Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp1786616ybb; Sun, 29 Mar 2020 13:23:34 -0700 (PDT) X-Google-Smtp-Source: ADFU+vuQTZMkIHWe0b/nFio3/kPjyfsUtsS5pd3033/ngbLTw4JUGp3bX6OhKYUYDSdAjGH+nnQ9 X-Received: by 2002:aca:1c13:: with SMTP id c19mr5380022oic.178.1585513414077; Sun, 29 Mar 2020 13:23:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1585513414; cv=none; d=google.com; s=arc-20160816; b=yxuQhsy0t9JwCG2Vj6n0zjUoYyy56L4/qjW4PJXwh9PLJXkJEITbMu8MBbq8qUywtW jd7qUXePi8biperXnkcAqcVKI8TO2Dl6Vf4niwjZhaUIp1/A9XNzMMTolVs54rludQzf quyV0Wy7M4MG9YMSBO3Oa+IS9UxRPKVXIK6UgGISVqwaRcl7qVeVQtH5f1GX8frOE3BZ mdMWr6/K4JiTXrwsQ7P0pmBS5IFaNHAJ+3S8A2oBdPkiQqubt06iAXNhnqD+/XrbuPK3 uTPUmqLR54rZO1PQSi0Ir8/DJWUORqYgpUse3cg8eg61ztXGOkkQKu1GZ+tNFxKdHpfO D9qQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=eHbbFfkkFhXCO02Nqmfb+0Wi67CjOGnMXvMU83fazlY=; b=WD6esWjAruWwFuzll3G3BEMPBh838uzEa591YJCtuOK/Q6qLWf8B5CTbPHO5iZwebO 0T1dWdeHGz1DxFBefY9KD5551PPOVVp8P+GTz5Hm6aK6CsPcXF3TCzh3T5tcQqOdQaCE lPhtMG4BRA+GnyUCdr0IYQUGTfIZcbWSHzqEU9piYTDB1GuY19kek2VQsw8NQ2ws3wXY 5dF6kPLoJW8OUukg35AkVK6nr+VW3VIKZUl0lBK5/duvqv533Lxryb6SRGlNMa8LNRJw jGKUpesoDM3e6AgofgT0q5e9Mfgoo9rzIl+80qAXl/rgbmlR7qAlMcI11DAsBq94cE3h +crA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ziepe.ca header.s=google header.b=j8hcpZZk; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n24si3042366otr.217.2020.03.29.13.23.21; Sun, 29 Mar 2020 13:23:34 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@ziepe.ca header.s=google header.b=j8hcpZZk; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728654AbgC2UCP (ORCPT + 99 others); Sun, 29 Mar 2020 16:02:15 -0400 Received: from mail-qt1-f195.google.com ([209.85.160.195]:43020 "EHLO mail-qt1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727101AbgC2UCP (ORCPT ); Sun, 29 Mar 2020 16:02:15 -0400 Received: by mail-qt1-f195.google.com with SMTP id a5so13376279qtw.10 for ; Sun, 29 Mar 2020 13:02:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=eHbbFfkkFhXCO02Nqmfb+0Wi67CjOGnMXvMU83fazlY=; b=j8hcpZZksr/SesklTFVI0HJZ3TFxuHUqsUnPtf2yvFgJSNT8Yn3N08uTnevHNbb4qx Edw/5WAeLJSLuNMnIdQQtPcNX+OyiT+K0NwRUyrbo72zEDI7n6d5Jwy9Ztshw53/IK35 3Uz/7qNka5lCJwXAhg70MNicUrC4ggntbcOdXGn4wMAVcNF6o/llIuZB2O4a8BqrqTeR CrxIRFeMfMzNUnqOS9JkUNTtVYvWDE+6h97uayaQkA7s2zqx2kkT/Y6u6gRweDZWaHw5 NKmot5xTUGXL7P/FiDKyQCbc7IGp9g5SnMuPLEhTSfx071L3q/4aMVyyJv9vuBKDxSDM 6WUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=eHbbFfkkFhXCO02Nqmfb+0Wi67CjOGnMXvMU83fazlY=; b=UberSG03fN6M/iedFiyiSsxJ0m4I4sTOVGssabTDOw7ZXGAXjXTb/wqUNAPYzXsTmg bhWtTPoY0+m7il6esZymh50zQLaZwT4DMfzm0vaT6kOOKFFx1FMayUzyCv7izwN13U6K 5h9APqSYs1bVNp40o72++jS/vFlKd1Wz5jhxpKpFZl+h96/fzmwyVb1oQiDo1EoV8UUb lY0EjWhvHpdyBj+EQIfVyJI6j0RcqaLE3eQAD6IdRhROqUP/WMzhuvl8GCLD5oL7pxWv JLQ3LjcStHSsIBmOrBQW2czkp4EPST2UIkt/L8lmeOw9fqtzuhL+LbZHE3Br720KsPnK 4ZMQ== X-Gm-Message-State: ANhLgQ2NNjs0O20p+Be9PruoypDROOFY8ZP2YbSoGZbLVMg9etuUXlDM Ybp1utts24VghF71wnormy+YSQ== X-Received: by 2002:ac8:dcf:: with SMTP id t15mr3942442qti.336.1585512134499; Sun, 29 Mar 2020 13:02:14 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-142-68-57-212.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.68.57.212]) by smtp.gmail.com with ESMTPSA id v187sm8455341qkc.29.2020.03.29.13.02.13 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 29 Mar 2020 13:02:13 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1jIe8L-0002nf-8Z; Sun, 29 Mar 2020 17:02:13 -0300 Date: Sun, 29 Mar 2020 17:02:13 -0300 From: Jason Gunthorpe To: George Spelvin Cc: Bernard Metzler , linux-kernel@vger.kernel.org, Doug Ledford , linux-rdma@vger.kernel.org, Faisal Latif , Shiraz Saleem , Bart Van Assche Subject: Re: [RFC PATCH v1 42/50] drivers/ininiband: Use get_random_u32() Message-ID: <20200329200213.GG20941@ziepe.ca> References: <202003281643.02SGhN9T020186@sdf.org> <20200329165204.GC4675@SDF.ORG> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200329165204.GC4675@SDF.ORG> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.. Jason