On Tue, Mar 16, 2021 at 12:04 AM Mike Rapoport <rppt@xxxxxxxxxxxxx> wrote: > > On Tue, Mar 16, 2021 at 01:23:08AM +0800, kernel test robot wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > > head: 1e28eed17697bcf343c6743f0028cc3b5dd88bf0 > > commit: 34dc2efb39a231280fd6696a59bbe712bf3c5c4a memblock: fix section mismatch warning > > date: 2 days ago > > config: arm64-randconfig-r013-20210315 (attached as .config) > > compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a28facba1ccdc957f386b7753f4958307f1bfde8) > > 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 > > # install arm64 cross compiling tool for clang build > > # apt-get install binutils-aarch64-linux-gnu > > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34dc2efb39a231280fd6696a59bbe712bf3c5c4a > > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > > git fetch --no-tags linus master > > git checkout 34dc2efb39a231280fd6696a59bbe712bf3c5c4a > > # save the attached .config to linux build tree > > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 > > > > If you fix the issue, kindly add following tag as appropriate > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > > > All warnings (new ones prefixed by >>, old ones prefixed by <<): > > > > >> WARNING: modpost: vmlinux.o(.text+0x74fea4): Section mismatch in reference from the function memblock_find_in_range_node() to the function .init.text:memblock_bottom_up() > > The function memblock_find_in_range_node() references > > the function __init memblock_bottom_up(). > > This is often because memblock_find_in_range_node lacks a __init > > annotation or the annotation of memblock_bottom_up is wrong. > > I don't have clang-13 setup handy so I could not check, but I think this > should be the fix: Thanks for taking another look: https://lore.kernel.org/lkml/20210225205908.GM1447004@xxxxxxxxxx/ Do we want to switch the above to the below? > > diff --git a/include/linux/memblock.h b/include/linux/memblock.h > index d13e3cd938b4..5984fff3f175 100644 > --- a/include/linux/memblock.h > +++ b/include/linux/memblock.h > @@ -460,7 +460,7 @@ static inline void memblock_free_late(phys_addr_t base, phys_addr_t size) > /* > * Set the allocation direction to bottom-up or top-down. > */ > -static inline __init void memblock_set_bottom_up(bool enable) > +static inline __init_memblock void memblock_set_bottom_up(bool enable) > { > memblock.bottom_up = enable; > } > @@ -470,7 +470,7 @@ static inline __init void memblock_set_bottom_up(bool enable) > * if this is true, that said, memblock will allocate memory > * in bottom-up direction. > */ > -static inline __init bool memblock_bottom_up(void) > +static inline __init_memblock bool memblock_bottom_up(void) > { > return memblock.bottom_up; > } > > > -- > Sincerely yours, > Mike. > > -- > You received this message because you are subscribed to the Google Groups "Clang Built Linux" group. > To unsubscribe from this group and stop receiving emails from it, send an email to clang-built-linux+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/clang-built-linux/YFBYWjtWJrnGyiVp%40linux.ibm.com. -- Thanks, ~Nick Desaulniers
