Re: Intel P6 vs P7 system call performance

Pavel Machek
2002-12-19T22:06:13Z

Hi!

> > Are you serious about moving of the banging we currently do on 0x80?
> > If so, I have a P4 development board with leds to monitor all the lower io
> > ports and can decode for you.
>
> Different thing - int 0x80 syscall not i/o port 80. I've done I/O port
> 80 (its very easy), but requires we set up some udelay constants with an
> initial safety value right at boot (which we should do - we udelay
> before it is initialised)

Actually that would be nice -- I have leds on 0x80 too ;-).
Pavel
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