[Skiboot] [PATCH 3/3] ... to prevent any potential poller recursions during lid load.

Benjamin Herrenschmidt benh at kernel.crashing.org
Tue Feb 17 18:57:56 AEDT 2015


On Tue, 2015-02-17 at 12:12 +0530, Ananth N Mavinakayanahalli wrote:
> The FSP apparently can service a FETCH_SP_DATA after HV functional --
> end of OPL. We can stick the preload in there... but... the FSP folks
> aren't sure about the earliest time we can get a OCC load; I will
> write
> to the OCC folks to get that info.
> 
> End of OPL is significantly early wrt loading other lids... so we will
> not hit the concurrency seen now.

No but if we get an OCC load request while we are preloading we are
stuffed, so we need to make sure we get that bit right.

Worst case, we put the OCC load request message in a private queue until
we have finished preloading LIDs and process them when we are done.

Cheers,
Ben.




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