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From:   Tony W Wang-oc <TonyWWang-oc@zhaoxin.com>
Subject: Re: [PATCH v1 1/3] x86/cpufeatures: Add low performance CRC32C
 instruction CPU feature
To:     Borislav Petkov <bp@alien8.de>
CC:     <herbert@gondor.apana.org.au>, <davem@davemloft.net>,
        <tglx@linutronix.de>, <mingo@redhat.com>, <x86@kernel.org>,
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        <reinette.chatre@intel.com>, <babu.moger@amd.com>,
        <linux-crypto@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <TimGuo-oc@zhaoxin.com>, <CooperYan@zhaoxin.com>,
        <QiyuanWang@zhaoxin.com>, <HerryYang@zhaoxin.com>,
        <CobeChen@zhaoxin.com>, <SilviaZhao@zhaoxin.com>
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: <de54159e-0d0e-5e9e-db6c-5e908c86389f@zhaoxin.com>
Date:   Fri, 15 Jan 2021 09:43:14 +0800
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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