[ofiwg] Hugepages usage in libfabric

Jason Gunthorpe jgg at ziepe.ca
Wed Apr 10 09:56:51 PDT 2019


On Wed, Apr 10, 2019 at 04:09:52PM +0000, Hefty, Sean wrote:
> > If the app isn't forking it shouldn't even be calling ibv_fork_init in
> > the first place, which solves both problems.
> 
> Libfabric calls this because it has no idea if the higher level user
> will call fork or not.  The default is to assume this for
> correctness.

You think the rest of libfabric is fork safe? 

No hidden threads in any provider (i see many things calling pthread
create)?

No other places locking memory? (I see only one call to
MADV_DONTFORK..)

Jason


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