Re: Linux Post codes during runtime, possibly OT

[Mark Hahn]

>  #ifdef SLOW_IO_BY_JUMPING
>  #define __SLOW_DOWN_IO "\njmp 1f\n1:\tjmp 1f\n1:"
>  #else
> -#define __SLOW_DOWN_IO "\noutb %%al,$0x80"
> +#define __SLOW_DOWN_IO "\noutb %%al,$0x19"

this is nutty: why can't udelay be used here?  empirical measurements
in the thread show the delay is O(2us).

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