On 7/6/21 1:59 PM, Jason Gunthorpe wrote:
> I can not say the same about other company's RDMA driver
> distributions, Daniel's description of "minimal effort to get
> goodwill" would match others much better.
Not sure what other RDMA driver you are talking about but as for Cornelis
Networks, we
On Wed, Jul 7, 2021 at 2:17 PM Christian König
wrote:
> Am 06.07.21 um 14:23 schrieb Daniel Vetter:
> > On Tue, Jul 06, 2021 at 02:21:10PM +0200, Christoph Hellwig wrote:
> >> On Tue, Jul 06, 2021 at 10:40:37AM +0200, Daniel Vetter wrote:
> Greg, I hope this will be good enough for you to
Am 06.07.21 um 14:23 schrieb Daniel Vetter:
On Tue, Jul 06, 2021 at 02:21:10PM +0200, Christoph Hellwig wrote:
On Tue, Jul 06, 2021 at 10:40:37AM +0200, Daniel Vetter wrote:
Greg, I hope this will be good enough for you to merge this code.
So we're officially going to use dri-devel for
On Tue, Jul 6, 2021 at 2:31 PM Jason Gunthorpe wrote:
>
> On Tue, Jul 06, 2021 at 07:35:55PM +0200, Daniel Vetter wrote:
>
> > Yup. We dont care about any of the fancy pieces you build on top, nor
> > does the compiler need to be the optimizing one. Just something that's
> > good enough to drive
On Tue, Jul 6, 2021 at 8:31 PM Jason Gunthorpe wrote:
> On Tue, Jul 06, 2021 at 07:35:55PM +0200, Daniel Vetter wrote:
> > Yup. We dont care about any of the fancy pieces you build on top, nor
> > does the compiler need to be the optimizing one. Just something that's
> > good enough to drive the
On Tue, Jul 06, 2021 at 07:35:55PM +0200, Daniel Vetter wrote:
> Yup. We dont care about any of the fancy pieces you build on top, nor
> does the compiler need to be the optimizing one. Just something that's
> good enough to drive the hw in some demons to see how it works and all
> that.
I should stop typing and prep dinner, but I found some too hilarious
typos below.
On Tue, Jul 6, 2021 at 7:35 PM Daniel Vetter wrote:
>
> On Tue, Jul 6, 2021 at 6:29 PM Jason Gunthorpe wrote:
> >
> > On Tue, Jul 06, 2021 at 05:49:01PM +0200, Daniel Vetter wrote:
> >
> > > The other thing to
On Tue, Jul 06, 2021 at 07:31:37PM +0200, Christoph Hellwig wrote:
> On Tue, Jul 06, 2021 at 02:28:28PM -0300, Jason Gunthorpe wrote:
> > > Also on your claim that drivers/gpu is a non-upstream disaster: I've
> > > also learned that that for drivers/rdma there's the upstream driver,
> > > and then
On Tue, Jul 6, 2021 at 6:29 PM Jason Gunthorpe wrote:
>
> On Tue, Jul 06, 2021 at 05:49:01PM +0200, Daniel Vetter wrote:
>
> > The other thing to keep in mind is that one of these drivers supports
> > 25 years of product generations, and the other one doesn't.
>
> Sure, but that is the point,
On Tue, Jul 06, 2021 at 06:07:17PM +0200, Daniel Vetter wrote:
> Also on your claim that drivers/gpu is a non-upstream disaster: I've
> also learned that that for drivers/rdma there's the upstream driver,
> and then there's the out-of-tree hackjob the vendor actually
> supports.
In the
On Tue, Jul 06, 2021 at 05:49:01PM +0200, Daniel Vetter wrote:
> The other thing to keep in mind is that one of these drivers supports
> 25 years of product generations, and the other one doesn't.
Sure, but that is the point, isn't it? To have an actually useful
thing you need all of this mess
On Tue, Jul 6, 2021 at 5:49 PM Daniel Vetter wrote:
> On Tue, Jul 6, 2021 at 5:25 PM Jason Gunthorpe wrote:
> > I'm not sure about this all or nothing approach. AFAIK DRM has the
> > worst problems with out of tree drivers right now.
