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Date: Mon, 17 Jun 2019 08:26:29 -0700 From: Alexei Starovoitov <alexei.starovoitov@...il.com> To: Arnd Bergmann <arnd@...db.de> Cc: Steven Rostedt <rostedt@...dmis.org>, Ingo Molnar <mingo@...hat.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andriin@...com>, Yonghong Song <yhs@...com>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Matt Mullins <mmullins@...com>, Network Development <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] bpf: hide do_bpf_send_signal when unused On Mon, Jun 17, 2019 at 5:59 AM Arnd Bergmann <arnd@...db.de> wrote: > > When CONFIG_MODULES is disabled, this function is never called: > > kernel/trace/bpf_trace.c:581:13: error: 'do_bpf_send_signal' defined but not used [-Werror=unused-function] hmm. it should work just fine without modules. the bug is somewhere else.
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