From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brian Subject: Re: Problem Pinning Physical Memory Date: Fri, 26 Nov 2010 14:08:07 +0000 (UTC) Message-ID: References: <20101124135507.GA23230@mtldesk30> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org Eli Cohen writes: > You can't regiter IO memory using ibv_reg_mr() - you can only do that > by registering that memory using physical memory registration which is > available only for kernel consumers. You can't allow userspace to > register physical pages as this is a security breach. So, would ibv_reg_mr work with physical memory if run from a kernel module? (or would something else have to be used instead). I have no requirement that this run in userspace. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html