[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] Revert "swiotlb: remove SWIOTLB_MAP_ERROR"
On Tue, Mar 05, 2019 at 09:41:46AM +0000, Julien Grall wrote: > On Xen, dma_addr_t will always be 64-bit while the phys_addr_t will depend > on the MMU type. So we may have phys_addr_t smaller than dma_addr_t from > the kernel point of view. How can dma_addr_t on arm have value > 32-bit when physical addresses are 32-bit only? _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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