On Wed, Mar 16, 2005 at 11:48:29AM +0000, Keir Fraser wrote: > This patch cleans up AGP driver treatment of bus/device memory. Every > use of virt_to_phys/phys_to_virt should properly be converting between > virtual and bus addresses: this distinction really matters for the Xen > hypervisor.
It's bogus either way. You must never use virt_to_phys or virt_to_bus for bus address. For systems with an IOMMU there's no 1:1 mapping. - 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/
