Re: [PATCH 1/2] VMware detection support for x86 and x86-64

Alan Cox
2008-09-25T08:46:49Z

> have a real device there (a sane one), what can IN result in apart from
> reading some IO register/counter value in eax ?
> If there is anything apart from the above 2 outcomes, please let me know
> exactly what you mean.

Changing the status of the device that is actually at the port, losing
IRQs, hanging the bus solid, causing data corruption (eg if you probe the
address of the data port of something like a disk doing a block transfer)

Alan