On Thu, 2015-08-20 at 22:02 +0200, Thomas Gleixner wrote:
> On Thu, 20 Aug 2015, Tim Chen wrote:
> > From: Tim Chen
> > Subject: [PATCH] sha: Enable cpuid check for Intel SHA extensions
> > implementations
>
>sha: is not a proper subsystem name
>
>x8
On Thu, 20 Aug 2015, Tim Chen wrote:
> From: Tim Chen
> 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
>
> Originally-by: Mouli
> Signed-off-by: you
>
Thanks. Revised patch embedded below.
Tim
--->8---
From: Tim Chen
Subject: [PATCH] sha: Enable cpuid check for Intel SHA extensions
implementations
The Intel Secure Hash Algorithm Extensions are designed to improve the
perfor
On Wed, Aug 19, 2015 at 09:49:58AM -0700, Tim Chen wrote:
> 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
> > > Signed-off-by: Tim Chen
> >
> > And now the question who authored this complex one line
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
> > Signed-off-by: Tim Chen
>
> And now the question who authored this complex one liner
>
Mouli did the patch originally but he left the company. So
On Mon, 17 Aug 2015, Tim Chen wrote:
> Signed-off-by: Chandramouli Narayanan
> Signed-off-by: Tim Chen
And now the question who authored this complex one liner
> ---
> arch/x86/include/asm/cpufeature.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/x86/include/asm/cpufeatu
we were encouraged to call cpu_has(X86_FEATURE_*) directly.
>
> In the patch description, it might also be nice to remind folks that
> this will feature will also show up as "sha_ni" in /proc/cpuinfo.
Okay, in that case, I've modified the patch to below:
Tim
---&
On 08/17/2015 01:44 PM, Tim Chen wrote:
> @@ -401,6 +402,7 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
> #define cpu_has_eager_fpuboot_cpu_has(X86_FEATURE_EAGER_FPU)
> #define cpu_has_topoext boot_cpu_has(X86_FEATURE_TOPOEXT)
> #define cpu_has_bpextb
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.
The SHA extension guide is found in chapter 8 of the Intel
Architecture Instruction Set Extensions Programming reference:
https://softwar
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