# Add akpm@xxxxxxxxxxxxxxxxxxxx and stable@xxxxxxxxxxxxxxx to CC. Hi, Geert. I was just creating a patch as your patch.... I noticed your patch by chance. I think your proposal is good. But Paul does not maintain the SH tree. Andrew, Could you pickup this patch ? Tested-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@xxxxxxxxxxx> Reviewed-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@xxxxxxxxxxx> Best regards, Nobuhiro 2013/5/29 Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>: > E.g. landisk_defconfig, which has CONFIG_NTFS_FS=m: > > ERROR: "__ashrdi3" [fs/ntfs/ntfs.ko] undefined! > > For "lib-y", if no symbols in a compilation unit are referenced by other > units, the compilation unit will not be included in vmlinux. > This breaks modules that do reference those symbols. > > Use "obj-y" instead to fix this. > > Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> > --- > http://kisskb.ellerman.id.au/kisskb/buildresult/8838077/ > > This doesn't fix all cases. There are others, e.g. udivsi3. > This is also not limited to sh, many architectures handle this in the same > way. > > A simple solution is to unconditionally include all helper functions. > A more complex solution is to make the choice of "lib-y" or "obj-y" depend > on CONFIG_MODULES: > obj-$(CONFIG_MODULES) += ... > lib-y($CONFIG_MODULES) += ... > > What do you think? > Thanks for your comments! > > arch/sh/lib/Makefile | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile > index 7b95f29..3baff31 100644 > --- a/arch/sh/lib/Makefile > +++ b/arch/sh/lib/Makefile > @@ -6,7 +6,7 @@ lib-y = delay.o memmove.o memchr.o \ > checksum.o strlen.o div64.o div64-generic.o > > # Extracted from libgcc > -lib-y += movmem.o ashldi3.o ashrdi3.o lshrdi3.o \ > +obj-y += movmem.o ashldi3.o ashrdi3.o lshrdi3.o \ > ashlsi3.o ashrsi3.o ashiftrt.o lshrsi3.o \ > udiv_qrnnd.o > > -- > 1.7.0.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-sh" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Nobuhiro Iwamatsu -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
