From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10F4FC43331 for ; Sun, 29 Mar 2020 20:45:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DD3F920748 for ; Sun, 29 Mar 2020 20:45:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727903AbgC2UpV (ORCPT ); Sun, 29 Mar 2020 16:45:21 -0400 Received: from mx.sdf.org ([205.166.94.20]:50317 "EHLO mx.sdf.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727370AbgC2UpV (ORCPT ); Sun, 29 Mar 2020 16:45:21 -0400 Received: from sdf.org (IDENT:lkml@sdf.lonestar.org [205.166.94.16]) by mx.sdf.org (8.15.2/8.14.5) with ESMTPS id 02TKj3GP003334 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits) verified NO); Sun, 29 Mar 2020 20:45:04 GMT Received: (from lkml@localhost) by sdf.org (8.15.2/8.12.8/Submit) id 02TKj23i004239; Sun, 29 Mar 2020 20:45:02 GMT Date: Sun, 29 Mar 2020 20:45:01 +0000 From: George Spelvin To: Jason Gunthorpe Cc: Bernard Metzler , linux-kernel@vger.kernel.org, Doug Ledford , linux-rdma@vger.kernel.org, Faisal Latif , Shiraz Saleem , Bart Van Assche , lkml@sdf.org Subject: Re: [RFC PATCH v1 42/50] drivers/ininiband: Use get_random_u32() Message-ID: <20200329204501.GF4675@SDF.ORG> References: <202003281643.02SGhN9T020186@sdf.org> <20200329165204.GC4675@SDF.ORG> <20200329200213.GG20941@ziepe.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200329200213.GG20941@ziepe.ca> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Sun, Mar 29, 2020 at 05:02:13PM -0300, Jason Gunthorpe wrote: > On Sun, Mar 29, 2020 at 04:52:04PM +0000, George Spelvin wrote: >> Many intra-machine networks (like infiniband) are specifically not >> designed to be robust in the face of malicious actors on the network. > > This is not really true at all.. Eep, this came out wrong! Let me clarify: Many intra-machine networks like SCSI, LPC, HyperTransport, QuickPath, and I2C are specifically not designed to be robust in the face of malicious actors on the network/bus. I don't know, *and was wondering*, whether this is true of Infiniband. Does that make more sense?