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From: Thomas Gleixner <tglx@linutronix.de>
To: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Borislav Petkov <bp@suse.de>, Dave Hansen <dave.hansen@intel.com>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Chandramouli Narayanan <mouli@linux.intel.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	mouli_7982@yahoo.com
Subject: Re: [PATCH] sha: Enable cpuid check for Intel SHA extensions implementations
Date: Thu, 20 Aug 2015 22:02:54 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.11.1508202157260.3873@nanos> (raw)
In-Reply-To: <1440082994.7611.3.camel@schen9-mobl2>

On Thu, 20 Aug 2015, Tim Chen wrote:
> From: Tim Chen <tim.c.chen@linux.intel.com>
> Subject: [PATCH] sha: Enable cpuid check for Intel SHA extensions implementations

   sha: is not a proper subsystem name

   x86/cpufeatures: is the correct one

>  Enable cpuid check for Intel SHA extensions implementations

This patch does not enable any checks. It merily adds the feature bit.
 
> The Intel Secure Hash Algorithm Extensions are designed to improve the performance
> of SHA-1 and SHA-256. This patch adds the check for X86_FEATURE_SHA_NI bit.

Again there is no check.

> This will allow the feature to be shown in the /proc/cpuinfo.
> 
> The SHA extension programming guide is found in chapter 8 of the Intel
> Architecture Instruction Set Extensions Programming reference:
> https://software.intel.com/sites/default/files/managed/07/b7/319433-023.pdf
> 
> Originally-by: Chandramouli Narayanan <mouli@linux.intel.com>

So Mouli left the company. What's the point of having his Intel mail
address here and in the Cc list?

Thanks,

	tglx

  reply	other threads:[~2015-08-20 20:03 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-17 20:44 [PATCH] sha: Enable cpuid check for Intel SHA extensions implementations Tim Chen
2015-08-17 21:19 ` Dave Hansen
2015-08-17 22:33   ` Tim Chen
2015-08-18 16:46     ` Thomas Gleixner
2015-08-19 16:49       ` Tim Chen
2015-08-20  4:08         ` Borislav Petkov
2015-08-20 15:03           ` Tim Chen
2015-08-20 20:02             ` Thomas Gleixner [this message]
2015-08-21 21:56               ` Tim Chen
2015-08-22  9:21                 ` [tip:x86/cpufeature] x86/cpufeatures: Enable cpuid for Intel SHA extensions tip-bot for Tim Chen

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