>
> Well I guess someone could stand up a
On Tue, Jul 6, 2021 at 4:56 PM Jason Gunthorpe wrote:
> On Tue, Jul 06, 2021 at 04:09:25PM +0200, Daniel Vetter wrote:
> > Anyway, for anything that works like a gpu accelerator, like 3d accel,
> > or parallel compute accel (aka gpgpu) or spatial compute accel (aka
> > NN/AI) or maybe even fpga
On Tue, Jul 6, 2021 at 5:25 PM Jason Gunthorpe wrote:
> On Tue, Jul 06, 2021 at 04:39:19PM +0200, Daniel Vetter wrote:
> > On Tue, Jul 6, 2021 at 4:23 PM Jason Gunthorpe wrote:
> > >
> > > On Tue, Jul 06, 2021 at 12:36:51PM +0200, Daniel Vetter wrote:
> > >
> > > > If that means AI companies
On Tue, Jul 06, 2021 at 04:39:19PM +0200, Daniel Vetter wrote:
> On Tue, Jul 6, 2021 at 4:23 PM Jason Gunthorpe wrote:
> >
> > On Tue, Jul 06, 2021 at 12:36:51PM +0200, Daniel Vetter wrote:
> >
> > > If that means AI companies don't want to open our their hw specs
> > > enough to allow that, so
On Tue, Jul 06, 2021 at 04:09:25PM +0200, Daniel Vetter wrote:
> Anyway, for anything that works like a gpu accelerator, like 3d accel,
> or parallel compute accel (aka gpgpu) or spatial compute accel (aka
> NN/AI) or maybe even fpga accel most of the magic to use the hardware
> is in this backend
On Tue, Jul 6, 2021 at 4:23 PM Jason Gunthorpe wrote:
>
> On Tue, Jul 06, 2021 at 12:36:51PM +0200, Daniel Vetter wrote:
>
> > If that means AI companies don't want to open our their hw specs
> > enough to allow that, so be it - all you get in that case is
> > offloading the kernel side of the
On Tue, Jul 06, 2021 at 12:36:51PM +0200, Daniel Vetter wrote:
> If that means AI companies don't want to open our their hw specs
> enough to allow that, so be it - all you get in that case is
> offloading the kernel side of the stack for convenience, with zero
> long term prospects to ever make
On Tue, Jul 6, 2021 at 3:44 PM Jason Gunthorpe wrote:
>
> On Tue, Jul 06, 2021 at 02:07:16PM +0200, Daniel Vetter wrote:
>
> > On the "rdma-core" idea, afaik rdma NIC do not have fully programmable
> > cores in their hw, for which you'd need some kind of compiler to make
> > use of the hardware
On Tue, Jul 6, 2021 at 4:17 PM Daniel Vetter wrote:
>
> On Tue, Jul 6, 2021 at 2:46 PM Oded Gabbay wrote:
> >
> > On Tue, Jul 6, 2021 at 3:23 PM Daniel Vetter wrote:
> > >
> > > On Tue, Jul 06, 2021 at 02:21:10PM +0200, Christoph Hellwig wrote:
> > > > On Tue, Jul 06, 2021 at 10:40:37AM +0200,
On Tue, Jul 06, 2021 at 02:07:16PM +0200, Daniel Vetter wrote:
> On the "rdma-core" idea, afaik rdma NIC do not have fully programmable
> cores in their hw, for which you'd need some kind of compiler to make
> use of the hardware and the interfaces the kernel provides? So not
> really
On Tue, Jul 6, 2021 at 2:46 PM Oded Gabbay wrote:
>
> On Tue, Jul 6, 2021 at 3:23 PM Daniel Vetter wrote:
> >
> > On Tue, Jul 06, 2021 at 02:21:10PM +0200, Christoph Hellwig wrote:
> > > On Tue, Jul 06, 2021 at 10:40:37AM +0200, Daniel Vetter wrote:
> > > > > Greg, I hope this will be good
On Tue, Jul 6, 2021 at 3:23 PM Daniel Vetter wrote:
>
> On Tue, Jul 06, 2021 at 02:21:10PM +0200, Christoph Hellwig wrote:
> > On Tue, Jul 06, 2021 at 10:40:37AM +0200, Daniel Vetter wrote:
> > > > Greg, I hope this will be good enough for you to merge this code.
> > >
> > > So we're officially
On Tue, Jul 06, 2021 at 02:21:10PM +0200, Christoph Hellwig wrote:
> On Tue, Jul 06, 2021 at 10:40:37AM +0200, Daniel Vetter wrote:
> > > Greg, I hope this will be good enough for you to merge this code.
> >
> > So we're officially going to use dri-devel for technical details review
> > and then
On Tue, Jul 6, 2021 at 12:47 PM Daniel Vetter wrote:
> On Tue, Jul 6, 2021 at 12:36 PM Daniel Vetter wrote:
> > On Tue, Jul 6, 2021 at 12:03 PM Oded Gabbay wrote:
> > >
> > > On Tue, Jul 6, 2021 at 11:40 AM Daniel Vetter wrote:
> > > >
> > > > On Mon, Jul 05, 2021 at 04:03:12PM +0300, Oded
On Tue, Jul 6, 2021 at 12:36 PM Daniel Vetter wrote:
> On Tue, Jul 6, 2021 at 12:03 PM Oded Gabbay wrote:
> >
> > On Tue, Jul 6, 2021 at 11:40 AM Daniel Vetter wrote:
> > >
> > > On Mon, Jul 05, 2021 at 04:03:12PM +0300, Oded Gabbay wrote:
> > > > Hi,
> > > > I'm sending v4 of this patch-set
On Tue, Jul 6, 2021 at 12:03 PM Oded Gabbay wrote:
>
> On Tue, Jul 6, 2021 at 11:40 AM Daniel Vetter wrote:
> >
> > On Mon, Jul 05, 2021 at 04:03:12PM +0300, Oded Gabbay wrote:
> > > Hi,
> > > I'm sending v4 of this patch-set following the long email thread.
> > > I want to thank Jason for
On Tue, Jul 6, 2021 at 11:40 AM Daniel Vetter wrote:
>
> On Mon, Jul 05, 2021 at 04:03:12PM +0300, Oded Gabbay wrote:
> > Hi,
> > I'm sending v4 of this patch-set following the long email thread.
> > I want to thank Jason for reviewing v3 and pointing out the errors, saving
> > us time later to
On Mon, Jul 05, 2021 at 04:03:12PM +0300, Oded Gabbay wrote:
> Hi,
> I'm sending v4 of this patch-set following the long email thread.
> I want to thank Jason for reviewing v3 and pointing out the errors, saving
> us time later to debug it :)
>
> I consulted with Christian on how to fix patch 2
Hi,
I'm sending v4 of this patch-set following the long email thread.
I want to thank Jason for reviewing v3 and pointing out the errors, saving
us time later to debug it :)
I consulted with Christian on how to fix patch 2 (the implementation) and
at the end of the day I shamelessly copied the
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