Marcelo Tosatti wrote: >>NO. Just leave that code alone. I don't understand why you think >>doing this will have any effect on the system operation. If you are >>able to run a system without creating these tables, then the pinned >>TLBs must be working. If pinned TLBs weren't working, the kernel >>would crash. > > > I just booted a kernel with 4kb PTE mappings at KERNELBASE and > the pinned TLB was not trashed. > > So, I was talking nonsense. :) > > The only problem are DMA users who dont use dma_alloc_coherent API. > > >
Perhaps I'm jumping in too late, but in my 8xx trees all my drivers use the correct API. So this will not be a problem after we fix the drivers :) Regards Pantelis