linux-kernel - Re: [PATCH] arch: riscv: support kernel command line forcing when no DTB passed

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Date:   Tue, 15 Jan 2019 07:44:55 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Paul Walmsley <paul.walmsley@...ive.com>
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        paul@...an.com, palmer@...ive.com, aou@...s.berkeley.edu
Subject: Re: [PATCH] arch: riscv: support kernel command line forcing when no
 DTB passed

On Mon, Dec 17, 2018 at 07:15:12PM -0800, Paul Walmsley wrote:
> 
> CONFIG_CMDLINE_FORCE doesn't work on RISC-V when no DTB is passed into
> the kernel.  This is because the code that forces the kernel command
> line only runs if a valid DTB is present at boot.  During debugging,
> it's useful to have the ability to force kernel command lines even
> when no DTB is present.  This patch adds support for doing so.

This looks fine to me:

Reviewed-by: Christoph Hellwig <hch@....de>

I just wish all this command line magic could be moved to common
code somewhere instead of being reinvented badly in every port..