How logs will come to UART serial console?

[Haojian Zhuang]

On Tue, May 17, 2011 at 3:52 PM, sandeep kumar
<coolsandyforyou at gmail.com> wrote:
> Hi ,
> Here is my question.
> when we put 'printk's in kernel code the logs will go to the log_buffer.(i
> observed that from implementation)
> But when UART is enabled(in the bootloader), the same printk logs are going
> to the serial console.
> As per my study printk doesnot implementing anything that writes to the UART
> console.
>
> Now here are my questions,
> how this is being achieved? Where this is implemented?(which file)
>
console_unlock() in kernel/printk.c

> Where wil be the parsing of the cmdline string sent from the bootloader is
> done?
>
>
> Thanking you,
> sandeep kumar.
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