On Sun, 2006-05-21 at 16:59 +0100, David Woodhouse wrote: > It doesn't matter for kernel addresses on CPUs like SH and MIPS, > because > it's just a mask anyway. There's a 1:1 mapping from virtual<->physical > addresses, and all you have to do to get a physical address is mask > out > the top bits.
I still think it matters from the point of view of logical correctness ... you shouldn't be calling virt_to_bus() on an already physical address, even if the operation happens to be idempotent on the architecture. James - To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
