On Tue, May 05, 2009 at 04:57:09PM -0400, Jeff Squyres wrote: > Roland and I chatted on the phone today; I think I now understand > Roland's counter-proposal (I clearly didn't before). Let me try to > summarize: > > 1. Add a new verb for "set this userspace flag to 1 if mr X ever becomes > invalid" > 2. Add a new verb for "no longer tell me if mr X ever becomes invalid" > (i.e., remove the effects of #1) > 3. Add run-time query indicating whether #1 works > 4. Add [optional] memory registration caching to libibverbs > > Prior to talking to Roland, I had envisioned *one* flag in userspace > that indicated whether any memory registrations had become invalid. > Roland's idea is that there is one flag *per registration* -- you can > instantly tell whether a specific registration is valid. > > Given this, let's keep the discussion going here in email -- perhaps the > teleconference next Monday may become moot.
It looks like there has been more discussion on how to implement this idea. Are we still planning on having this teleconference today? -- Jonathan Perkins http://www.cse.ohio-state.edu/~perkinjo
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