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Message-ID: <4C3AD94C.7070807@cs.helsinki.fi>
Date:	Mon, 12 Jul 2010 11:58:52 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Yinghai Lu <yinghai.lu@...cle.com>
CC:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: Setup early console as early as possible

Hi Yinghai,

Yinghai Lu wrote:
> Analyze "console=uart8250,io,0x3f8,115200n8" in i386_start_kernel/x86_64_start_kernel,
> and call setup_early_serial8250_console() to init early serial console.
> 
> only can handle io port kind of 8250. because mmio need ioremap.
> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>

What's the purpose of this patch? Does it make my early boot I/O patch 
obsolete?

			Pekka
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