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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 44B4BC2D0C3 for ; Tue, 31 Dec 2019 02:00:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 09C7D2071E for ; Tue, 31 Dec 2019 02:00:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="tSWj3wsG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726543AbfLaCAL (ORCPT ); Mon, 30 Dec 2019 21:00:11 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:37056 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725379AbfLaCAL (ORCPT ); Mon, 30 Dec 2019 21:00:11 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:To: Subject:Sender:Reply-To:Cc:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=6Ol1fK/4gXmBq5ENpSBID5RX1BAyG5LAjEmY2bGxy5E=; b=tSWj3wsGDbecSD8noCvW3twMQ e4oTmruQIONQYsMawGUmZHRZVffhi14Mp8UF7UDLjPFrryOVlHR7ZDdxPOWVt2TJ03CWmzGbxITSp HJpSI6cfbquhaX3MRFnS60IbgiOfbQ2lppM+pXhHSezJbYqz0TFxAqr98LKz1QeGtVuAr+9FWhroR lvVofQvqVkY/TpY4W1wPC2t1buJctvN6hbg2smbrSZwNzu3Z+9wL/Vp2VfAxL9bFQCIXbhBqrOc7s Wb19iaSmlrhqlguMkXIzNLKvyM2Z1RZcFsON9ENcdyyQ7sHrHE8RNvgU7Lnwv2WEdSBIPqbOV2HUC n8VURdP3g==; Received: from [2601:1c0:6280:3f0::34d9] by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1im6pO-00061l-9o; Tue, 31 Dec 2019 02:00:10 +0000 Subject: Re: Why is CONFIG_VT forced on? To: Rob Landley , linux-kernel@vger.kernel.org References: <9b79fb95-f20c-f299-f568-0ffb60305f04@landley.net> <018540ef-0327-78dc-ea5c-a43318f1f640@landley.net> From: Randy Dunlap Message-ID: <0ce685c3-a14e-0cc9-1c9c-4673bfab2e25@infradead.org> Date: Mon, 30 Dec 2019 18:00:08 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.1 MIME-Version: 1.0 In-Reply-To: <018540ef-0327-78dc-ea5c-a43318f1f640@landley.net> 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 On 12/30/19 5:45 PM, Rob Landley wrote: > On 12/30/19 6:59 PM, Randy Dunlap wrote: >> # >> # Character devices >> # >> CONFIG_TTY=y >> # CONFIG_VT is not set >> >> But first you must set/enable EXPERT. See the bool prompt. > > Wait, the if doesn't _disable_ the symbol? It disables _editability_ of the > symbol, but the symbol can still be on (and displayed) when the if is false? Yes, displayed but not edited. > (Why would...) > > Ok. Thanks for pointing that out. Any idea why the menuconfig help text has no > mention of this? Hm, it's disappointing that EXPERT is not mentioned there somewhere, when using menuconfig or nconfig. When using xconfig, and selecting "Virtual terminal" VT, xconfig help does say: type: bool unknown property: symbol dep: TTY && !UML prompt: Virtual terminal dep: TTY && !UML && EXPERT <<<<< so the prompt depends on EXPERT select: INPUT dep: TTY && !UML default: y dep: TTY && !UML -- ~Randy