Re: [PATCH v2 2/5] x86/cpufeatures: Add Intel feature bits for Speculation Control

On Tue, 2018-01-23 at 17:28 -0800, Dave Hansen wrote: > On 01/23/2018 05:23 PM, Woodhouse, David wrote: > > > > On Tue, 2018-01-23 at 10:43 -0800, Dave Hansen wrote: > ... > > > > > > > > > > > > >   /* Intel-defined CPU features, CPUID level 0x0007:0 (EDX), word > > > > 18 */ > > > >   #d

Re: [PATCH v2 2/5] x86/cpufeatures: Add Intel feature bits for Speculation Control

On 01/23/2018 05:23 PM, Woodhouse, David wrote: > On Tue, 2018-01-23 at 10:43 -0800, Dave Hansen wrote: ... >>>   /* Intel-defined CPU features, CPUID level 0x0007:0 (EDX), word 18 */ >>>   #define X86_FEATURE_AVX512_4VNNIW(18*32+ 2) /* AVX-512 Neural Network >>> Instructions */ >>>   #def

Re: [PATCH v2 2/5] x86/cpufeatures: Add Intel feature bits for Speculation Control

On 01/23/2018 08:52 AM, David Woodhouse wrote: > > diff --git a/arch/x86/include/asm/cpufeatures.h > b/arch/x86/include/asm/cpufeatures.h > index 7b25cf3..0a51070 100644 > --- a/arch/x86/include/asm/cpufeatures.h > +++ b/arch/x86/include/asm/cpufeatures.h > @@ -320,6 +320,9 @@ > /* Intel-defined

[PATCH v2 2/5] x86/cpufeatures: Add Intel feature bits for Speculation Control

Add three feature bits exposed by new microcode on Intel CPUs for speculation control. Signed-off-by: David Woodhouse Reviewed-by: Borislav Petkov --- arch/x86/include/asm/cpufeatures.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include