As Tony Harminc stated "Key controlled protection is there for a reason."
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Being a CICS & MQ Systems Programmer I rarely get the oppurtunity to write code
in a system key. For those times that I needed to, It was easier to simply
switch to KEY 0, execute the few instructions needed and switch back. Granted
this may not be proper coding technique.
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Tonys comment got me thinking, and after some little research I was unable to
find any publications or documents or even SHARE presentaions, That discuss
coding programs in a SYSTEM key Other than Key 0.
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Is anyone Aware of a presentaion or documntaion that discuss this ?
Coding programs in a System Key 1-7.
What are the considerstions involved ?
What are the recommended techniques ?
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Paul D'Angelo
---------- Original Message ----------
From: Tony Harminc <[email protected]>
To: [email protected]
Subject: Re: IVSK and SPKA
Date: Wed, 8 Jul 2015 18:38:51 -0400
On 8 July 2015 at 17:09, michelbutz <[email protected]> wrote:
> I know that a S0C4 reason 4 occurs anytime the storage key doesn't match the
> PSW key bits 8 - 11
Uh, no.
> Would IVSK. R1,R2 and SPKA 0(R11) prevent this
It's highly unlikely. Perhaps if you set R11... But I can hardly
overemphasise how bad an approach all this is. Key controlled
protection is there for a reason.
Tony H.
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