Received: by 2002:a25:5b86:0:0:0:0:0 with SMTP id p128csp812463ybb; Thu, 28 Mar 2019 12:40:44 -0700 (PDT) X-Google-Smtp-Source: APXvYqyxQvEAqN3XVUz3u5fOaIvibE5YSArB5gtekA30i7hRS/LJJhy2Q+KSlFEFAZ0OJKul8AQt X-Received: by 2002:a63:e310:: with SMTP id f16mr40613097pgh.93.1553802044382; Thu, 28 Mar 2019 12:40:44 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1553802044; cv=none; d=google.com; s=arc-20160816; b=K5PkqYMbvK9DP7LI5oS85RnLIjTIj7K7+1iLB4e0xvjPYIsCwmhVpsFkEiqu0YZ7vM yDIngcsrz/Ea7Pafn4ZHck2WGpdWEAG4rcbYN6TASKPASUqKi+Ey1awA9vV/ZxJ9Htjx colNeXfQYxg1s6KP4kJeEDybUfHA9lzFua9pH1Lx2ME8L/CL6TZxhvyo5Pr2Cwzkf6q0 lYhaK5xDRENkJLsmcEqGkHUNAr9newBKHqMCRKVwjfr+RD9/XMztEMLnuFXxL5zM0Hn5 fzBd5Lv/ts6e0vJwGHXYMQqt4hQtu1Zo0M5cLnVm+kpyuTL6OlT9GLCoKOTD5ZHyxzgT Mchw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=XEKrd4HcT9j3tgz2L5VtSjtP2wxBhgutLC41+QWUbnw=; b=CwsTLJ7nmRfmE4KaCg65gxhNGbDpE4tJ7i59COx6pIYV2bMG76wL4M0nZMXSNj07yk TpeFSrWlHBgCIcBzPjHatDYxTxwr0pC9UyQM/VBIBFdfMYnLvcneVoi4LsPEhKENBfns 8OLxKL+/zdI8rQx3CpvpUDpaXhJ3vWHdaE6iQdsom3igP8FMw3S1S5+5F3nNw1fXgacb BqRpiLipPbA1MTj7FYrmp5NLFkuvvF+a/0ZnVwhwF4Y1LdC2yBcnxetwdtdgFXSu21cq SrT82F80srKgJyUDA2hxQuXpoO0IiUNNh13rLzKjcvZ/9fTWtQCKzIq4l7rLf3tegJSF kg2g== ARC-Authentication-Results: i=1; mx.google.com; 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 z11si22366284pgc.145.2019.03.28.12.40.27; Thu, 28 Mar 2019 12:40:44 -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; 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 S1726136AbfC1Tjw (ORCPT + 99 others); Thu, 28 Mar 2019 15:39:52 -0400 Received: from terminus.zytor.com ([198.137.202.136]:51431 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725994AbfC1Tjw (ORCPT ); Thu, 28 Mar 2019 15:39:52 -0400 Received: from hanvin-mobl2.amr.corp.intel.com ([192.55.54.43]) (authenticated bits=0) by mail.zytor.com (8.15.2/8.15.2) with ESMTPSA id x2SJdH8J3459445 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Thu, 28 Mar 2019 12:39:18 -0700 Subject: Re: [PATCH v2] tty/serial: Add a serial port simulator To: Randy Dunlap , cminyard@mvista.com Cc: minyard@acm.org, Greg Kroah-Hartman , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org References: <20190305171231.22133-1-minyard@acm.org> <20190306015149.GD4290@minyard.net> <041e137e-0b9d-04f9-255d-b1f402b23c17@infradead.org> From: "H. Peter Anvin" Message-ID: <447407be-0f49-f29d-6e81-bf4ed0a6e56b@zytor.com> Date: Thu, 28 Mar 2019 12:39:12 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.0 MIME-Version: 1.0 In-Reply-To: <041e137e-0b9d-04f9-255d-b1f402b23c17@infradead.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dumb question: this is basically a pty on steroids. Wouldn't this be better done by enhancing the pty devices? -0hpa