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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49797C32789 for ; Sat, 20 Aug 2022 18:27:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229650AbiHTS1Z (ORCPT ); Sat, 20 Aug 2022 14:27:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229493AbiHTS1X (ORCPT ); Sat, 20 Aug 2022 14:27:23 -0400 Received: from zeniv.linux.org.uk (zeniv.linux.org.uk [IPv6:2a03:a000:7:0:5054:ff:fe1c:15ff]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43287115; Sat, 20 Aug 2022 11:27:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=chrKz2qJ9ZkVm8OQeZzW+KP/glHbFy4cwS/hAIybqxw=; b=h9GWDRQRAWwDXEpRAVqCPxnx38 3OtxrLRleFxajQuNuk6vKfxQu48IUmu14YSJi7p/JmQsV+88m479UFgZSxF4reH5OcPVRArukBOTk dAznMKmYBJWoyUf0z6rtIlNBN7GfisrHAw853XVf7TGtlOckWl+GSqfHjTtmZo/lex6WkCM3+z/nZ SICggJ9+kIcZxQ018/ppn6Z/xO8y0QyFB04FTsbklX8kKMcZOmMFtyNKWATOB81B+ZPa257OGOFSy 9RozrF41BIK/7XdqWpDMNaN5mst7I05EL2WuNfRQpQ2DBkKD1nJIiDuNcCXxx5aAKp79s/xROk4rn s6SPGCjw==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.95 #2 (Red Hat Linux)) id 1oPTBo-006RmP-AP; Sat, 20 Aug 2022 18:27:20 +0000 Date: Sat, 20 Aug 2022 19:27:20 +0100 From: Al Viro To: Linus Torvalds Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman Subject: Re: [PATCH 4/7] termios: consolidate values for VDISCARD in INIT_C_CC Message-ID: References: <20220820033730.1498392-1-viro@zeniv.linux.org.uk> <20220820033730.1498392-4-viro@zeniv.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: Al Viro Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 20, 2022 at 11:01:26AM -0700, Linus Torvalds wrote: > On Fri, Aug 19, 2022 at 8:37 PM Al Viro wrote: > > > > However, util-linux still resets it to ^O on any architecture, > > ^O is the historical value, kernel ignores it anyway and finally, > > Linus said "Just change everybody to do the same, nobody cares > > about VDISCARD". > > Heh. Grepping for DISCARD_CHAR() shows that there literally doesn't > seem to be any user. > > I guess some user space program could care what the initial value is, > but it seems very unlikely. Quite, especially since those programs would have to run before getty gets a chance to reset the sucker to ^O...