From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 04D73C4646D for ; Sat, 11 Aug 2018 09:04:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 98730219E9 for ; Sat, 11 Aug 2018 09:04:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 98730219E9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=perches.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727301AbeHKLhm (ORCPT ); Sat, 11 Aug 2018 07:37:42 -0400 Received: from smtprelay0159.hostedemail.com ([216.40.44.159]:41882 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727206AbeHKLhm (ORCPT ); Sat, 11 Aug 2018 07:37:42 -0400 Received: from filter.hostedemail.com (clb03-v110.bra.tucows.net [216.40.38.60]) by smtprelay07.hostedemail.com (Postfix) with ESMTP id EEB37181D337B; Sat, 11 Aug 2018 09:04:09 +0000 (UTC) X-Session-Marker: 6A6F6540706572636865732E636F6D X-HE-Tag: dock16_241525b8ae007 X-Filterd-Recvd-Size: 1571 Received: from XPS-9350.home (unknown [47.151.153.53]) (Authenticated sender: joe@perches.com) by omf06.hostedemail.com (Postfix) with ESMTPA; Sat, 11 Aug 2018 09:04:07 +0000 (UTC) Message-ID: <8e63583eb6898c3f481f1cb45b067234737a11b4.camel@perches.com> Subject: Re: [PATCH] Performance Improvement in CRC16 Calculations. From: Joe Perches To: dgilbert@interlog.com, Nicolas Pitre Cc: Jeff Lien , linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, herbert@gondor.apana.org.au, tim.c.chen@linux.intel.com, martin.petersen@oracle.com, david.darrington@wdc.com, jeff.furlong@wdc.com Date: Sat, 11 Aug 2018 02:04:06 -0700 In-Reply-To: <75d66dfa-688b-f941-04fd-5a39cf882b21@interlog.com> References: <1533928331-21303-1-git-send-email-jeff.lien@wdc.com> <9b5b906f42dfab78f382c90f66851717d258a15d.camel@perches.com> <75d66dfa-688b-f941-04fd-5a39cf882b21@interlog.com> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.28.1-2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2018-08-10 at 22:39 -0400, Douglas Gilbert wrote: > but below is a copy and paste of a table 27 from draft SBC-4 > revision 15 in chapter 4.22.4.4 on page 87. The posted code returns the proper crc for each CONFIG_CRYPTO_CRCT10DIF_TABLE_SIZE value from 1 to 5 for these arrays.