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=-5.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 0AE36C433E0 for ; Fri, 15 Jan 2021 01:44:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA88F23A5A for ; Fri, 15 Jan 2021 01:44:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731590AbhAOBoT (ORCPT ); Thu, 14 Jan 2021 20:44:19 -0500 Received: from ZXSHCAS1.zhaoxin.com ([203.148.12.81]:10351 "EHLO ZXSHCAS1.zhaoxin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731508AbhAOBoS (ORCPT ); Thu, 14 Jan 2021 20:44:18 -0500 Received: from zxbjmbx1.zhaoxin.com (10.29.252.163) by ZXSHCAS1.zhaoxin.com (10.28.252.161) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Fri, 15 Jan 2021 09:43:31 +0800 Received: from [10.32.56.37] (10.32.56.37) by zxbjmbx1.zhaoxin.com (10.29.252.163) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Fri, 15 Jan 2021 09:43:29 +0800 From: Tony W Wang-oc Subject: Re: [PATCH v1 1/3] x86/cpufeatures: Add low performance CRC32C instruction CPU feature To: Borislav Petkov CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <1610000348-17316-1-git-send-email-TonyWWang-oc@zhaoxin.com> <1610000348-17316-2-git-send-email-TonyWWang-oc@zhaoxin.com> <20210107063750.GA14697@zn.tnic> <871e93d3-701e-86cd-6454-19fbb083d0c5@zhaoxin.com> <20210111110351.GC25645@zn.tnic> Message-ID: Date: Fri, 15 Jan 2021 09:43:14 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20210111110351.GC25645@zn.tnic> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.32.56.37] X-ClientProxiedBy: ZXSHCAS1.zhaoxin.com (10.28.252.161) To zxbjmbx1.zhaoxin.com (10.29.252.163) Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On 11/01/2021 19:03, Borislav Petkov wrote: > On Mon, Jan 11, 2021 at 06:51:59PM +0800, Tony W Wang-oc wrote: >> This issue will be enhanced by hardware and patch submit will be pending. > > I have no clue what that has to do with your current patch... you might > need to explain more verbosely. > After internal research, decided to fix the low performance crc32c instruction issue on these Zhaoxin CPUs by microcode. So, do not need this patch anymore. Sincerely Tonyw