linux-kernel - Re: [PATCH] sparc: vdso: fix build error of vdso32

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Date:   Fri, 18 Oct 2019 11:27:42 +0300
From:   Anatoly Pugachev <matorola@...il.com>
To:     sparclinux <sparclinux@...r.kernel.org>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "ndesaulniers@...gle.com" <ndesaulniers@...gle.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Subject: Re: [PATCH] sparc: vdso: fix build error of vdso32

On Fri, Sep 27, 2019 at 6:47 PM Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
>
> On Sun, Sep 22, 2019 at 8:36 PM Masahiro Yamada
> <yamada.masahiro@...ionext.com> wrote:
> >
> > Since commit 54b8ae66ae1a ("kbuild: change *FLAGS_<basetarget>.o to
> > take the path relative to $(obj)"), sparc allmodconfig fails to build
> > as follows:
> >
> >   CC      arch/sparc/vdso/vdso32/vclock_gettime.o
> > unrecognized e_machine 18 arch/sparc/vdso/vdso32/vclock_gettime.o
> > arch/sparc/vdso/vdso32/vclock_gettime.o: failed
> >
> > The cause of the breakage is that -pg flag not being dropped.
> >
> > The vdso32 files are located in the vdso32/ subdirectory, but I missed
> > to update the Makefile.
> >
> > Fixes: 54b8ae66ae1a ("kbuild: change *FLAGS_<basetarget>.o to take the path relative to $(obj)")
> > Reported-by: Anatoly Pugachev <matorola@...il.com>
> > Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> > ---
> >
>
>
> I am copy-pasting Tested-by from the reporter:
>
> Tested-by: Anatoly Pugachev <matorola@...il.com>
>
> It was given here:
>
> https://lkml.org/lkml/2019/9/25/197
>
>
>
>
> >  arch/sparc/vdso/Makefile | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile
> > index 324a23947585..399bc22b1cf8 100644
> > --- a/arch/sparc/vdso/Makefile
> > +++ b/arch/sparc/vdso/Makefile
> > @@ -67,12 +67,14 @@ $(vobjs): KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS) $(SPARC_REG_CFLAGS
> >  #
> >  CFLAGS_REMOVE_vdso-note.o = -pg
> >  CFLAGS_REMOVE_vclock_gettime.o = -pg
> > +CFLAGS_REMOVE_vdso32/vdso-note.o = -pg
> > +CFLAGS_REMOVE_vdso32/vclock_gettime.o = -pg
> >
> >  $(obj)/%.so: OBJCOPYFLAGS := -S
> >  $(obj)/%.so: $(obj)/%.so.dbg FORCE
> >         $(call if_changed,objcopy)
> >
> > -CPPFLAGS_vdso32.lds = $(CPPFLAGS_vdso.lds)
> > +CPPFLAGS_vdso32/vdso32.lds = $(CPPFLAGS_vdso.lds)
> >  VDSO_LDFLAGS_vdso32.lds = -m elf32_sparc -soname linux-gate.so.1
> >
> >  #This makes sure the $(obj) subdirectory exists even though vdso32/


Hello!

Can someone please pull/apply this to master ?!

Thanks!