I think I understand where you got confused. Quoting: "Addresses generated by the CPU that may be virtual addresses always wrap."
The cases where interrupts can happen are not with virtual memory accesses (such as your example). Eric Rossman, CISSPĀ® ICSF Cryptographic Security Development z/OS Enabling Technologies [email protected] "Paul Gilmartin" <[email protected]>: > An exception is *never* recognized on an LA instruction, even thoughwraparound > might occur or the value before truncation exceeds 24, 32, or 64 bits. > > The sequence: > LHG R1,=H(-1) > L R2,0(,R1) > ... is pretty much guaranteed to recognize an exception, but not because of > wraparound or truncation to 24, 31, or 64 bits. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
