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SubjectRe: [PATCH] x86: provide a DMI based port 0x80 I/O delay override
> fact even io_delay=udelay would be wrong because any problem will be 
> less clearly triggerable and thus less bisectable/debuggable.

And if this eats someones disk because you drive the hardware out of spec
you are going to sit there and tell them to bisect it ? Lovely.

Ingo - put the christmas wine away and have a coffee. Now think first.
You won't bisect obscure timing triggered problems, and the _p users are
almost all for hardware where performance doesn't matter one iota (eg

This isn't even all down to the chipset internal logic - several of my
boxes have external CMOS NVRAM/RTC chips which are probably the same
design (if a little smaller) as ten years ago.

io_delay = none is exactly the same thing as CPU overclocking. Hard to
debug, unpredictable and stupid.


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