Hi Christoph, On Mon, Mar 16, 2020 at 01:48:50PM +0100, Christoph Hellwig wrote: > On Fri, Mar 13, 2020 at 05:00:07PM -0700, Nicolin Chen wrote: > > @@ -736,7 +736,7 @@ static inline unsigned long dma_get_seg_boundary(struct > > device *dev) > > { > > if (dev->dma_parms && dev->dma_parms->segment_boundary_mask) > > return dev->dma_parms->segment_boundary_mask; > > - return DMA_BIT_MASK(32); > > + return (unsigned long)dma_get_mask(dev); > > Just thinking out loud after my reply - shouldn't we just return ULONG_MAX > by default here to mark this as no limit?
Yea, ULONG_MAX (saying no limit) sounds good to me. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu