On Monday 12 November 2007 16:20:01 Muli Ben-Yehuda wrote: > On Wed, Nov 07, 2007 at 04:21:04PM +0200, Amit Shah wrote: > > We make the dma_mapping_ops structure to point to our structure so > > that every DMA access goes through us. (This is the reason this only > > works for 64-bit guest. 32-bit guest doesn't yet have a dma_ops > > struct.) > > I need the same facility for Calgary for falling back to swiotlb if a > translation is disabled on some slot, and IB needs the same facility > for some IB adapters (e.g., ipath). Perhaps it's time to consider > stackable dma-ops (unless someone has a better idea...).
That would make great sense and simplify implementations. How do you propose such an implementation? An array of function pointers for each possible call? > > Cheers, > Muli Amit. - 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/
