David Hawkins wrote: > Can you give me an example of non-PCI memory that would be > non-prefetchable that you'd like us to try? We can see if our > host CPUs have an area like that ... we just need to know > what device to look for first :)
Hmmmm.... I was going to say any SOC device in the IMMR, but I don't see anything there that would constitute a memory buffer. I test this change on an 8610 and DMA to a register I/O, where this bit isn't even defined, and it made no difference. So I guess this change is okay. Acked-by: Timur Tabi <ti...@freescale.com> -- Timur Tabi Linux kernel developer at Freescale _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev