Re: arm-linux-gnueabi-ld: warning: orphan section `__cpuidle_method_of_table' from `arch/arm/mach-omap2/pm33xx-core.o' being placed in section `__cpuidle_method_of_table'

[Kees Cook <keescook@chromium.org>]

On Wed, Apr 07, 2021 at 11:28:08AM -0700, Nick Desaulniers wrote:
> On Wed, Apr 7, 2021 at 11:23 AM Arnd Bergmann <arnd@arndb.de> wrote:
> >
> > On Wed, Apr 7, 2021 at 8:07 PM Nick Desaulniers <ndesaulniers@google.com> wrote:
> > >
> > > On Wed, Apr 7, 2021 at 3:52 AM kernel test robot <lkp@intel.com> wrote:
> > > >
> > > > Hi Kees,
> > > >
> > > > FYI, the error/warning still remains.
> > > >
> > > > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > > > head:   2d743660786ec51f5c1fefd5782bbdee7b227db0
> > > > commit: 5a17850e251a55bba6d65aefbfeacfa9888cd2cd arm/build: Warn on orphan section placement
> > > > date:   7 months ago
> > > > config: arm-randconfig-r033-20210407 (attached as .config)
> > > > compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
> > > > reproduce (this is a W=1 build):
> > > >         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> > > >         chmod +x ~/bin/make.cross
> > > >         # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5a17850e251a55bba6d65aefbfeacfa9888cd2cd
> > > >         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> > > >         git fetch --no-tags linus master
> > > >         git checkout 5a17850e251a55bba6d65aefbfeacfa9888cd2cd
> > > >         # save the attached .config to linux build tree
> > > >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
> > > >
> > > > If you fix the issue, kindly add following tag as appropriate
> > > > Reported-by: kernel test robot <lkp@intel.com>
> > > >
> > > > All warnings (new ones prefixed by >>):
> > > >
> > > > >> arm-linux-gnueabi-ld: warning: orphan section `__cpuidle_method_of_table' from `arch/arm/mach-omap2/pm33xx-core.o' being placed in section `__cpuidle_method_of_table'
> > > > >> arm-linux-gnueabi-ld: warning: orphan section `__cpuidle_method_of_table' from `arch/arm/mach-omap2/pm33xx-core.o' being placed in section `__cpuidle_method_of_table'
> > > > >> arm-linux-gnueabi-ld: warning: orphan section `__cpuidle_method_of_table' from `arch/arm/mach-omap2/pm33xx-core.o' being placed in section `__cpuidle_method_of_table'
> > >
> > > Looks like arch/arm/include/asm/cpuidle.h defines
> > > `CPUIDLE_METHOD_OF_DECLARE` to create a static struct in such a
> > > section.  Only arch/arm/mach-omap2/pm33xx-core.c uses that macro.
> >
> > Nick, Kees,
> >
> > Should I resend my patch, or are you taking care of it?
> >
> > https://lore.kernel.org/lkml/20201230155506.1085689-1-arnd@kernel.org/T/#u
> 
> Your patch looks like it has multiple reviewed-by tags, so it should
> be ready to be submitted/merged? Waiting on anything else?

Yeah, that looks ready to go. Does that go via SoC tree or arm32 tree?

-- 
Kees Cook

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