linux-kernel - Re: [PATCH 2/3] x86/hash: swap parameters of crc32

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Message-ID: <530B3C91.5080206@zytor.com>
Date:	Mon, 24 Feb 2014 04:35:29 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jan Beulich <JBeulich@...e.com>,
	Daniel Borkmann <dborkman@...hat.com>
CC:	davem@...emloft.net, mingo@...e.hu, tglx@...utronix.de,
	ffusco@...hat.com, tgraf@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] x86/hash: swap parameters of crc32_u32()

On 02/24/2014 12:03 AM, Jan Beulich wrote:
> rte_hash_crc_4byte(uint32_t data, uint32_t init_val)
>
> as opposed to
>
> static inline u32 crc32_u32(u32 crc, u32 val)
>
> (quite obviously data <-> val and crc <-> init_val, supported
> by the second argument in each caller being named "seed").
>

"Quite obviously", but unfortunately wrong (see other email).

	-hpa


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