[ofa-general] Re: [RFC] [PATCH 0/3] 2.6.22 or 23 ib: add pathrecord cache

Michael S. Tsirkin mst at dev.mellanox.co.il
Wed Apr 25 22:22:42 PDT 2007


> Quoting Hal Rosenstock <halr at voltaire.com>:
> Subject: RE: [ofa-general] Re: [RFC] [PATCH 0/3] 2.6.22 or 23 ib: add pathrecord cache
> 
> On Mon, 2007-04-23 at 18:51, Sean Hefty wrote:
> > >We could solve this by implementing a process running on the same node as the
> > >SA.
> > >And it's probably not too hard to add a way for opensm to spit out
> > >the table into an external file when it gets a signal or something.
> > 
> > I agree that there are ways to solve this, but those solutions won't work with
> > existing SAs and define a new SA interface.  If we're willing to break
> > compatibility or add extensions, we could also extend the SA to provide better
> > support for caching.  For example, add a new 'path updated' trap.
> 
> There is ongoing work here. Stay tuned for IBA 1.2.1 hopefully coming
> soon...

Maybe you guys want to discuss this in Sonoma.
We wouldn't want to merge something non-standard upstream,
creating compatibility problems for everyone.

-- 
MST



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