From: Tony W Wang-oc <TonyWWang-oc@zhaoxin.com>
To: Borislav Petkov <bp@alien8.de>
Cc: <herbert@gondor.apana.org.au>, <davem@davemloft.net>,
<tglx@linutronix.de>, <mingo@redhat.com>, <x86@kernel.org>,
<hpa@zytor.com>, <tony.luck@intel.com>, <dave.hansen@intel.com>,
<seanjc@google.com>, <fenghua.yu@intel.com>,
<thomas.lendacky@amd.com>, <kyung.min.park@intel.com>,
<kim.phillips@amd.com>, <mgross@linux.intel.com>,
<peterz@infradead.org>, <krish.sadhukhan@oracle.com>,
<liam.merwick@oracle.com>, <mlevitsk@redhat.com>,
<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>
Subject: Re: [PATCH v1 1/3] x86/cpufeatures: Add low performance CRC32C instruction CPU feature
Date: Fri, 15 Jan 2021 09:43:14 +0800 [thread overview]
Message-ID: <de54159e-0d0e-5e9e-db6c-5e908c86389f@zhaoxin.com> (raw)
In-Reply-To: <20210111110351.GC25645@zn.tnic>
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
next prev parent reply other threads:[~2021-01-15 1:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-07 6:19 [PATCH v1 0/3] crypto: x86/crc32c-intel - Exclude some Zhaoxin CPUs Tony W Wang-oc
2021-01-07 6:19 ` [PATCH v1 1/3] x86/cpufeatures: Add low performance CRC32C instruction CPU feature Tony W Wang-oc
2021-01-07 6:37 ` Borislav Petkov
2021-01-11 10:51 ` Tony W Wang-oc
2021-01-11 11:03 ` Borislav Petkov
2021-01-15 1:43 ` Tony W Wang-oc [this message]
2021-01-11 15:20 ` hpa
2021-01-07 6:19 ` [PATCH v1 2/3] x86/cpu: Set low performance CRC32C flag on some Zhaoxin CPUs Tony W Wang-oc
2021-01-07 15:52 ` Dave Hansen
2021-01-11 10:54 ` Tony W Wang-oc
2021-01-07 6:19 ` [PATCH v1 3/3] crypto: x86/crc32c-intel Exclude low performance CRC32C instruction CPUs Tony W Wang-oc
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