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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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