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

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Message-ID: <1432652334.8736.39.camel@linux.intel.com>
Date:	Tue, 26 May 2015 17:58:54 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Alexander Kuleshov <kuleshovmail@...il.com>
Cc:	Borislav Petkov <bp@...e.de>, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.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

On Tue, 2015-05-26 at 20:11 +0600, Alexander Kuleshov wrote:
> 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.

So, what is *yours* use case? From here you describe a *potential* use
case, not a real one.

-- 
Andy Shevchenko <andriy.shevchenko@...el.com>
Intel Finland Oy

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