From: Tim Chen <tim.c.chen@linux.intel.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: 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,
Borislav Petkov <bp@suse.de>,
mouli_7982@yahoo.com
Subject: Re: [PATCH] sha: Enable cpuid check for Intel SHA extensions implementations
Date: Wed, 19 Aug 2015 09:49:58 -0700 [thread overview]
Message-ID: <1440002998.13451.1.camel@schen9-mobl2> (raw)
In-Reply-To: <alpine.DEB.2.11.1508181846160.3873@nanos>
On Tue, 2015-08-18 at 18:46 +0200, Thomas Gleixner wrote:
> On Mon, 17 Aug 2015, Tim Chen wrote:
> > Signed-off-by: Chandramouli Narayanan <mouli@linux.intel.com>
> > Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
>
> And now the question who authored this complex one liner ....
>
Mouli did the patch originally but he left the company. So
I'm picking it up.
Tim
> > ---
> > arch/x86/include/asm/cpufeature.h | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
> > index 3d6606f..a94f83d 100644
> > --- a/arch/x86/include/asm/cpufeature.h
> > +++ b/arch/x86/include/asm/cpufeature.h
> > @@ -239,6 +239,7 @@
> > #define X86_FEATURE_AVX512PF ( 9*32+26) /* AVX-512 Prefetch */
> > #define X86_FEATURE_AVX512ER ( 9*32+27) /* AVX-512 Exponential and Reciprocal */
> > #define X86_FEATURE_AVX512CD ( 9*32+28) /* AVX-512 Conflict Detection */
> > +#define X86_FEATURE_SHA_NI ( 9*32+29) /* SHA1/SHA256 Instruction Extensions */
> >
> > /* Extended state features, CPUID level 0x0000000d:1 (eax), word 10 */
> > #define X86_FEATURE_XSAVEOPT (10*32+ 0) /* XSAVEOPT */
> > --
> > 1.8.3.1
> >
> >
> >
> >
next prev parent reply other threads:[~2015-08-19 16:50 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-17 20:44 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 [this message]
2015-08-20 4:08 ` Borislav Petkov
2015-08-20 15:03 ` Tim Chen
2015-08-20 20:02 ` Thomas Gleixner
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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