On 9/5/07, Robin Holt <holt@xxxxxxx> wrote: > > No :) those interested are big hardware makers of large scaled out > > boxes, such as HP, UIS. They are using own asics and are not > > necessarily being able to keep chipset native capabilities intact. As > > I said in the preamble, the mechanism has to be there so they can turn > > the ptc.g off and run the OS. > > This really sounds like it is best done as a machvec. Currently, Altix > (sn2) does not have a ptc.g that spans nodes. We have our own tlb purge > mechanism which is very flexible and scalable. Maybe it would be best > to follow that example. To repeat Bjorn's comments, this area can be > fraught with _VERY_ difficult to diagnose problems. A boot test can > hardly be expected to uncover all the races so be patient while we walk > through this code. > All right, all right ... :) I'll do the machvec then. Thanks guys, will peek into the sn2 to get an idea. Regards, --Natalie - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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