From nobody Thu Nov 28 13:49:42 2024 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 28E5219ABC3; Tue, 1 Oct 2024 21:42:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727818937; cv=none; b=qLP9MS16OLjqfkoOBKKXZoAdU6AXj41K42LwI3jN7icL0Dp9upyM8htmWqaISKR1keUPoubmpjP49kvuGMIYLPFiZIDWeqW9OGWrmwyARZTId1uXBAd8/iqgdH0+GICkgpqcC6ij/nch0+8m0pUhiHmuqIuwftb2VW30MMmHSJw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727818937; c=relaxed/simple; bh=NtNIDtWfmMqbA9v2UdDV5yx1WdIZnZBe0SGFt9K5j3c=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=C35m2fUegg3BGWO6uFtK30m1dROnz7OpJ+Gw602XwpKCFuRTFoY9O8GcI2x2JG9DYI/DcNsAc1PvK8JRddy13/Z8lM8pYzUuZfYd/Nn3kayO9GyMQFL01hVLfN/mbvKIuJhMWLDg1WjZTyO2ghtpKmkZ3Cp4dzK+4S24XJNehPQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6AD8C4CECF; Tue, 1 Oct 2024 21:42:16 +0000 (UTC) Received: from rostedt by gandalf with local (Exim 4.98) (envelope-from ) id 1svkeB-00000004csc-0LzK; Tue, 01 Oct 2024 17:43:07 -0400 Message-ID: <20241001214306.944809736@goodmis.org> User-Agent: quilt/0.68 Date: Tue, 01 Oct 2024 17:42:42 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , stable@vger.kernel.org Subject: [for-next][PATCH 1/5] tracing: Fix function timing profiler to initialize hashtable References: <20241001214241.688116616@goodmis.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: "Masami Hiramatsu (Google)" Since the new fgraph requires to initialize fgraph_ops.ops.func_hash before calling register_ftrace_graph(), initialize it with default (tracing all functions) parameter. Cc: stable@vger.kernel.org Fixes: 5fccc7552ccb ("ftrace: Add subops logic to allow one ops to manage m= any") Signed-off-by: Masami Hiramatsu (Google) Signed-off-by: Steven Rostedt (Google) --- kernel/trace/ftrace.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 4c28dd177ca6..d2dd71d04b8a 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -883,6 +883,10 @@ static void profile_graph_return(struct ftrace_graph_r= et *trace, } =20 static struct fgraph_ops fprofiler_ops =3D { + .ops =3D { + .flags =3D FTRACE_OPS_FL_INITIALIZED, + INIT_OPS_HASH(fprofiler_ops.ops) + }, .entryfunc =3D &profile_graph_entry, .retfunc =3D &profile_graph_return, }; --=20 2.45.2