On Thu, 9 Aug 2018 14:21:29 +1000
Alexey Kardashevskiy wrote:
> On 08/08/2018 18:39, Alexey Kardashevskiy wrote:
> >
> >
> > On 02/08/2018 02:16, Alex Williamson wrote:
> >> On Wed, 1 Aug 2018 18:37:35 +1000
> >> Alexey Kardashevskiy wrote:
> >>
> >>> On 01/08/2018 00:29, Alex Williamson w
On 08/08/2018 18:39, Alexey Kardashevskiy wrote:
>
>
> On 02/08/2018 02:16, Alex Williamson wrote:
>> On Wed, 1 Aug 2018 18:37:35 +1000
>> Alexey Kardashevskiy wrote:
>>
>>> On 01/08/2018 00:29, Alex Williamson wrote:
On Tue, 31 Jul 2018 14:03:35 +1000
Alexey Kardashevskiy wrote:
>
On 02/08/2018 02:16, Alex Williamson wrote:
> On Wed, 1 Aug 2018 18:37:35 +1000
> Alexey Kardashevskiy wrote:
>
>> On 01/08/2018 00:29, Alex Williamson wrote:
>>> On Tue, 31 Jul 2018 14:03:35 +1000
>>> Alexey Kardashevskiy wrote:
>>>
On 31/07/2018 02:29, Alex Williamson wrote:
>
On Wed, 1 Aug 2018 18:37:35 +1000
Alexey Kardashevskiy wrote:
> On 01/08/2018 00:29, Alex Williamson wrote:
> > On Tue, 31 Jul 2018 14:03:35 +1000
> > Alexey Kardashevskiy wrote:
> >
> >> On 31/07/2018 02:29, Alex Williamson wrote:
> >>> On Mon, 30 Jul 2018 18:58:49 +1000
> >>> Alexey Karda
On 01/08/2018 00:29, Alex Williamson wrote:
> On Tue, 31 Jul 2018 14:03:35 +1000
> Alexey Kardashevskiy wrote:
>
>> On 31/07/2018 02:29, Alex Williamson wrote:
>>> On Mon, 30 Jul 2018 18:58:49 +1000
>>> Alexey Kardashevskiy wrote:
After some local discussions, it was pointed out that for
On Tue, 31 Jul 2018 14:03:35 +1000
Alexey Kardashevskiy wrote:
> On 31/07/2018 02:29, Alex Williamson wrote:
> > On Mon, 30 Jul 2018 18:58:49 +1000
> > Alexey Kardashevskiy wrote:
> >> After some local discussions, it was pointed out that force disabling
> >> nvlinks won't bring us much as for a
On 31/07/2018 02:29, Alex Williamson wrote:
> On Mon, 30 Jul 2018 18:58:49 +1000
> Alexey Kardashevskiy wrote:
>
>> On 11/07/2018 19:26, Alexey Kardashevskiy wrote:
>>> On Tue, 10 Jul 2018 16:37:15 -0600
>>> Alex Williamson wrote:
>>>
On Tue, 10 Jul 2018 14:10:20 +1000
Alexey Kar
On Mon, 30 Jul 2018 18:58:49 +1000
Alexey Kardashevskiy wrote:
> On 11/07/2018 19:26, Alexey Kardashevskiy wrote:
> > On Tue, 10 Jul 2018 16:37:15 -0600
> > Alex Williamson wrote:
> >
> >> On Tue, 10 Jul 2018 14:10:20 +1000
> >> Alexey Kardashevskiy wrote:
> >>
> >>> On Thu, 7 Jun 2018 23:
On 11/07/2018 19:26, Alexey Kardashevskiy wrote:
> On Tue, 10 Jul 2018 16:37:15 -0600
> Alex Williamson wrote:
>
>> On Tue, 10 Jul 2018 14:10:20 +1000
>> Alexey Kardashevskiy wrote:
>>
>>> On Thu, 7 Jun 2018 23:03:23 -0600
>>> Alex Williamson wrote:
>>>
On Fri, 8 Jun 2018 14:14:23 +1
On Tue, 10 Jul 2018 16:37:15 -0600
Alex Williamson wrote:
> On Tue, 10 Jul 2018 14:10:20 +1000
> Alexey Kardashevskiy wrote:
>
> > On Thu, 7 Jun 2018 23:03:23 -0600
> > Alex Williamson wrote:
> >
> > > On Fri, 8 Jun 2018 14:14:23 +1000
> > > Alexey Kardashevskiy wrote:
> > >
> > > > O
On Tue, 10 Jul 2018 14:10:20 +1000
Alexey Kardashevskiy wrote:
> On Thu, 7 Jun 2018 23:03:23 -0600
> Alex Williamson wrote:
>
> > On Fri, 8 Jun 2018 14:14:23 +1000
> > Alexey Kardashevskiy wrote:
> >
> > > On 8/6/18 1:44 pm, Alex Williamson wrote:
> > > > On Fri, 8 Jun 2018 13:08:54 +10
On Thu, 7 Jun 2018 23:03:23 -0600
Alex Williamson wrote:
> On Fri, 8 Jun 2018 14:14:23 +1000
> Alexey Kardashevskiy wrote:
>
> > On 8/6/18 1:44 pm, Alex Williamson wrote:
> > > On Fri, 8 Jun 2018 13:08:54 +1000
> > > Alexey Kardashevskiy wrote:
> > >
> > >> On 8/6/18 8:15 am, Alex Willi
On Fri, 8 Jun 2018 14:14:23 +1000
Alexey Kardashevskiy wrote:
