On Mon, May 12, 2014 at 11:15:40AM +0100, David Vrabel wrote: > x86 uses the generic dma_get_required_mask() which assumes that DMA > address == physical address. For Xen PV guests this is not the case > and certain drivers will cause excessive use of the SWIOTLB. > > Patch #1 is a straight forward refactoring of a common function. > > Patch #2 addes the required arch-specific implementation of > dma_get_required_mask() to x86.
David, Thank you for taking a look at that. If you would like, you can tack on Reviewed-by: Konrad Rzeszutek Wilk <[email protected]> And with the *SWIOTLB maintainer hat on - you can add that tag as well. Thanks! > > David > -- 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/

