From nobody Sat Feb 7 23:23:42 2026 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 B2D773382DA; Fri, 6 Feb 2026 19:58:56 +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=1770407936; cv=none; b=nopS7Vw9Gz7id0W2VA0XaqDfeDSb+YW4RlUDnWFrPoCAHULS4GxaYMBr/vQsPEzOV5Ei0ofRN+W4NwmX6erKeOapYm2zt4oqtXuBeD9wlaNqdyXHt/o7Hv/M63zcyqDasJwW3QuWZBe5E0FFPYu9rRIYfK1iT+UP0ddMCZGTyeU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770407936; c=relaxed/simple; bh=s29KvyR1cTcgp9eIV9JmO39WhdYvRZ0cDxzveXQC3lw=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=Hj+vt5Zi/ygcoX6rOyxOawKHtPbJMQqqJAHEfUJvE+a5n5rEYLs8ZG9VrhCsetkFcdekNkCJQqtql54t0qRfL4manWyqWSTb1gDXuXYeZn+57bk+LJIeQL9s08HkDuULMkoqBUCX2LHmw67N3l4fQXeDb1RhtSmkLlREGrT43RQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EdY+g/6P; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EdY+g/6P" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92F63C116C6; Fri, 6 Feb 2026 19:58:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770407936; bh=s29KvyR1cTcgp9eIV9JmO39WhdYvRZ0cDxzveXQC3lw=; h=Date:From:To:Cc:Subject:References:From; b=EdY+g/6PzFU6A6qmAUCcnFS+VXEGVjxoAtZW8fMP9g+lVe97I/LIpzndhPDhStjiY x7o7y/1ic74t2bT5NWbbp/4W7ePF6Q8KtBHmWKogt03v5Fcdm1SoNffJo/sbDYvWRm dH/NoeNsZlDdTZu2vz65/y4kbM+Ym+KTR/h5/5HPmOjIsOydbNupeTRAMu49y1cXbo JJyV4enGt/9GWH27S51e/O89zWgJbu+HnmW24U02uVgU33NMZMVS7wQGOLseED1VaA JifoQuvnvf9KOJosFq2OAfG443f+kwy4+IDoV1aEDs4k3qH+Jme0Qros49p5Yme8cW sxOpfv03xI89Q== Received: from rostedt by gandalf with local (Exim 4.99.1) (envelope-from ) id 1voRzL-0000000A6oE-3EiB; Fri, 06 Feb 2026 14:59:35 -0500 Message-ID: <20260206195935.625485805@kernel.org> User-Agent: quilt/0.68 Date: Fri, 06 Feb 2026 14:37:46 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton Subject: [PATCH 05/12] tracing: Make printk_trace global for tracing system References: <20260206193741.767171392@kernel.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: Steven Rostedt The printk_trace is used to determine which trace_array trace_printk() writes to. By making it a global variable among the tracing subsystem it will allow the trace_printk functions to be moved out of trace.c and still have direct access to that variable. Signed-off-by: Steven Rostedt (Google) --- kernel/trace/trace.c | 2 +- kernel/trace/trace.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 061c154c0618..1170fcf686a6 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -534,7 +534,7 @@ static struct trace_array global_trace =3D { .trace_flags =3D TRACE_DEFAULT_FLAGS, }; =20 -static struct trace_array *printk_trace =3D &global_trace; +struct trace_array *printk_trace =3D &global_trace; =20 /* List of trace_arrays interested in the top level trace_marker */ static LIST_HEAD(marker_copies); diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 63260595ac8f..73a2ab195114 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -487,6 +487,8 @@ extern bool trace_clock_in_ns(struct trace_array *tr); =20 extern unsigned long trace_adjust_address(struct trace_array *tr, unsigned= long addr); =20 +extern struct trace_array *printk_trace; + /* * The global tracer (top) should be the first trace array added, * but we check the flag anyway. --=20 2.51.0