Hollis Blanchard wrote: > On Sun, 2007-02-25 at 10:58 +0200, Avi Kivity wrote: > >> I'm changing the kvm userspace interface to be more friendly to other >> archs. One issue is the PIO port size. x86 uses 16 bits to hold the >> port size (64K ports). Is that an issue for other archs? >> >> I guess I could change it to __u32, but it's better to know what various >> architectures actually require. >> > > PowerPC doesn't have any such concept; access to ISA PIO is done by > having the bridge translate a particular range of MMIO accesses as PIO. > I'm no expert, but I don't know of any mainstream processor other than > x86 that supports PIO. > >
I think ia64 does, but it's probably exactly the same as x86. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ kvm-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/kvm-devel
