Do I need to hold any locks ?

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On Sep 8, 2013, at 9:35 PM, Peter Relson <[email protected]> wrote:

>> CVTPCCAT->PCCAVT->PCCA->PSA
> 
> If you are not serialized properly, any reference to the PCCA can blow up 
> as the PCCA may be freed if the processor is taken offline.
> 
> If you are referencing "your" PSA, PCCA->PSA is incorrect (hint: look up 
> "reverse prefixing"). 
> 
> Peter Relson
> z/OS Core Technology Design
> 
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