From nobody Wed Feb 11 05:40:59 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 BD3652DAFA9 for ; Mon, 9 Feb 2026 02:20:07 +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=1770603607; cv=none; b=ZMYxE1AYd9eJWnkQjxbkWGob9lmutw7Jur2CCA3/p4G/XX/DPFQb4mCZBn2oa8ys3vhp0+qa/2yk1z/WdEfedWDktiHGoYOUSwkSLBnAEjceYOoCmpBLulXff+yF0WaGGZ2CtMJwlfxiwp8jFKDaOGwKJjode0U9yRj5SdMP7Ug= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770603607; c=relaxed/simple; bh=A0mk7oGtNvIZopDwfm6Bwp2uQhi2hrR1Ie3nN5yg274=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=pgGZqhG0S0qIl62iFs4mWGVy0B+xyrIiJmDwrSrGK7QZvixP79JnwG1vrwtc2Q3SGAXGlSy0Z8q7JGgr8iqCiNK8dJuIYC2vOqgZ+s9idk2Q8F4X2D9tbHbiaNJRS2Qhz4RoTNdLYNEFnsFK44lQO7xPKp+CIid/y4yn9oBv/sQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=q2JDcTx1; 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="q2JDcTx1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 93539C19425; Mon, 9 Feb 2026 02:20:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770603607; bh=A0mk7oGtNvIZopDwfm6Bwp2uQhi2hrR1Ie3nN5yg274=; h=Date:From:To:Cc:Subject:References:From; b=q2JDcTx1r9bxbITzu68XZ0H0EyC8mMJ8UxE/MCQtRu/uQ9Jng4K2Zx35QxV3CmwU2 JQ4GWqMTJAhRH+06w3HXIrW5ZlvERbVy8uAG7Sx2iYrVQ+7PdKSpM3tMdtPZNu0lqQ 0t2xnIkYBqNTwP11yZjbEfJedJMJ4fXpNxTsGp2zs6GTxKbkSozWh9U/TYjesMthmm rg0uVjWhY6NQ8pqbIOxXpv9RETuPjZyvVnY4m62FjSedgugmgjsSGCBCbZHWzyJ8za Ql+iEdYThlb/skR2KZpBV0orZOWfF++0bbr/QVLJuFiFAMsNTXYrnb6jEYRYoZtdlU tt3LfZJ6lmi9w== Received: from rostedt by gandalf with local (Exim 4.99.1) (envelope-from ) id 1vpGtS-0000000Aa5r-0fSR; Sun, 08 Feb 2026 21:20:54 -0500 Message-ID: <20260209022054.014681150@kernel.org> User-Agent: quilt/0.68 Date: Sun, 08 Feb 2026 21:20:38 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton Subject: [for-next][PATCH 12/20] tracing: Make printk_trace global for tracing system References: <20260209022026.627895421@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. Cc: Masami Hiramatsu Cc: Mark Rutland Cc: Mathieu Desnoyers Cc: Andrew Morton Link: https://patch.msgid.link/20260208032450.144525891@kernel.org 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 a515b5241391..4a73822e2603 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 605ee23f3262..921e4daa2825 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -482,6 +482,8 @@ 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