On Sun, Jul 8, 2018 at 1:53 PM Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote: > > Randy Dunlap <rdunlap@xxxxxxxxxxxxx> 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). > > So we could have a 32-bit allmodconfig, but we'd need to chose one of > the above, and we'd still only be testing some of the code. > > Having said that you're the 2nd person to ask about this, so we should > clearly do something to make a 32-bit allmodconfig easier, even if it's > not perfect. > > cheers -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
