netdev - Re: [PATCH v8 bpf-next 01/13] selftests/bpf: Fix resolve

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Message-ID: <20200729200657.GP1319041@krava>
Date:   Wed, 29 Jul 2020 22:06:57 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Andrii Nakryiko <andrii.nakryiko@...il.com>
Cc:     Jiri Olsa <jolsa@...nel.org>, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andriin@...com>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Martin KaFai Lau <kafai@...com>,
        David Miller <davem@...hat.com>,
        John Fastabend <john.fastabend@...il.com>,
        Wenbo Zhang <ethercflow@...il.com>,
        KP Singh <kpsingh@...omium.org>,
        Brendan Gregg <bgregg@...flix.com>,
        Florent Revest <revest@...omium.org>,
        Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH v8 bpf-next 01/13] selftests/bpf: Fix resolve_btfids test

On Tue, Jul 28, 2020 at 01:27:49PM -0700, Andrii Nakryiko wrote:
> On Wed, Jul 22, 2020 at 2:13 PM Jiri Olsa <jolsa@...nel.org> wrote:
> >
> > The linux/btf_ids.h header is now using CONFIG_DEBUG_INFO_BTF
> > config, so we need to have it defined when it's available.
> >
> > Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> > ---
> 
> sure, why not

actually after rebase I realized Yonghong added
CONFIG_DEBUG_INFO_BTF define in:
  d8dfe5bfe856 ("tools/bpf: Sync btf_ids.h to tools")

I think including 'autoconf.h' is more clean,
on the other hand I don't think we'd get clean
selftest compile without CONFIG_DEBUG_INFO_BTF

should we keep the #define instead?

thanks,
jirka

> 
> Acked-by: Andrii Nakryiko <andriin@...com>
> 
> >  tools/testing/selftests/bpf/prog_tests/resolve_btfids.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/tools/testing/selftests/bpf/prog_tests/resolve_btfids.c b/tools/testing/selftests/bpf/prog_tests/resolve_btfids.c
> > index 3b127cab4864..101785b49f7e 100644
> > --- a/tools/testing/selftests/bpf/prog_tests/resolve_btfids.c
> > +++ b/tools/testing/selftests/bpf/prog_tests/resolve_btfids.c
> > @@ -1,5 +1,6 @@
> >  // SPDX-License-Identifier: GPL-2.0
> >
> > +#include "autoconf.h"
> >  #include <linux/err.h>
> >  #include <string.h>
> >  #include <bpf/btf.h>
> > --
> > 2.25.4
> >
>