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From: mitchalsup@aol.com (MitchAlsup1)
Newsgroups: comp.arch
Subject: Re: PCIe MSI-X interrupts
Date: Sat, 22 Jun 2024 01:51:27 +0000
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One thing to note::

The PCIe root complex may send out an address, but when the
MMI/O receiver of said address then uses bits in the address
for routing purposes or interpretation purposes, it matters 
not that the sender did not know those bits were being used 
thusly--those bits actually do carry specific meaning--just 
not to the sender.

At some level in architecture, you have to look both ways
and amalgamate the meanings, such that the common meaning
is useful looking in either direction.

Not a miff--just a statement of what architecture is.