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SubjectRe: [PATCH 2/2] x86, powerpc: remove -funit-at-a-time compiler option entirely
x86 maintainers,

Ping.



On Mon, Nov 12, 2018 at 8:23 PM Michael Ellerman <mpe@ellerman.id.au> wrote:
>
> Masahiro Yamada <yamada.masahiro@socionext.com> writes:
>
> > GCC 4.6 manual says:
> >
> > -funit-at-a-time
> > This option is left for compatibility reasons. -funit-at-a-time has
> > no effect, while -fno-unit-at-a-time implies -fno-toplevel-reorder
> > and -fno-section-anchors.
> > Enabled by default.
> >
> > Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> > ---
> >
> > arch/powerpc/Makefile | 4 ----
> > arch/x86/Makefile | 4 ----
> > arch/x86/Makefile.um | 5 -----
> > 3 files changed, 13 deletions(-)
> >
> > diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
> > index 8a2ce14..854199c 100644
> > --- a/arch/powerpc/Makefile
> > +++ b/arch/powerpc/Makefile
> > @@ -228,10 +228,6 @@ KBUILD_CFLAGS += $(call cc-option,-mno-vsx)
> > KBUILD_CFLAGS += $(call cc-option,-mno-spe)
> > KBUILD_CFLAGS += $(call cc-option,-mspe=no)
> >
> > -# Enable unit-at-a-time mode when possible. It shrinks the
> > -# kernel considerably.
> > -KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
> > -
>
> Thanks for cleaning it up.
>
> Acked-by: Michael Ellerman <mpe@ellerman.id.au>
>
> cheers



--
Best Regards
Masahiro Yamada

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