Received: by 2002:ac0:bc90:0:0:0:0:0 with SMTP id a16csp3759893img; Mon, 25 Mar 2019 17:46:09 -0700 (PDT) X-Google-Smtp-Source: APXvYqw/n9uOZPuNk3P2cHQKLZExIGyDwBu3Iu99cDOQ9YjpooIdFVGkQmG4ycS4umlKMK3jR8uS X-Received: by 2002:a63:c54a:: with SMTP id g10mr4364554pgd.71.1553561169221; Mon, 25 Mar 2019 17:46:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1553561169; cv=none; d=google.com; s=arc-20160816; b=Lm6IBPRQdJgOZRCnxXS4DrcmLHDywPTT79KyvZePYCB0kT2GSzlmuwYYjzAWfjmPr4 ZAGSjqw5tDOSKE9QKpgX/HXUiQHpE7iO69+uWgc7EfCxIi29tkaNW4qqQTXvMpkNKOmv zpeV2o0jtybZtFQ5wuE+aUaZIN2DbI6MDL2akgATJePUtlIafGUBBqG5GmiDxJAkica1 Cfh5nwndFQE9TR8xuVGkKC6jm27b6eMn3R+l3j08Rt5L+tDxFtAiQbk/9gsqeLGtRmZa ZAgVZn6PYucIxpRy2wvgN3PghGnQuYlOvhJmksGloaB624MD6KpYXrunjZJ7hj5VQBMh esPg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=YoNMD/V56KoSNfS/qsV/0P7CCi9/C1+CojlgDRlmfjI=; b=E3m64v8RDjSHtpqJncJN6BcHo6emAb5JZWBG1t+QhICUHzS8meSUrG/iaCtjp+xVzp OAnPI5chzr8XBu44QK+bozKBefI2dgPk2y55Hpgh38BbMubm40+/gRuGaxn5nP38BGkm A+OE815bGC0kR+cs1sp8UfxpUzCaTFNtZEofH7Adg+3dloQdoxbGmFvIwnj8CYv5SMCv /4YaMnSHOQn0gYzq5lFXHjID9bDPHPCks8HFWYCg5lzYJf90pPcvoHYmatPmEDOo3WKi vachtQcWXeBYmsVX66JBuDMrgHlEwTxRe+hX4roV8D4uR+z0K7zvalROqWBKJGR8BrDP RKGQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b="UgwcYj/M"; 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 a90si16166569pla.401.2019.03.25.17.45.54; Mon, 25 Mar 2019 17:46:09 -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; dkim=pass header.i=@kernel.org header.s=default header.b="UgwcYj/M"; 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 S1730615AbfCZAov (ORCPT + 99 others); Mon, 25 Mar 2019 20:44:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:33354 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726553AbfCZAov (ORCPT ); Mon, 25 Mar 2019 20:44:51 -0400 Received: from localhost (li1825-44.members.linode.com [172.104.248.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D3AF62080F; Tue, 26 Mar 2019 00:44:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553561090; bh=8SUfUE5nuZ1q7O+shWBJjUmIu7S7n/I9P2djfmaQFt0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=UgwcYj/MtOYsZSRSAQZJZmAOXrcAJWxN8DvslHezaJxGGppnUH9hg0WRn3OC3rd+5 CIOEoiA2anJiXnkvhlqLHbwgOEBeE0v9dkEPNPK1g+exjlciJPASiI196sSYfbfeMa j1gLzdLm1hOYZFHXDyJli5H+H3Cii/Zz4DKCVJOY= Date: Tue, 26 Mar 2019 09:43:51 +0900 From: Greg Kroah-Hartman To: Matthew Garrett Cc: James Morris , LSM List , Linux Kernel Mailing List , David Howells , Andy Shevchenko , acpi4asus-user@lists.sourceforge.net, platform-driver-x86@vger.kernel.org, Matthew Garrett , Thomas Gleixner Subject: Re: [PATCH 25/27] debugfs: Restrict debugfs when the kernel is locked down Message-ID: <20190326004351.GA26712@kroah.com> References: <20190325220954.29054-1-matthewgarrett@google.com> <20190325220954.29054-26-matthewgarrett@google.com> <20190326003137.GB5112@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 25, 2019 at 05:38:09PM -0700, Matthew Garrett wrote: > On Mon, Mar 25, 2019 at 5:35 PM Greg Kroah-Hartman > wrote: > > On Mon, Mar 25, 2019 at 03:09:52PM -0700, Matthew Garrett wrote: > > > Normal device interaction should be done through configfs, sysfs or a > > > miscdev, not debugfs. > > > > Then why not just not allow debugfs at all if it is such a "big > > problem"? > > Previous attempts to do so have resulted in strong pushback from > various maintainers. If you're happy just having any complaints > reassigned to you then I'm more than happy to turn it off entirely. Sure, send them my way :)