linux-kernel - Re: [PATCH v8 0/3] x86/earlyprintk: setup serial earlyprintk as early as possible

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Message-ID: <CANCZXo6MnhoGQv3pCFCjG+ffimJ7Jir_SvCd0CZa8k2-tBm-qg@mail.gmail.com>
Date:	Tue, 26 May 2015 20:11:07 +0600
From:	Alexander Kuleshov <kuleshovmail@...il.com>
To:	Borislav Petkov <bp@...e.de>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Mark Rustad <mark.d.rustad@...el.com>,
	Yinghai Lu <yinghai@...nel.org>
Subject: Re: [PATCH v8 0/3] x86/earlyprintk: setup serial earlyprintk as early
 as possible

2015-05-26 19:57 GMT+06:00 Borislav Petkov <bp@...e.de>:
> On Tue, May 26, 2015 at 07:20:02PM +0600, Alexander Kuleshov wrote:
>> To be able to use early_printk and serial console between kernel
>> decompression and parse_eary_param.
>
> So no real use case - only a "just because we can" case.
>

It is not "just because we can". There is some code after kernel decompression
and before parse_early_param and earlyprintk can be useful for
printing debugging information
in this case.
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