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

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Message-ID: <20150527120140.GC19582@pd.tnic>
Date:	Wed, 27 May 2015 14:01:40 +0200
From:	Borislav Petkov <bp@...e.de>
To:	Alexander Kuleshov <kuleshovmail@...il.com>
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

On Wed, May 27, 2015 at 01:33:23PM +0600, Alexander Kuleshov wrote:
> We can't use earlyprintk from the arch/x86/kernel/head{32,64}.c before
> parse_early_param from the arch/x86/kernel/setup.c.

Yes, and I'm simply asking why do we even want to use it there at all.
What do you think would need to be dumped with early_printk() calls
there and would be useful?

IOW, do you have a sensible use case for why we need it there or not?

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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