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Date: Wed, 31 Jan 2018 23:22:01 -0500 From: Mimi Zohar <zohar@...ux.vnet.ibm.com> To: Arvind Sankar <nivedita@...m.mit.edu>, Rob Landley <rob@...dley.net> Cc: initramfs <initramfs@...r.kernel.org>, Taras Kondratiuk <takondra@...co.com>, Victor Kamensky <kamensky@...co.com>, linux-security-module <linux-security-module@...r.kernel.org>, Al Viro <viro@...IV.linux.org.uk>, linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: [RFC PATCH] rootfs: force mounting rootfs as tmpfs On Wed, 2018-01-31 at 21:03 -0500, Arvind Sankar wrote: > 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? With your patch and specifying "root=tmpfs", dracut is complaining: dracut: FATAL: Don't know how to handle 'root=tmpfs' dracut: refusing to continue Mimi
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