From: "H. Peter Anvin" <hpa@linux.intel.com>
To: Dave Hansen <dave.hansen@intel.com>,
Fenghua Yu <fenghua.yu@intel.com>, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>,
Ravi V Shankar <ravi.v.shankar@intel.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>, x86 <x86@kernel.org>
Subject: Re: [PATCH v2] x86/cpufeatures.h: Enumerate A Few New AVX-512 Features
Date: Thu, 10 Mar 2016 15:18:32 -0800 [thread overview]
Message-ID: <56E200C8.90707@linux.intel.com> (raw)
In-Reply-To: <56E1E8A1.5040105@intel.com>
On 03/10/2016 01:35 PM, Dave Hansen wrote:
> On 03/10/2016 04:23 PM, Fenghua Yu wrote:
>> A few new AVX-512 instruction groups/features are added in cpufeatures.h
>> for enuermation: AVX512DQ, AVX512BW, and AVX512VL.
>>
>> The specification for latest AVX-512 including the features can be found at
>> https://software.intel.com/sites/default/files/managed/07/b7/319433-023.pdf
>
> Do we need to add these to fpu__xstate_clear_all_cpu_caps()?
>
I would think so.
-hpa
prev parent reply other threads:[~2016-03-10 23:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-11 0:23 [PATCH v2] x86/cpufeatures.h: Enumerate A Few New AVX-512 Features Fenghua Yu
2016-03-10 21:35 ` Dave Hansen
2016-03-10 23:18 ` H. Peter Anvin [this message]
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