From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7FEFD138A; Tue, 7 Nov 2023 03:07:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: by smtp.kernel.org (Postfix) with ESMTPSA id 36CABC433CB; Tue, 7 Nov 2023 03:07:33 +0000 (UTC) Date: Mon, 6 Nov 2023 22:07:35 -0500 From: Steven Rostedt To: "Masami Hiramatsu (Google)" Cc: Alexei Starovoitov , Florent Revest , linux-trace-kernel@vger.kernel.org, LKML , Martin KaFai Lau , bpf , Sven Schnelle , Alexei Starovoitov , Jiri Olsa , Arnaldo Carvalho de Melo , Daniel Borkmann , Alan Maguire , Mark Rutland , Peter Zijlstra , Thomas Gleixner , Guo Ren Subject: Re: [RFC PATCH 18/32] function_graph: Fix to initalize ftrace_ops for fgraph with ftrace_graph_func Message-ID: <20231106220735.5e218484@gandalf.local.home> In-Reply-To: <20231107104924.d992919b8277be36d6fa8455@kernel.org> References: <169920038849.482486.15796387219966662967.stgit@devnote2> <169920060974.482486.15664806338999944098.stgit@devnote2> <20231106190416.cbd04fdd5bb9cdff72563e64@kernel.org> <20231107104924.d992919b8277be36d6fa8455@kernel.org> X-Mailer: Claws Mail 3.19.1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 7 Nov 2023 10:49:24 +0900 Masami Hiramatsu (Google) wrote: > > I've changed this, because fprobe entry handler is not called via > > fgraph without this. But maybe I have to set correct gops->ops.func > > after init? > > I confirmed that this is right because it is introduced by > 0c0593b45c9b ("x86/ftrace: Make function graph use ftrace directly") > which replaces ftrace_stub with ftrace_graph_func (which automatically > switched by architecture) Agreed. -- Steve