On Tue, Dec 19, 2017 at 11:12:04AM +0100, Arnd Bergmann wrote:
> CONFIG_BPF_KPROBE_OVERRIDE causes a link failure when CONFIG_KPROBE_EVENTS
> is disabled:
>
> kernel/trace/bpf_trace.o: In function `bpf_override_return':
> (.text+0x172): undefined reference to `bpf_kprobe_override'
>
> This adds it to the list of dependencies.
>
> Fixes: 9802d86585db ("bpf: add a bpf_override_function helper")
> Signed-off-by: Arnd Bergmann <[email protected]>
lgtm.
Could you please resubmit it to netdev targeting bpf-next tree?
Thanks!
> ---
> kernel/trace/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
> index ace4547b7564..0d83668652ef 100644
> --- a/kernel/trace/Kconfig
> +++ b/kernel/trace/Kconfig
> @@ -534,6 +534,7 @@ config FUNCTION_PROFILER
> config BPF_KPROBE_OVERRIDE
> bool "Enable BPF programs to override a kprobed function"
> depends on BPF_EVENTS
> + depends on KPROBE_EVENTS
> depends on KPROBES_ON_FTRACE
> depends on HAVE_KPROBE_OVERRIDE
> depends on DYNAMIC_FTRACE_WITH_REGS
> --
> 2.9.0
>
