On Mon, Feb 08, 2021 at 11:10:18AM -0800, Luck, Tony wrote:
> > +u32 x86_read_hybrid_type(void)
> > +{
> > + if (cpu_feature_enabled(X86_FEATURE_HYBRID_CPU))
> > + return cpuid_eax(0x001a);
> > +
> > + return 0;
> > +}
>
> Machine check logging will want to include this in "struc
On Mon, Feb 08, 2021 at 02:04:24PM -0500, Liang, Kan wrote:
> On 2/8/2021 12:56 PM, Borislav Petkov wrote:
>
> I think it's good enough for perf, but I'm not sure whether other codes need
> the CPU type information.
>
> Ricardo, do you know?
>
> Maybe we should implement a generic function as be
On 2/8/2021 12:56 PM, Borislav Petkov wrote:
On Mon, Feb 08, 2021 at 07:24:59AM -0800, kan.li...@linux.intel.com wrote:
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index c20a52b..1f25ac9 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/
On Mon, Feb 08, 2021 at 07:24:59AM -0800, kan.li...@linux.intel.com wrote:
> diff --git a/arch/x86/include/asm/processor.h
> b/arch/x86/include/asm/processor.h
> index c20a52b..1f25ac9 100644
> --- a/arch/x86/include/asm/processor.h
> +++ b/arch/x86/include/asm/processor.h
> @@ -139,6 +139,16 @@ s
From: Ricardo Neri
On processors with Intel Hybrid Technology (i.e., one having more than one
type of CPU in the same package), all CPUs support the same instruction
set and enumerate the same features on CPUID. Thus, all software can run
on any CPU without restrictions. However, there may be mod
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