On Wed, Jun 12, 2019 at 05:59:08AM +0200, Borislav Petkov wrote:
> On Wed, Jun 12, 2019 at 03:29:57AM +, Yu, Fenghua wrote:
> > My bad. I studied a bit more and found the patch #1 is not needed.
>
> Why, I think you were spot-on:
>
> "And the two variables are ONLY used in resctrl monitoring
On Wed, Jun 12, 2019 at 07:10:49AM -0700, Sean Christopherson wrote:
> On Wed, Jun 12, 2019 at 06:02:59AM +0200, Borislav Petkov wrote:
> > On Tue, Jun 11, 2019 at 08:32:59PM -0700, Fenghua Yu wrote:
> > > Currently KVM doesn't simulate scattered features (the ones in CPUID_LNX_*
> > > in
On Wed, Jun 12, 2019 at 06:02:59AM +0200, Borislav Petkov wrote:
> On Tue, Jun 11, 2019 at 08:32:59PM -0700, Fenghua Yu wrote:
> > Currently KVM doesn't simulate scattered features (the ones in CPUID_LNX_*
> > in cpuid_leafs) as reverse_cpuid[] doesn't contain CPUID_LNX_*.
>
> 43500e6f294d
On Tue, Jun 11, 2019 at 08:32:59PM -0700, Fenghua Yu wrote:
> Currently KVM doesn't simulate scattered features (the ones in CPUID_LNX_*
> in cpuid_leafs) as reverse_cpuid[] doesn't contain CPUID_LNX_*.
43500e6f294d ("x86/cpufeatures: Remove get_scattered_cpuid_leaf()")
> After the
On Wed, Jun 12, 2019 at 03:29:57AM +, Yu, Fenghua wrote:
> My bad. I studied a bit more and found the patch #1 is not needed.
Why, I think you were spot-on:
"And the two variables are ONLY used in resctrl monitoring
configuration. There is no need to store them in cpuinfo_x86 on each
CPU."
On Tue, Jun 11, 2019 at 09:47:02PM +0200, Borislav Petkov wrote:
> On Tue, Jun 11, 2019 at 11:19:20AM -0700, Fenghua Yu wrote:
> > So can I re-organize word 11 and 12 as follows?
> >
> > 1. Change word 11 to host scattered features.
> > 2. Move the previos features in word 11 and word 12 to word
> On Tuesday, June 11, 2019 3:28 PM, Fenghua Yu wrote:
> On Tue, Jun 11, 2019 at 09:47:02PM +0200, Borislav Petkov wrote:
> > On Tue, Jun 11, 2019 at 11:19:20AM -0700, Fenghua Yu wrote:
> > > So can I re-organize word 11 and 12 as follows?
> > >
> > > 1. Change word 11 to host scattered features.
On Tue, Jun 11, 2019 at 09:47:02PM +0200, Borislav Petkov wrote:
> On Tue, Jun 11, 2019 at 11:19:20AM -0700, Fenghua Yu wrote:
> > So can I re-organize word 11 and 12 as follows?
> >
> > 1. Change word 11 to host scattered features.
> > 2. Move the previos features in word 11 and word 12 to word
On Tue, Jun 11, 2019 at 11:19:20AM -0700, Fenghua Yu wrote:
> So can I re-organize word 11 and 12 as follows?
>
> 1. Change word 11 to host scattered features.
> 2. Move the previos features in word 11 and word 12 to word 11:
> /*
> * Extended auxiliary flags: Linux defined - For features
On Mon, Jun 10, 2019 at 09:20:26PM +0200, Borislav Petkov wrote:
> On Mon, Jun 10, 2019 at 10:02:38AM -0700, Fenghua Yu wrote:
> > AVX512 Vector Neural Network Instructions (VNNI) in Intel Deep Learning
> > Boost support bfloat16 format (BF16). BF16 is a short version of FP32 and
> > has several
On Mon, Jun 10, 2019 at 10:02:38AM -0700, Fenghua Yu wrote:
> AVX512 Vector Neural Network Instructions (VNNI) in Intel Deep Learning
> Boost support bfloat16 format (BF16). BF16 is a short version of FP32 and
> has several advantages over FP16. BF16 offers more than enough range for
> deep
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