[ofa-general] [PATCH-2.6.24 2/2] [RFC] ib/cm: add basic performance counters

Roland Dreier rdreier at cisco.com
Tue Oct 2 10:54:46 PDT 2007


 > Er, I could use some help here.  Is there a preferred way to share
 > /sys/class/infiniband_cm between the ib_cm and ib_user_cm modules?
 > 
 > Currently, ib_user_cm registers the infiniband_cm class and registers
 > devices (ucm0, ucm1, ...) on that class.  It ends up making use of the
 > infiniband_cm class 'release' callback for this.  I want to make sure
 > that I'm not overlooking some simple way of maintaining this while
 > letting the ib_cm module stick statistics under it.

I guess you need to move the creation of the class into the ib_cm
module (since ib_cm can be loaded without ib_user_cm), and then export
some methods for ib_user_cm to share it.

Dunno whether it's worth the trouble.

 - R.



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