On Thu, Nov 23, 2006 at 09:59:33AM -0600, James Bottomley wrote: > On Thu, 2006-11-23 at 15:03 +0000, Ralf Baechle wrote: > > dma_is_consistent() is ill-designed in that it does not have a struct device > > argument which makes proper support for systems that consist of a mix of > > coherent and non-coherent DMA devices hard. > > At the time the interface was designed, the general consensus was that > it was easier to recognise incoherent memory regions by their address > range than by which device they came from. The main proponent of this > being arm, if I remember rightly. I don't remember that being particularly discussed, and it seems that no one has implemented it (but possibly implemented their own stuff in arch private code.) -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
