Re: [PATCH v5 0/3] Kbuild: DWARF v5 support

From: Arnaldo Carvalho de Melo
Date: Sun Jan 17 2021 - 15:16:04 EST


Em Fri, Jan 15, 2021 at 03:43:06PM -0800, Yonghong Song escreveu:
>
>
> On 1/15/21 3:34 PM, Nick Desaulniers wrote:
> > On Fri, Jan 15, 2021 at 3:24 PM Yonghong Song <yhs@xxxxxx> wrote:
> > >
> > >
> > >
> > > On 1/15/21 1:53 PM, Sedat Dilek wrote:
> > > > En plus, I encountered breakage with GCC v10.2.1 and LLVM=1 and
> > > > CONFIG_DEBUG_INFO_DWARF4.
> > > > So might be good to add a "depends on !DEBUG_INFO_BTF" in this combination.
> >
> > Can you privately send me your configs that repro? Maybe I can isolate
> > it to a set of configs?
> >
> > >
> > > I suggested not to add !DEBUG_INFO_BTF to CONFIG_DEBUG_INFO_DWARF4.
> > > It is not there before and adding this may suddenly break some users.
> > >
> > > If certain combination of gcc/llvm does not work for
> > > CONFIG_DEBUG_INFO_DWARF4 with pahole, this is a bug bpf community
> > > should fix.
> >
> > Is there a place I should report bugs?
>
> You can send bug report to Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>,
> dwarves@xxxxxxxxxxxxxxx and bpf@xxxxxxxxxxxxxxx.

I'm coming back from vacation, will try to read the messages and see if
I can fix this.

Thanks,

- Arnaldo

> >
> > >
> > > >
> > > > I had some other small nits commented in the single patches.
> > > >
> > > > As requested in your previous patch-series, feel free to add my:
> > > >
> > > > Tested-by: Sedat Dilek <sedat.dilek@xxxxxxxxx>
> >
> > Yeah, I'll keep it if v6 is just commit message changes.
> >

--

- Arnaldo