On Oct 7, 2007, at 4:05 PM, Benjamin Herrenschmidt wrote: > >> Can you explain (a) further -- I'm assuming the BAT mapping is 1:1 >> for that region? >> >> For (b) it looks like: >> * 40x, 44x, fsl-booke compare against TASK_SIZE in their software >> handlers. >> * 8xx still tests 0x80000000 >> * 6xx (603) compares against KERNELBASE >> >> It would seem like we should set the default on 8xx & PReP to >> 0x80000000 and not allow it to be modified since that will break the >> world and for everything else move it to match KERNELBASE. Any >> issues with that? > > The proper value is neither :-) > > It should be compared against PAGE_OFFSET.
I'll work up a patch to switch us to testing PAGE_OFFSET instead. - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev