail.com,
	zhaoxiu.zeng@gmail.com
Subject: Re: [PATCH V3 01/29] bitops: add parity functions
Date: 19 Apr 2016 14:45:01 -0400	[thread overview]
Message-ID: <20160419184501.13069.qmail@ns.horizon.com> (raw)
In-Reply-To: <1460601694-4056-1-git-send-email-zengzhaoxiu@163.com>

> Add generic odd parity functions, adapted from
> "https://graphics.stanford.edu/~seander/bithacks.html#ParityParallel"

Given a PARITY_MAGIC of 0x6996, this is even parity, not odd.

(Which it should be; an XOR of all bits is the "natural" form.)

  parent reply	other threads:[~2016-04-19 18:45 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-14  2:41 [PATCH V3 01/29] bitops: add parity functions zengzhaoxiu
2016-04-14  2:41 ` zengzhaoxiu
2016-04-19 18:45 ` George Spelvin [this message]
2016-04-19 18:45   ` George Spelvin
2016-04-25  9:14   ` Zeng Zhaoxiu
2016-04-25 16:17     ` George Spelvin

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