linux-kernel - Re: [PATCH] earlyprintk: re-enable earlyprintk calling early

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Message-Id: <20140814133425.0677d072ff45bce8431baae1@linux-foundation.org>
Date:	Thu, 14 Aug 2014 13:34:25 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	kpark3469@...il.com
Cc:	keun-o.park@...driver.com, hpa@...or.com,
	rafael.j.wysocki@...el.com, peterz@...radead.org,
	rusty@...tcorp.com.au, kirill.shutemov@...ux.intel.com,
	oleg@...hat.com, prarit@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] earlyprintk: re-enable earlyprintk calling early_param

On Thu, 14 Aug 2014 19:13:36 +0900 kpark3469@...il.com wrote:

> From: Sahara <keun-o.park@...driver.com>
> 
> Although there are many obs_kernel_param and its names are
> earlyprintk and also EARLY_PRINTK is also enabled, we could not
> see the early_printk output properly until now. This patch
> considers earlycon as well as earlyprintk.

Sorry, I just don't understand this description.

What does the patch actually do?  What was the kernel behaviour without
the patch and what is the kernel behaviour with the patch?

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