Quoting r. Or Gerlitz <[EMAIL PROTECTED]>: > Subject: Re: [openib-general] [PATCH] fmr pool: remove unnecessary pointer > dereference > > On 7/10/06, Roland Dreier <[EMAIL PROTECTED]> wrote: > > Yes, looks like a good idea since the underlying FMR API doesn't > > change the IOVA. > > So this means that a ULP can not map on the same time these two page sets: > <A,B> and <A,B,C> suggesting the verbs layer to have A being the IOVA > at the HCA IOMMU (eg MPT/MTT in the mellanox case), and getting some > A* to be used for the second map? > > Such a mapping might be possible eg under zero copy (direct IO) test > doing two reads on parallel.
Sorry, I don't understand what you are trying to do, or how its related to the patch. Example? -- MST _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
