From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932213AbeBACDj (ORCPT ); Wed, 31 Jan 2018 21:03:39 -0500 Received: from mail-qt0-f195.google.com ([209.85.216.195]:40762 "EHLO mail-qt0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932137AbeBACDh (ORCPT ); Wed, 31 Jan 2018 21:03:37 -0500 X-Google-Smtp-Source: AH8x226wEvP8jyYwr+zvihUNxC4XSxuP2TyImjbwzxrVKnhJyTkUoXtzWxA5+ls8rGGQwyddqMsQ6A== Date: Wed, 31 Jan 2018 21:03:32 -0500 From: Arvind Sankar To: Rob Landley Cc: Mimi Zohar , initramfs , Taras Kondratiuk , Victor Kamensky , linux-security-module , Al Viro , linux-kernel Subject: Re: [RFC PATCH] rootfs: force mounting rootfs as tmpfs Message-ID: <20180201020331.GA3774@rani.riverdale> References: <1517348777.3469.5.camel@linux.vnet.ibm.com> <1814af5c-170d-39c0-58fd-02eb7216e008@landley.net> <1517436423.3469.237.camel@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.7.2 (2016-11-26) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 31, 2018 at 05:48:20PM -0600, Rob Landley wrote: > On 01/31/2018 04:07 PM, Mimi Zohar wrote: > > On Wed, 2018-01-31 at 13:32 -0600, Rob Landley wrote:>> (The old "I configured in tmpfs and am using rootfs but I want that > rootfs > >> to be ramfs, not tmpfs" code doesn't seem to be a real-world concern, does > >> it?) > > > > I must be missing something.  Which systems don't specify "root=" on > > the boot command line. > > Any system using initrd or initramfs? > Don't a lot of initramfs setups use root= to tell the initramfs which actual root file system to switch to after early boot?