On Tue, Mar 21 2006, Jeff Garzik wrote: > Jens Axboe wrote: > >My explanation was for the block layer part of course, I'm hoping (did > >not check) that the iommu has similar sane defaults. > > Part of the problem is that the iommu doesn't know as much as the block > layer. Right, this is what needs fixing. > >But this still really wants a unification of the dma restrictions... > > Strongly agreed. ISTR JamesB had some concrete thoughts in that > direction, but they never made it beyond an IRC channel and/or a few > emails. The pci dev already holds the dma address, we could add dma boundary and dma segment size as well? -- Jens Axboe - : send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
