Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-22 Thread Troy Benjegerdes
Well, fortunately this has turned out to be a non-issue. I just went to www.infinibandta.org and the 1.2 spec is available for download. http://www.infinibandta.org/specs/register/publicspec/vol1r1_2.zip http://www.infinibandta.org/specs/register/publicspec/vol2r1_2.zip Roland Dreier wrote: Ro

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-11 Thread Michael Krause
At 11:27 AM 10/11/2004, Ronald G. Minnich wrote: On Fri, 8 Oct 2004, Michael Krause wrote: > Spec for free or spec for a price - neither grants anyone rights to any > IP contained within the specifications or on the technologies that > surround the specification.  The change in spec cost, while

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-11 Thread Ronald G. Minnich
On Fri, 8 Oct 2004, Michael Krause wrote: > Spec for free or spec for a price - neither grants anyone rights to any > IP contained within the specifications or on the technologies that > surround the specification. The change in spec cost, while clearly > unfortunate, has no impact on the IP ri

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-11 Thread Michael Krause
At 02:11 PM 10/9/2004, you wrote:     Jeff> If there is questionable code, that is _not_ a justification     Jeff> to add more. I guess my point was not that the bluetooth stack is somehow questionable, but rather that the IP policies of a standards bodies are really not a good reason to keep cod

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-10 Thread Roland Dreier
Alan> The big question seems to be about the standard itself. Are Alan> the items at issue hardware or software ? We already deal Alan> with a lot of devices that have hardware related patent Alan> pools and those by themselves don't seem to cause problems. As far as I know there a

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-10 Thread Alan Cox
On Sad, 2004-10-09 at 22:11, Roland Dreier wrote: > I guess my point was not that the bluetooth stack is somehow > questionable, but rather that the IP policies of a standards bodies > are really not a good reason to keep code out of the kernel. If > someone can name one patent that the IB driver

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-09 Thread Roland Dreier
Jeff> If there is questionable code, that is _not_ a justification Jeff> to add more. I guess my point was not that the bluetooth stack is somehow questionable, but rather that the IP policies of a standards bodies are really not a good reason to keep code out of the kernel. If someone ca

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-09 Thread Roland Dreier
Roland> it's orthogonal to any IP issues. Since the Linux kernel Roland> contains a lot of code written to specs available only Roland> under NDA (and even reverse-engineered code where specs Roland> are completely unavailable), I don't think the expense Roland> should be an is

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-09 Thread Francois Romieu
Roland Dreier <[EMAIL PROTECTED]> : > it's orthogonal to any IP issues. Since the Linux kernel contains a > lot of code written to specs available only under NDA (and even > reverse-engineered code where specs are completely unavailable), I > don't think the expense should be an issue. One can sa

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Jeff Garzik
Roland Dreier wrote: Jeff> Read the member agreement :) It -explicitly- does -not- Jeff> require waiving of patent claims related to any Jeff> implementation of IB. Jeff> That's different from ATA, SCSI, USB, the list goes on... Fair enough, but read the Bluetooth SIG patent agreeme

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Roland Dreier
Greg> The "purchase a spec" agreement has changed, right? Good point. I think the right way to understand this is that the purchase agreement and the $9500 cost is intended to discourage anyone from actually buying the spec -- for the same money you can become a full IBTA member so why shell

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Roland Dreier
Jeff> Read the member agreement :) It -explicitly- does -not- Jeff> require waiving of patent claims related to any Jeff> implementation of IB. Jeff> That's different from ATA, SCSI, USB, the list goes on... Fair enough, but read the Bluetooth SIG patent agreement [1]. As far as

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Jeff Garzik
Roland Dreier wrote: As for IP, as far as I know, there has been no change to any of the bylaws or other members agreements. If there is some specific provision that concerns you, please bring it to our attention -- the IBTA in general and the IBTA steering committee in general have been very supp

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Greg KH
On Fri, Oct 08, 2004 at 04:27:14PM -0700, Roland Dreier wrote: > The increase in cost for the spec is rather unfortunate but I think > it's orthogonal to any IP issues. Since the Linux kernel contains a > lot of code written to specs available only under NDA (and even > reverse-engineered code whe

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Roland Dreier
Greg> All I know is a number of different people, from different Greg> companies are suddenly very worried about this. The fact Greg> that they don't want to comment on it in public leads me to Greg> believe that there is something behind their fears. Hmm, I haven't heard anything

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Roland Dreier
The increase in cost for the spec is rather unfortunate but I think it's orthogonal to any IP issues. Since the Linux kernel contains a lot of code written to specs available only under NDA (and even reverse-engineered code where specs are completely unavailable), I don't think the expense should

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Dave Jones
On Fri, Oct 08, 2004 at 04:13:07PM -0700, Greg KH wrote: > > Even the PCI-SIG requires you to pay for the spec. > > I know that, almost all groups do. Although $9500 does seem a bit steep > for spec prices :) Especially as (wrt PCISIG at least) the mindshare books contain almost exactly the

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Lee Revell
On Fri, 2004-10-08 at 19:13, Greg KH wrote: > All I know is a number of different people, from different companies are > suddenly very worried about this. The fact that they don't want to > comment on it in public leads me to believe that there is something > behind their fears. Sounds like our f

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Greg KH
On Fri, Oct 08, 2004 at 04:49:16PM -0600, Eric W. Biederman wrote: > Greg KH <[EMAIL PROTECTED]> writes: > > > [2] Sure, any person who has a copy of the kernel source tree could be a > > target for any of a zillion other potential claims, nothing new there, > > but the point here is they are expl

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Jeff Garzik
Eric W. Biederman wrote: Greg KH <[EMAIL PROTECTED]> writes: [2] Sure, any person who has a copy of the kernel source tree could be a target for any of a zillion other potential claims, nothing new there, but the point here is they are explicitly stating that they will go after non-IBTA members wh

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Eric W. Biederman
Greg KH <[EMAIL PROTECTED]> writes: > [2] Sure, any person who has a copy of the kernel source tree could be a > target for any of a zillion other potential claims, nothing new there, > but the point here is they are explicitly stating that they will go > after non-IBTA members who touch IB code[3

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Michael Krause
At 01:22 PM 10/8/2004, Greg KH wrote: Hi all, Enough people have been asking me about this lately, that I thought I would just bring it up publicly here. It seems that the Infiniband group (IBTA) has changed their licensing agrement of the basic Infiniband spec.  See: http://www.theinquir

Re: [openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Ronald G. Minnich
On Fri, 8 Oct 2004, Greg KH wrote: > If someone downloads the spec without joining the IBTA, and > proceeds to use the spec for an implementation of the IBTA spec, > that person (company) runs the risk of being a target of patent > infringement claims by IBTA members. An

[openib-general] InfiniBand incompatible with the Linux kernel?

2004-10-08 Thread Greg KH
Hi all, Enough people have been asking me about this lately, that I thought I would just bring it up publicly here. It seems that the Infiniband group (IBTA) has changed their licensing agrement of the basic Infiniband spec. See: http://www.theinquirer.net/?article=18922 for more info ab