From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id B17A1A00BE; Mon, 4 May 2020 16:20:29 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 7C5961D16C; Mon, 4 May 2020 16:20:28 +0200 (CEST) Received: from mail-io1-f65.google.com (mail-io1-f65.google.com [209.85.166.65]) by dpdk.org (Postfix) with ESMTP id 967981D167 for ; Mon, 4 May 2020 16:20:27 +0200 (CEST) Received: by mail-io1-f65.google.com with SMTP id z2so12445235iol.11 for ; Mon, 04 May 2020 07:20:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=VIEVEW/chSPA9/0K0kfeuRmD58CCh3PTmXu1TJMhld0=; b=UUXy7O6FtDQ4Ji1cyI8+K9B3cIOp6MThTa1cgxqfkMU3XGXv0FxLZf8ME8Wi262DdW kIxZ1N3upBsTKIPbHWMn8AEV0brkwspUKvSc/HRA1B4pxXNcXVCvwncbCTzAaJE3Te+2 Mpl7iPGnrV+ZlFhe1puXQE3JzSeW71BkyG0kP2z1zpAosdk3XN/6Djtz6byBs1RvNBzC gr38rz7iSkjV8Qyd4n3MKgGxnnu22gk6XSG1nblUNUvCdSLP7Idqo7aYWrc1e/EGZfb1 0+4nAaSXsSEb2FUuK9qiOVmHwOcKoz7DBCDSX6vKY4qNFWHqu5zn3W7SDOTz2hFvCG4U wZYg== X-Gm-Message-State: AGi0PuaNjHfgInFtdKeg8cUgJmhKe4GmLTiE060evFxjeuzG0+JN4VUd X9FIsRoTjJFDK3s1qwlt6YV5Nrx/lH22IEtlUF4= X-Google-Smtp-Source: APiQypJldZofhbhxZ4wL77KWqNd6FsxleGIMNBOfwW8l1mnGrmSato57d6tude0/Jf+UWWbBjduqgTLN24V91W4VP8E= X-Received: by 2002:a5e:c318:: with SMTP id a24mr15385203iok.166.1588602026915; Mon, 04 May 2020 07:20:26 -0700 (PDT) MIME-Version: 1.0 References: <20200421195446.1730-1-dg@adax.com> <20200421195446.1730-3-dg@adax.com> <5df15087-781e-d27f-b7d8-50b1b8cb0c94@ericsson.com> <80e5cf97-feae-c753-5c65-4f3b121729f3@ericsson.com> <9782db5b1e5d2dfdcfa8e52410fd166df5db938d.camel@debian.org> <7e0c2b55-e842-d5a2-017e-d85194e37452@ericsson.com> In-Reply-To: From: Dan Gora Date: Mon, 4 May 2020 11:19:50 -0300 Message-ID: To: =?UTF-8?Q?Mattias_R=C3=B6nnblom?= Cc: Luca Boccassi , "dev@dpdk.org" , David Marchand , Jerin Jacob Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [dpdk-dev] [PATCH 2/2] eal: resolve getentropy at run time for random seed X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Mon, May 4, 2020 at 11:13 AM Dan Gora wrote: > > On Mon, May 4, 2020 at 5:04 AM Mattias R=C3=B6nnblom > wrote: > > > >> so what you are effectively asking is to > > >> double the size of the support matrix, and for the project to ensure > > >> that every single dependency can always be built against a new versi= on > > >> and used against an older one. > > > No, this is not correct. The size of the support/test matrix is > > > exactly the same, what changes is the number of build systems that > > > have to be supported. > > > > > > Before my patches you had to test targets with: > > > > > > no rdseed and no getentropy > > > rdseed and no getentropy > > > no rdseed and getentropy > > > rdseed and getentropy. > > > > > > rdseed will go away eventually, when all reasonable systems have > > getentropy(). That might well take a couple of years. So then why not just use only /dev/urandom for now, then change DPDK to use getentropy() when "all reasonable systems have getentropy()"? *problem solved* thanks dan