Re: [PATCH v2 06/11] MIPS: mark __fls() as __always_inline

[Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>]

On Sat, Apr 20, 2019 at 12:45 AM Mathieu Malaterre <malat@xxxxxxxxxx> wrote:
>
> Hi,
>
> On Fri, Apr 19, 2019 at 12:06 PM Masahiro Yamada
> <yamada.masahiro@xxxxxxxxxxxxx> wrote:
> >
> > This prepares to move CONFIG_OPTIMIZE_INLINING from x86 to a common
> > place. We need to eliminate potential issues beforehand.
> >
> > If it is enabled for mips, the following errors are reported:
> >
> > arch/mips/mm/sc-mips.o: In function `mips_sc_prefetch_enable.part.2':
> > sc-mips.c:(.text+0x98): undefined reference to `mips_gcr_base'
> > sc-mips.c:(.text+0x9c): undefined reference to `mips_gcr_base'
> > sc-mips.c:(.text+0xbc): undefined reference to `mips_gcr_base'
> > sc-mips.c:(.text+0xc8): undefined reference to `mips_gcr_base'
> > sc-mips.c:(.text+0xdc): undefined reference to `mips_gcr_base'
> > arch/mips/mm/sc-mips.o:sc-mips.c:(.text.unlikely+0x44): more undefined references to `mips_gcr_base'
>
> Tested with success on ppc32/G4. But on CI20 (ci20_defconfig from
> master), I get:


Thanks for the test!

OK, I saw this error for ci20_defconfig.

I inline'd __ffs() to fix it
and sumitted v3.

Thank you.



>   MODPOST vmlinux.o
> mipsel-linux-gnu-ld: arch/mips/kernel/traps.o: in function
> `addr_gcr_err_control':
> /home/mathieu/tmp/linux/linux/ci20/../arch/mips/include/asm/mips-cm.h:169:
> undefined reference to `mips_gcr_base'
> mipsel-linux-gnu-ld:
> /home/mathieu/linux/linux/ci20/../arch/mips/include/asm/mips-cm.h:169:
> undefined reference to `mips_gcr_base'
> mipsel-linux-gnu-ld: arch/mips/mm/sc-mips.o: in function
> `addr_gcr_l2_pft_control':
> /home/mathieu/linux/linux/ci20/../arch/mips/include/asm/mips-cm.h:246:
> undefined reference to `mips_gcr_base'
> mipsel-linux-gnu-ld:
> /home/mathieu/linux/linux/ci20/../arch/mips/include/asm/mips-cm.h:246:
> undefined reference to `mips_gcr_base'
> mipsel-linux-gnu-ld:
> /home/mathieu/linux/linux/ci20/../arch/mips/include/asm/mips-cm.h:246:
> undefined reference to `mips_gcr_base'
> mipsel-linux-gnu-ld:
> arch/mips/mm/sc-mips.o:/home/mathieu/linux/linux/ci20/../arch/mips/include/asm/mips-cm.h:246:
> more undefined references to `mips_gcr_base' follow




-- 
Best Regards
Masahiro Yamada