Messages in this thread | | | Date | Mon, 12 May 2014 11:28:58 -0400 | From | Konrad Rzeszutek Wilk <> | Subject | Re: [PATCH 0/2] dma,x86,xen: fix dma_get_required_mask() when dma != phys address |
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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 <konrad.wilk@oracle.com>
And with the *SWIOTLB maintainer hat on - you can add that tag as well.
Thanks! > > David >
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