[ofw] RE: Possible IPoIB DMA problems

Fab Tillier ftillier at windows.microsoft.com
Thu Aug 21 09:44:20 PDT 2008



>From: Alex Estrin [mailto:alex.estrin at qlogic.com]
>Sent: Thursday, August 21, 2008 9:28 AM
>
>From your examples ... these are the places where appropriate physical
>address is taken from virtual.
>preparing send WR.

The physical address returned is CPU-relative, not bus relative.  These can be different, but generally have not been on x86/x64 platforms.

-Fab



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