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. -Hollis - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/