[coreboot] proposed patch to src/lib/console.c

[Carl-Daniel Hailfinger]

On 21.04.2009 17:08, ron minnich wrote:
> On Tue, Apr 21, 2009 at 7:53 AM, Carl-Daniel Hailfinger
> <c-d.hailfinger.devel.2006 at gmx.net> wrote:
>
>   
>> v3 has/had that issue as well. Basically, we want to print stuff as
>> early as possible, but doing that before the Super I/O is set up is
>> questionable at best. It may work for some machines due to favourable
>> default settings, but I wouldn't count on it.
>>     
>
> Every kernel I've ever worked on has this problem. At some point, you
> can print. Before that point, you can not. The simplest way to handle
> the problem is to make sure people don't call any print functions
> before it is possible to do it.
>
> My experience has been that the way we're doing it can cause trouble,
> because people end up calling print functions that never print
> anything.
>   

I need to dig up that v3 patch of mine which buffered printk messages
until serial was working.

Regards,
Carl-Daniel

-- 
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