On Sat, 8 Apr 2006, Devesh Sharma wrote:
> In your nfs-rdma context what this function is supposed to do? It should create a memory region for the specified address range. For the exact semantics, see the IBTA spec's description of the REGISTER PHYSICAL MEMORY REGION verb (section 11.2.8.3 of the 1.2 spec). > I know that this function returns memory region, but what is the > difference from other mr returning functions? why get_dma_mr can't > be used? get_dma_mr() will return a memory region which covers all of physical memory. For security reasons, it is not always desirable to expose all of physical memory. ib_reg_phys_mr() allows for more fine grained access control. _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
