Anything in the LPA concatenation should be refreshable and reentrant.
The advantages are:
VSCR in multitasking environments.
Reduced page load
Some protection against bugs
--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
עַם יִשְׂרָאֵל חַי
נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
________________________________________
From: IBM Mainframe Discussion List <[email protected]> on behalf of
Richard Zierdt <[email protected]>
Sent: Friday, August 23, 2024 12:20 PM
To: [email protected]
Subject: Non-reentrant program not allowed (where?); Advantages of reentrant
programs?
Some assembly textbook authors advise always writing reentrant code "because
you never know if your program will be" [placed in some library / system space].
The question is: where (e.g. what libraries) must programs be reentrant to be
"allowed in" ?
Besides specific libraries (if any), are there other advantages to reentrant
code ?
Thanks --
Richard Zierdt
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