Fab Tillier wrote: >> From: Caitlin Bestler [mailto:[EMAIL PROTECTED] >> Sent: Wednesday, January 25, 2006 9:22 AM >> >>>> although we would prefer that it wouldn't block if possible >>> >>> mmm. All the current memory registration verbs both user and kernel >>> are blocking, is it an issue for you? >>> >> >> If you need to do memory registrations in a context where blocking is >> not an option then you really need FMR work requests as in RDMAC and >> InfiniBand 1.2 verbs. > > No. The blocking semantics of memory registration APIs is a > deliberate design choice and not a limitation of the > hardware. It is possible (though more > complicated) to make the API asynchronous. No existing IB > stack to date has ever done so, however. > > - Fab
If asynchronous memory registration (via work request) is such a bad idea then why is it part of both the RDMAC iWARP and InfiniBand 1.2 verb specifications? _______________________________________________ openib-general mailing list openib-general@openib.org http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
