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Date: Fri, 15 Jan 2021 09:43:14 +0800 From: Tony W Wang-oc <TonyWWang-oc@...oxin.com> To: Borislav Petkov <bp@...en8.de> CC: <herbert@...dor.apana.org.au>, <davem@...emloft.net>, <tglx@...utronix.de>, <mingo@...hat.com>, <x86@...nel.org>, <hpa@...or.com>, <tony.luck@...el.com>, <dave.hansen@...el.com>, <seanjc@...gle.com>, <fenghua.yu@...el.com>, <thomas.lendacky@....com>, <kyung.min.park@...el.com>, <kim.phillips@....com>, <mgross@...ux.intel.com>, <peterz@...radead.org>, <krish.sadhukhan@...cle.com>, <liam.merwick@...cle.com>, <mlevitsk@...hat.com>, <reinette.chatre@...el.com>, <babu.moger@....com>, <linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <TimGuo-oc@...oxin.com>, <CooperYan@...oxin.com>, <QiyuanWang@...oxin.com>, <HerryYang@...oxin.com>, <CobeChen@...oxin.com>, <SilviaZhao@...oxin.com> Subject: Re: [PATCH v1 1/3] x86/cpufeatures: Add low performance CRC32C instruction CPU feature 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
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