Problem of concurrency in arch/ppc/8260_io/uart.c

[Dan Malek]

Joakim Tjernlund wrote:

> I am taking a stab at my_console_write() as well. I have something that works well
> for me, but i am unsure if I have broken KGDB/XMON support.

You better check it.  The reason for all of the complexity in there is to
support that.  Lots of time was spent making kgdb/xmon work correctly, and
to break it or toss it away would kinda piss me off.

> ....In my new my_console_write()
> I must know the length of the TX buffer in the TXBD.

Why?

> ...But what is the TX buffer length before serial_console_setup has run(that's
> when KGB/XMON is active)?

Whatever the boot rom initializes.


	-- Dan


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