Christophe LEROY <christophe.le...@c-s.fr> writes: > Le 13/04/2017 à 13:31, Michael Ellerman a écrit : >> Christophe LEROY <christophe.le...@c-s.fr> writes: >>> Le 17/11/2016 à 13:03, Michael Ellerman a écrit : >>>> On Fri, 2016-27-05 at 05:48:59 UTC, Rashmica Gupta wrote: >>>>> Useful to be able to dump the kernels page tables to check permissions >>>>> and memory types - derived from arm64's implementation. >>>>> >>>>> Add a debugfs file to check the page tables. To use this the PPC_PTDUMP >>>>> config option must be selected. >>>>> >>>>> Signed-off-by: Rashmica Gupta <rashm...@gmail.com> >>>> >>>> Applied to powerpc next, thanks. >>>> >>>> https://git.kernel.org/powerpc/c/8eb07b187000d48152c4ef97f075bd >>> >>> For your information, compilation fails on mpc885_ads_defconfig when we >>> activate PPC_PTDUMP: >>> >>> CC arch/powerpc/mm/dump_linuxpagetables.o >>> arch/powerpc/mm/dump_linuxpagetables.c: In function 'walk_pagetables': >>> arch/powerpc/mm/dump_linuxpagetables.c:369:10: error: 'KERN_VIRT_START' >>> undeclared (first use in this function) >> >> Yeah it's basically 64-bit only at the moment. >> >> I have a TODO for it: https://github.com/linuxppc/linux/issues/88 >> >> But I haven't got around to doing it, maybe someone who has more >> interest in 32-bit will have time before me ;) > > Well, I just did it a few minutes ago.
It's like magic! :) cheers