[openib-general] [CMA] blocking in rdma_listen()

[Sean Hefty]

James Lentini wrote:
> Our goal is to provide an interface with semantics similar to the 
> sockets interface. A socket's listen function does not block (e.g. 
> inet_listen). 
> 
> Since not blocking is what ULPs expect, kDAPL's listen function does 
> not block. The same should be true of the CMA function.

 From what I can see, kDAPL connect and listen calls can block, as does 
inet_listen.  I'm referring to the thread blocking within the call, specifically 
on a semaphore and memory allocation using GFP_KERNEL.  I am not referring to 
listen blocking until a connection request is received.

- Sean