On Thu, Jun 20, 2019 at 12:37:20PM +0200, Borislav Petkov wrote:
> On Wed, Jun 19, 2019 at 02:34:04PM -0700, Fenghua Yu wrote:
> You need to test the sub-leaf index validity here before accessing
> subleaf 1:
>
> diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
> index 4910
On Wed, Jun 19, 2019 at 02:34:04PM -0700, Fenghua Yu wrote:
> diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
> index efb114298cfb..4910cb421b82 100644
> --- a/arch/x86/kernel/cpu/common.c
> +++ b/arch/x86/kernel/cpu/common.c
> @@ -847,6 +847,9 @@ void get_cpu_cap(struct cp
On Wed, Jun 19, 2019 at 07:31:40PM +0200, Borislav Petkov wrote:
> On Mon, Jun 17, 2019 at 11:00:16AM -0700, Fenghua Yu wrote:
> > AVX512 Vector Neural Network Instructions (VNNI) in Intel Deep Learning
> > Boost support BFLOAT16 format (BF16).
>
> That sentence is a mouthful and I have no clue wh
On Mon, Jun 17, 2019 at 11:00:16AM -0700, Fenghua Yu wrote:
> AVX512 Vector Neural Network Instructions (VNNI) in Intel Deep Learning
> Boost support BFLOAT16 format (BF16).
That sentence is a mouthful and I have no clue what it means. Marketing
junk? If so, either rewrite it for mere mortals or k
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 learning training tasks and doesn't need to handle hardware exception
as th
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