> Well the other alternative looks like having a second file per par > bar. Say resource0_wc to support the write-combining mode, possibly The intention was to support memory not in bars, but give a generic IOMMU mapped memory interface for user space e.g. for the X server. But that needs a way to return the bus address for the mmap mapping and ioctl was the best I came up with for that. Given it was never finished. -Andi -- 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/
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