[openfabrics-ewg] IB/ipath - initialize diagpkt file on device init only

[Robert Walsh]

Hi folks,

Here's a new spin of the patch to fix the problem of the ipath module 
causing errors if no ipath hardware is present.  This new version of the 
patch should fix the potential problem Roland spotted if the kernel is 
doing multithreaded probes.

Roland: please review and queue for 2.6.19 if you're satisfied with this 
approach.  I still don't have an answer about why modprobe hangs when 
this patch isn't applied - I'll get to that in the next day or so when I 
have a moment.

Michael: please consider replacing the last patch we sent to OFED for 
this with this new version.  I suspect that, once again, you will be 
required to modify the patch to get it to apply cleanly.  I'd like to 
avoid having you do this, but I don't have a clear idea how to get hold 
of the OFED-next-release-in-progress stuff.  Bryan handled this 
previously, but he's on vacation for the next several weeks.  Do you 
have some instructions written down somewhere you could point me at on 
how to submit patches that would make your life a little easier in this 
regard?

Regards,
  Robert.
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