On 07/13/2018 04:41 AM, Mathieu Malaterre wrote: > Randy, > > On Mon, Jul 9, 2018 at 2:00 PM Mathieu Malaterre <ma...@debian.org> wrote: >> >> On Sun, Jul 8, 2018 at 1:53 PM Michael Ellerman <m...@ellerman.id.au> wrote: >>> >>> Randy Dunlap <rdun...@infradead.org> writes: >>>> Hi, >>>> >>>> Is there a good way (or a shortcut) to do something like: >>> >>> The best I know of is: >>> >>>> $ make ARCH=powerpc O=PPC32 [other_options] allmodconfig >>>> to get a PPC32/32BIT allmodconfig >>> >>> $ echo CONFIG_PPC64=n > allmod.config >>> $ KCONFIG_ALLCONFIG=1 make allmodconfig >>> $ grep PPC32 .config >>> CONFIG_PPC32=y >>> >>> Which is still a bit clunky. >>> >>> >>> I looked at this a while back and the problem we have is that the 32-bit >>> kernel is not a single thing. There are multiple 32-bit platforms which >>> are mutually exclusive. >>> >>> eg, from menuconfig: >>> >>> - 512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx >>> - Freescale 85xx >>> - Freescale 8xx >>> - AMCC 40x >>> - AMCC 44x, 46x or 47x >>> - Freescale e200 >> >> Most Linux distro seems to have drop support for ppc32. So I'd suggest >> to pick Debian powperc default config (but I agree that I am a little >> biased here). > > I tried an allmode as suggest by Michael (above). But I get a build error: > > MODPOST vmlinux.o > drivers/android/binder.o: In function `binder_thread_write': > binder.c:(.text+0xc750): undefined reference to `__get_user_bad' > binder.c:(.text+0xc76c): undefined reference to `__get_user_bad' > binder.c:(.text+0xc790): undefined reference to `__get_user_bad' > binder.c:(.text+0xc7d4): undefined reference to `__get_user_bad' > binder.c:(.text+0xc7f4): undefined reference to `__get_user_bad' > > > So for now I need to do: CONFIG_ANDROID_BINDER_IPC=n > > How did you get passed this build failure ?
Hi, I am not seeing an error on that driver build. I am using gcc 8.1.0 from kernel.org: https://mirrors.edge.kernel.org/pub/tools/crosstool/ and building on x86_64. -- ~Randy