Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-08-22 Thread Jan Beulich
>>> On 22.08.16 at 13:22, wrote: >> > >> First of all - please don't top post. >> > >> >> > >>> What about remove the dependency between AVX2 and AVX512F >> > ( AVX2: >> > >> [AVX512F], ) ? >> > >> >> > >> Yes, that's

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-08-11 Thread Kang, Luwei
> >>> On 10.08.16 at 14:10, wrote: > > On 10/08/16 11:29, Jan Beulich wrote: > > On 10.08.16 at 11:58, wrote: > >>> On 03.08.16 at 03:32, wrote: > >> On 25/07/16 07:09, Kang, Luwei wrote: > >> First of

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-08-10 Thread Andrew Cooper
On 10/08/16 11:29, Jan Beulich wrote: On 10.08.16 at 11:58, wrote: >> On 03.08.16 at 03:32, wrote: > On 25/07/16 07:09, Kang, Luwei wrote: > First of all - please don't top post. > >> What about remove the

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-08-10 Thread Jan Beulich
>>> On 10.08.16 at 11:58, wrote: >> >>> On 03.08.16 at 03:32, wrote: >> >> On 25/07/16 07:09, Kang, Luwei wrote: >> >> First of all - please don't top post. >> >> >> >> > What about remove the dependency between AVX2 and AVX512F >> >> >>

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-08-10 Thread Kang, Luwei
> >>> On 03.08.16 at 03:32, wrote: > >> On 25/07/16 07:09, Kang, Luwei wrote: > >> First of all - please don't top post. > >> > >> > What about remove the dependency between AVX2 and AVX512F > >> >> ( AVX2: > >> [AVX512F], ) ? > >> > >> Yes,

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-08-03 Thread Jan Beulich
>>> On 03.08.16 at 03:32, wrote: >> On 25/07/16 07:09, Kang, Luwei wrote: >> First of all - please don't top post. >> >> > What about remove the dependency between AVX2 and AVX512F >> >> ( AVX2: >> [AVX512F], ) ? >> >> Yes, that's what I think

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-08-02 Thread Kang, Luwei
> On 25/07/16 07:09, Kang, Luwei wrote: > First of all - please don't top post. > > > What about remove the dependency between AVX2 and AVX512F > >> ( AVX2: > [AVX512F], ) ? > > Yes, that's what I think we want, but we need Andrew's agreement here. > > >>> Hi

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-07-25 Thread Andrew Cooper
On 25/07/16 07:09, Kang, Luwei wrote: First of all - please don't top post. > What about remove the dependency between AVX2 and AVX512F >> ( AVX2: [AVX512F], ) ? Yes, that's what I think we want, but we need Andrew's agreement here. >>> Hi Andrew, what is your

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-07-25 Thread Kang, Luwei
> >> First of all - please don't top post. > >> > >>> What about remove the dependency between AVX2 and AVX512F > ( AVX2: > >> [AVX512F], ) ? > >> > >> Yes, that's what I think we want, but we need Andrew's agreement here. > >> > > Hi Andrew, what is your opinion ? > > You are in a better

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-07-18 Thread Andrew Cooper
On 07/07/16 03:42, Kang, Luwei wrote: > >> -Original Message- >> From: Jan Beulich [mailto:jbeul...@suse.com] >> Sent: Tuesday, July 5, 2016 3:03 PM >> To: Kang, Luwei >> Cc: andrew.coop...@citrix.com; chao.p.p...@linux.intel.com; xen- >> de...@lists.xen.org >>

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-07-06 Thread Kang, Luwei
> -Original Message- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Tuesday, July 5, 2016 3:03 PM > To: Kang, Luwei > Cc: andrew.coop...@citrix.com; chao.p.p...@linux.intel.com; xen- > de...@lists.xen.org > Subject: RE: [PATCH v4] x86/cpuid: AVX-512 Feature

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-07-05 Thread Jan Beulich
>>> On 05.07.16 at 04:31, wrote: First of all - please don't top post. > What about remove the dependency between AVX2 and AVX512F ( AVX2: [AVX512F], > ) ? Yes, that's what I think we want, but we need Andrew's agreement here. > From: Jan Beulich

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-07-04 Thread Kang, Luwei
What about remove the dependency between AVX2 and AVX512F ( AVX2: [AVX512F], ) ? -Original Message- From: Jan Beulich [mailto:jbeul...@suse.com] Sent: Friday, July 1, 2016 3:56 PM To: andrew.coop...@citrix.com; Kang, Luwei Cc: chao.p.p...@linux.intel.com;

Re: [Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-07-01 Thread Jan Beulich
>>> On 30.06.16 at 07:50, wrote: > --- a/xen/tools/gen-cpuid.py > +++ b/xen/tools/gen-cpuid.py > @@ -243,6 +243,17 @@ def crunch_numbers(state): > # AMD K6-2+ and K6-III processors shipped with 3DNow+, beyond the > # standard 3DNow in the earlier K6

[Xen-devel] [PATCH v4] x86/cpuid: AVX-512 Feature Detection

2016-06-29 Thread Luwei Kang
AVX-512 is an extention of AVX2. Its spec can be found at: https://software.intel.com/sites/default/files/managed/b4/3a/319433-024.pdf This patch detects AVX-512 features by CPUID. Signed-off-by: Luwei Kang --- [V4]: Update the description about features dependency. [V3]: