CDS does serialization, then an interlocked update and then serialization. LM does not do either.
Later, Steve Thompson -----Original Message----- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Binyamin Dissen Sent: Thursday, July 27, 2006 10:12 AM To: [email protected] Subject: Doing a LM of two words on a double word bounday - is it serialized? I would like to guarantee a concurrent load of two words on a double word boundary. Will LM serialize the doubleword? Or must I something hokey like a CDS which appears to do a concurrent load if the result is not equal. <snip>l ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

