From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: protection domain question Date: Sat, 9 Apr 2016 12:03:31 -0700 Message-ID: <20160409190331.GA23186@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=unknown-8bit Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org As far as I can tell from reading the Verbs spec the raison d'=C3=AAtre= for protection domains is to allow associating MRs with different address spaces in userspace programs. Is there any good reason to have each kernel driver create it's own PDs instead of simply creating one per device and sticking it into the ib_device structure? -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" i= n the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html