From: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
To: George Spelvin <linux@horizon.com>,
linux-kernel@vger.kernel.org, zengzhaoxiu@163.com
Cc: akpm@linux-foundation.org, arnd@arndb.de, dvlasenk@redhat.com,
linux-arch@vger.kernel.org, martink@posteo.de, mingo@kernel.org,
sasha.levin@oracle.com, yury.norov@gmail.com
Subject: Re: [PATCH V3 01/29] bitops: add parity functions
Date: Mon, 25 Apr 2016 17:14:11 +0800 [thread overview]
Message-ID: <571DDFE3.9010407@gmail.com> (raw)
In-Reply-To: <20160419184501.13069.qmail@ns.horizon.com>
在 2016年04月20日 02:45, George Spelvin 写道:
>> 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.)
From "http://www.encyclopedia.com/doc/1O11-oddparity.html", we can get
the definition of "odd parity":
odd parity A property that holds when a group of binary values contains an odd number of 1s.
next prev parent reply other threads:[~2016-04-25 9:14 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
2016-04-19 18:45 ` George Spelvin
2016-04-25 9:14 ` Zeng Zhaoxiu [this message]
2016-04-25 16:17 ` George Spelvin
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