On Fri, Dec 25, 2015 at 07:45:41PM +0100, Mickaël Salaün wrote: > > On 25/12/2015 02:34, Josh Triplett wrote: > > On Thu, Dec 24, 2015 at 01:12:11PM +0100, Mickaël Salaün wrote: > >> Fix build error by generating elfcore.o only when ELF_CORE (depending on > >> COREDUMP) is selected: > >> > >> arch/x86/um/built-in.o: In function `elf_core_write_extra_phdrs': > >> (.text+0x3e62): undefined reference to `dump_emit' > >> arch/x86/um/built-in.o: In function `elf_core_write_extra_data': > >> (.text+0x3eef): undefined reference to `dump_emit' > >> > >> Fixes: 5d2acfc7b974 ("kconfig: make allnoconfig disable options behind > >> EMBEDDED and EXPERT") > >> Signed-off-by: Mickaël Salaün <m...@digikod.net> > >> Cc: Jeff Dike <jd...@addtoit.com> > >> Cc: Richard Weinberger <rich...@nod.at> > >> Cc: Josh Triplett <j...@joshtriplett.org> > >> Cc: Paul E. McKenney <paul...@linux.vnet.ibm.com> > >> Cc: Michal Marek <mma...@suse.cz> > >> Cc: Andrew Morton <a...@linux-foundation.org> > >> Cc: Linus Torvalds <torva...@linux-foundation.org> > > > > It looks like ELF_CORE depends on COREDUMP, but not on BINFMT_ELF. > > Should it? What happens if you build this with ELF_CORE=y and > > BINFMT_ELF=n? Does that configuration even make sense? > > It build fine with ELF_CORE=y and BINFMT_ELF=n but does not seem > useful. Nevertheless, it's the same for all architectures (cf. > init/Kconfig): ELF_CORE only depends on COREDUMP.
As long as that builds, then this patch doesn't introduce an un-buildable Kconfig configuration, so it seems reasonable. Thanks again for producing a new version. Reviewed-by: Josh Triplett <j...@joshtriplett.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/