On Friday, January 21, 2005 8:35 am, Vojtech Pavlik wrote: > No. But vacant ports usually return 0xff. The problem here is that 0xff > is a valid value for the status register, too. Fortunately this patch > checks for 0xff only after the timeout failed.
On PCs you'll get all 1s, but on some ia64 platforms and others, you'll take a hard machine check exception if you try to access non-existent memory (mmio, port space, or otherwise). Jesse - 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/