linux-kernel - Re: [PATCH 1/1] x86: Add config option to setup early serial console

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Message-ID: <86802c440806121619g162626edv648b67b837e0d7f8@mail.gmail.com>
Date:	Thu, 12 Jun 2008 16:19:59 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	"Mike Travis" <travis@....com>, mingo@...e.hu, tglx@...utronix.de,
	hpa@...or.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] x86: Add config option to setup early serial console

On Thu, Jun 12, 2008 at 4:10 PM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
> On Thu, 12 Jun 2008 15:58:08 -0700
> Mike Travis <travis@....com> wrote:
>
>> Andrew Morton wrote:
>> > On Thu, 12 Jun 2008 15:38:03 -0700
>> > Mike Travis <travis@....com> wrote:
>> >
>> >>  * Add config option EARLY_SERIAL_CONSOLE to enable early
>> >>    printk's to be directed to the serial console.
>> ...
>> >>
>> >
>> > Confused.  What's wrong with console=uart,...?
>> >
>>
>> The problem is that I need the output really, really early before
>> the console is initialized.
>
> Sorry, I meant earlycon=uart..
> --

could move the parsing from early_param to head_64.c::x86_64_start_kernel

YH
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