linux-kernel - Re: [PATCH] x86,setup: add serial_console_port_base in boot

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Message-ID: <4C5469AF.2010608@zytor.com>
Date:	Sat, 31 Jul 2010 11:21:35 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Cyrill Gorcunov <gorcunov@...il.com>
CC:	Yinghai Lu <yinghai@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Pekka Enberg <penberg@...helsinki.fi>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86,setup: add serial_console_port_base in boot_params

On 07/31/2010 01:34 AM, Cyrill Gorcunov wrote:
> On Thu, Jul 15, 2010 at 03:27:18PM -0700, Yinghai Lu wrote:
>>
>> to save the early_serial_base.
>>
>> Also bootloader could fill that field, so setup code could reuse it.
>>
>> decompress code could reuse early serial console from setup code.
>>
>> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
>>
> 
> Hi Yinghai, sorry for delayed response. I like the idea much since it'll allow
> to log decompressor messages in case if someone would be changing exitsting code
> or developing new one, though this touches boot protocol so that grub/syslinux
> and friends will have to update their code as well which of course need some
> time.
> 

No, this is the internal part of the boot protocol, so it's not an issue.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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