> On 8/6/18 1:44 pm, Alex Williamson wrote:
> > On Fri, 8 Jun 2018 13:08:54 +1000
> > Alexey Kardashevskiy wrote:
> >
> >> On 8/6/18 8:15 am, Alex Williamson wrote:
> >>> On Fri, 08 Jun 2018 07:54:02 +1000
> >>> Benjamin Herrensc
On 8/6/18 1:44 pm, Alex Williamson wrote:
> On Fri, 8 Jun 2018 13:08:54 +1000
> Alexey Kardashevskiy wrote:
>
>> On 8/6/18 8:15 am, Alex Williamson wrote:
>>> On Fri, 08 Jun 2018 07:54:02 +1000
>>> Benjamin Herrenschmidt wrote:
>>>
On Thu, 2018-06-07 at 11:04 -0600, Alex Williamson wrote
On Fri, 8 Jun 2018 13:08:54 +1000
Alexey Kardashevskiy wrote:
> On 8/6/18 8:15 am, Alex Williamson wrote:
> > On Fri, 08 Jun 2018 07:54:02 +1000
> > Benjamin Herrenschmidt wrote:
> >
> >> On Thu, 2018-06-07 at 11:04 -0600, Alex Williamson wrote:
> >>>
> >>> Can we back up and discuss whethe
On 8/6/18 8:15 am, Alex Williamson wrote:
> On Fri, 08 Jun 2018 07:54:02 +1000
> Benjamin Herrenschmidt wrote:
>
>> On Thu, 2018-06-07 at 11:04 -0600, Alex Williamson wrote:
>>>
>>> Can we back up and discuss whether the IOMMU grouping of NVLink
>>> connected devices makes sense? AIUI we have a
On Fri, 08 Jun 2018 10:58:54 +1000
Benjamin Herrenschmidt wrote:
> On Thu, 2018-06-07 at 18:34 -0600, Alex Williamson wrote:
> > > We *can* allow individual GPUs to be passed through, either if somebody
> > > designs a system without cross links, or if the user is ok with the
> > > security risk
On Thu, 2018-06-07 at 18:34 -0600, Alex Williamson wrote:
> > We *can* allow individual GPUs to be passed through, either if somebody
> > designs a system without cross links, or if the user is ok with the
> > security risk as the guest driver will not enable them if it doesn't
> > "find" both side
On Fri, 08 Jun 2018 09:20:30 +1000
Benjamin Herrenschmidt wrote:
> On Thu, 2018-06-07 at 16:15 -0600, Alex Williamson wrote:
> > On Fri, 08 Jun 2018 07:54:02 +1000
> > Benjamin Herrenschmidt wrote:
> >
> > > On Thu, 2018-06-07 at 11:04 -0600, Alex Williamson wrote:
> > > >
> > > > Can we b
On Thu, 2018-06-07 at 16:15 -0600, Alex Williamson wrote:
> On Fri, 08 Jun 2018 07:54:02 +1000
> Benjamin Herrenschmidt wrote:
>
> > On Thu, 2018-06-07 at 11:04 -0600, Alex Williamson wrote:
> > >
> > > Can we back up and discuss whether the IOMMU grouping of NVLink
> > > connected devices makes
On Fri, 08 Jun 2018 07:54:02 +1000
Benjamin Herrenschmidt wrote:
> On Thu, 2018-06-07 at 11:04 -0600, Alex Williamson wrote:
> >
> > Can we back up and discuss whether the IOMMU grouping of NVLink
> > connected devices makes sense? AIUI we have a PCI view of these
> > devices and from that pers
On Thu, 2018-06-07 at 11:04 -0600, Alex Williamson wrote:
>
> Can we back up and discuss whether the IOMMU grouping of NVLink
> connected devices makes sense? AIUI we have a PCI view of these
> devices and from that perspective they're isolated. That's the view of
> the device used to generate t
On Thu, 7 Jun 2018 18:44:15 +1000
Alexey Kardashevskiy wrote:
> Here is an rfc of some patches adding psaa-through support
> for NVIDIA V100 GPU found in some POWER9 boxes.
>
> The example P9 system has 6 GPUs, each accompanied with 2 bridges
> representing the hardware links (aka NVLink2):
>
Here is an rfc of some patches adding psaa-through support
for NVIDIA V100 GPU found in some POWER9 boxes.
The example P9 system has 6 GPUs, each accompanied with 2 bridges
representing the hardware links (aka NVLink2):
4 0004:04:00.0 3D: NVIDIA Corporation GV100GL [Tesla V100 SXM2] (rev a1)
5
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