> Bad things happen if one tries to include asm/io.h from userspace.
> The attachement is an ugly "fix" for the worst.
> BTW I'm doing this only to get the outb macro, maybe I should
> put my own outb macro into my sources?
>
> NOTE: linux/vmalloc.h is included from asm-i386/io.h
If you care about portability between systems that use Intel style
peripherals and therefore ports you should best use /dev/port.
asm/io.h is a kernel header file that especially on Intel works
fine for user stuff; even just including it might be a bad idea
on another architecture than Intel.
Ralf