netdev - Re: linux-next: Tree for Mar 5 (bpf

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Message-ID: <CAADnVQ+K4Vc2_=tB7COFFBy3uswike-TERoSF=1=GdnWFDUutQ@mail.gmail.com>
Date:   Thu, 5 Mar 2020 09:38:42 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     KP Singh <kpsingh@...omium.org>
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>
Subject: Re: linux-next: Tree for Mar 5 (bpf_trace)

On Thu, Mar 5, 2020 at 9:32 AM KP Singh <kpsingh@...omium.org> wrote:
>
> This fails as we added bpf_test_run_tracing in net/bpf/test_run.c
> which gets built only CONFIG_NET is enabled. Which, this particular
> config, disables.
>
> Alexei, if it's okay with you. I can send a patch that separates the
> tracing test code into kernel/bpf/test_run_trace.c which depends
> only on CONFIG_BPF_SYSCALL.

In such situation we typically add __weak dummy call.
May be split will work too.
or move tracing_prog_ops to kernel/bpf/core.c ?