linux-kernel - Re: [PATCH v5 0/3] init: add support to directly boot to a mapped device

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Message-ID: <20160221220839.GD16166@agk-dp.fab.redhat.com>
Date:	Sun, 21 Feb 2016 22:08:40 +0000
From:	Alasdair G Kergon <agk@...hat.com>
To:	Kees Cook <keescook@...omium.org>
Cc:	Alasdair Kergon <agk@...hat.com>,
	Mike Snitzer <snitzer@...hat.com>, dm-devel@...hat.com,
	Jonathan Corbet <corbet@....net>, Shaohua Li <shli@...nel.org>,
	Dan Ehrenberg <dehrenberg@...omium.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Chen Yu <yu.c.chen@...el.com>,
	Vishnu Pratap Singh <vishnu.ps@...sung.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Yaowei Bai <baiyaowei@...s.chinamobile.com>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-raid@...r.kernel.org, Will Drewry <wad@...omium.org>,
	David Zeuthen <zeuthen@...gle.com>
Subject: Re: [PATCH v5 0/3] init: add support to directly boot to a mapped
	device

On Sat, Feb 20, 2016 at 10:13:49AM -0800, Kees Cook wrote:
> This is a resurrection of a patch series from a few years back, first
> brought to the dm maintainers in 2010. It creates a way to define dm
> devices on the kernel command line for systems that do not use an
> initramfs, or otherwise need a dm running before init starts.
> 
> This has been used by Chrome OS for several years, and now by Brillo
> (and likely Android soon).
> 
> The last version was v4:
> https://patchwork.kernel.org/patch/104860/
> https://patchwork.kernel.org/patch/104861/
 
Inconsistencies in the terminology here can be sorted out during review,
and I see that you've taken on board some of my review comments from
2010, but what are your responses to the rest of them?

Alasdair