[PATCH] Re: RFC: IOMMU bypass

2005-07-19 Thread Stephen Rothwell
Hi again, On Fri, 15 Jul 2005 13:09:33 +1000 Stephen Rothwell <[EMAIL PROTECTED]> wrote: > > We (Anton Blanchard and others) have been trying to figure out the best > (or any) way to allow for IOMMU bypass when setting up DMA mappings on > particular devices. Our current idea is to hang a structu

RFC: IOMMU bypass

2005-07-14 Thread Stephen Rothwell
Hi all, We (Anton Blanchard and others) have been trying to figure out the best (or any) way to allow for IOMMU bypass when setting up DMA mappings on particular devices. Our current idea is to hang a structure of pointers to DMA mapping operations off the struct device and inherit it from the de