Re: [RFC/PATCH] x86: Early-boot serial I/O support

[Pekka Enberg]

H. Peter Anvin wrote:
> > +
> > +    while ((inb(early_serial_base + LSR)&  XMTRDY) == 0&&  --timeout)
> > +        ;
> > +
>
> cpu_relax(); here, probably.

Fixed.
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