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Date: Wed, 13 Apr 2022 12:44:19 -0400 From: Steven Rostedt <rostedt@...dmis.org> To: Masami Hiramatsu <mhiramat@...nel.org> Cc: Andrii Nakryiko <andrii.nakryiko@...il.com>, Jiri Olsa <jolsa@...nel.org>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>, lkml <linux-kernel@...r.kernel.org>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...omium.org> Subject: Re: [RFC bpf-next 4/4] selftests/bpf: Add attach bench test On Tue, 12 Apr 2022 09:49:23 +0900 Masami Hiramatsu <mhiramat@...nel.org> wrote: > > I'm really curious how did you manage to attach to everything in > > available_filter_functions because when I'm trying to do that I fail. > > available_filter_functions has a bunch of functions that should not be > > attachable (e.g., notrace functions). Look just at __bpf_tramp_exit: > > > > void notrace __bpf_tramp_exit(struct bpf_tramp_image *tr); Did you only use the "notrace" on the prototype? I see the semicolon at the end of your comment. It only affects the actual function itself, not the prototype. -- Steve
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