Re: [PATCH 2/2] powerpc/vdso32: link vdso64 with linker

[Christophe Leroy]

Hi,

Le 02/09/2020 à 16:14, Segher Boessenkool a écrit :
> Hi!
>
> On Wed, Sep 02, 2020 at 06:46:45AM +0000, Christophe Leroy wrote:
> > ld crashes:
> >
> >    LD      arch/powerpc/kernel/vdso32/vdso32.so.dbg
> > /bin/sh: line 1: 23780 Segmentation fault      (core dumped)
> > ppc-linux-ld -EB -m elf32ppc -shared -soname linux-vdso32.so.1
> > --eh-frame-hdr --orphan-handling=warn -T
> > arch/powerpc/kernel/vdso32/vdso32.lds
> > arch/powerpc/kernel/vdso32/sigtramp.o
> > arch/powerpc/kernel/vdso32/gettimeofday.o
> > arch/powerpc/kernel/vdso32/datapage.o
> > arch/powerpc/kernel/vdso32/cacheflush.o
> > arch/powerpc/kernel/vdso32/note.o arch/powerpc/kernel/vdso32/getcpu.o -o
> > arch/powerpc/kernel/vdso32/vdso32.so.dbg
> > make[4]: *** [arch/powerpc/kernel/vdso32/vdso32.so.dbg] Error 139
> >
> >
> > [root@localhost linux-powerpc]# ppc-linux-ld --version
> > GNU ld (GNU Binutils) 2.26.20160125
>
> [ Don't build as root :-P ]
>
> Try with a newer ld?  If it still happens with current versions, please
> open a bug report?  https://sourceware.org/bugzilla

Yes it works with 2.30 and 2.34
But minimum for building kernel is supposed to be 2.23

Christophe