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SubjectMSI to memory?
Date
The conventional use of MSI is for a PCI adapter to generate processor
interrupts by writing to a local APIC. But I've seen some things
that lead me to believe it would also allow an adapter to write to
things other than a local APIC, i.e., to memory.

If so, is that a useful capability that should be exposed through
the Linux MSI interface?
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