From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45748) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XcJcz-0004Ny-Jk for qemu-devel@nongnu.org; Thu, 09 Oct 2014 15:44:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XcJcq-00062Y-FL for qemu-devel@nongnu.org; Thu, 09 Oct 2014 15:43:57 -0400 Received: from mail-qg0-x232.google.com ([2607:f8b0:400d:c04::232]:47917) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XcJcp-0005yp-FM for qemu-devel@nongnu.org; Thu, 09 Oct 2014 15:43:48 -0400 Received: by mail-qg0-f50.google.com with SMTP id q108so2830112qgd.23 for ; Thu, 09 Oct 2014 12:43:32 -0700 (PDT) Message-ID: <5436E55C.4070409@gmail.com> Date: Thu, 09 Oct 2014 14:43:24 -0500 From: Tom Musta MIME-Version: 1.0 References: <1412843785-960-1-git-send-email-reftel@spotify.com> In-Reply-To: <1412843785-960-1-git-send-email-reftel@spotify.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2] linux-user: Let user specify random seed List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Magnus Reftel , qemu-devel@nongnu.org On 10/9/2014 3:36 AM, Magnus Reftel wrote: > This patch introduces the -seed command line option and the > QEMU_RAND_SEED environment variable for setting the random seed, which > is used for the AT_RANDOM ELF aux entry. > > This is an updated version of the patch, addressing review comments > from Eric Blake. > Magnus: Possibly a dumb question: In a regular environment, is there a way for a user to control the 16 bytes of random data pointed to by AT_RANDOM? (I cannot find one). If not, why is this capability needed in Linux user mode?