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 1546A33A01E; Fri, 6 Feb 2026 19:58:57 +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=1770407937; cv=none; b=lsjggLYrJpaHmzPoM08zAW0jabV+Z81gkS7RmcKZyYwCf5CeO7zGEeiznllVDVMLFXH7l/8bOL8+8oHSD/qgMpiKFWFrhVzLu2rGoDzl6FAVRhxLeVjk+g1G+A+6R1xf3b54u1QNU7lBWnvIXijxfaSTq9xlXMXHcOCNQ1ZSqgw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770407937; c=relaxed/simple; bh=SYZ1Rq8DSyU94U+FTXKwm9x7vluarbRusnyLeVZ0CUY=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=LisjGLNbsw9/Wdo7slthkP8oWZbfIErpXrezrAPUacCvynWxfGLRvDtqVad/fRoRWLN1bCXAdf8Cu/kVzNo/U+5Sx8Zdq/H2yu31q4trvpIjzfzeP4Iosoyv/0LD4G2yjOClskrX6ZhUgN+baQUeH77aXA8oPuuv3z4q+I6GS6M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=q1T1D5vh; 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="q1T1D5vh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D8A7DC2BCB3; 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=SYZ1Rq8DSyU94U+FTXKwm9x7vluarbRusnyLeVZ0CUY=; h=Date:From:To:Cc:Subject:References:From; b=q1T1D5vh0Rv65qzVNnYrU9hbK4faB8CHLdRlemizd6XrVCWwRorCR8BaeOC06PWoY 3lrVSwv5F/VHc5VPIKO0PTdma6X2yxuOUmdO2hsNR8KU6QNAZdyHDruxgCL3KwmvaY mReUaovtbUkh/Ujzy2MGOc8wDyDhXMAjmmkio0Jz22z50FqBu9zxRbf0OvF864oc26 2QINTkkHB87DMgNXBWhDSzftyoibfy8bAbtwWt+DXd4GXWwm2pnlyeapChAX39fQMF Hvh0RJSPal7RBf3uYDtcrkN0vBKi7zQBJp2Bzl4ABwa338L5GDu0D505RZJA98Xgr4 WJQ8qfNfarD7A== Received: from rostedt by gandalf with local (Exim 4.99.1) (envelope-from ) id 1voRzM-0000000A6pC-0Pgu; Fri, 06 Feb 2026 14:59:36 -0500 Message-ID: <20260206195935.952012814@kernel.org> User-Agent: quilt/0.68 Date: Fri, 06 Feb 2026 14:37:48 -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 07/12] tracing: Have trace_printk functions use flags instead of using global_trace 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 trace.c file has become a dumping ground for all tracing code and has become quite large. In order to move the trace_printk functions out of it these functions can not access global_trace directly, as that is something that needs to stay static in trace.c. Instead of testing the trace_array tr pointer to &global_trace, test the tr->flags to see if TRACE_ARRAY_FL_GLOBAL set. Signed-off-by: Steven Rostedt (Google) --- kernel/trace/trace.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index a68948ac8bf9..db36d4aebc15 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1071,7 +1071,8 @@ int __trace_array_puts(struct trace_array *tr, unsign= ed long ip, if (!(tr->trace_flags & TRACE_ITER(PRINTK))) return 0; =20 - if (unlikely(tracing_selftest_running && tr =3D=3D &global_trace)) + if (unlikely(tracing_selftest_running && + (tr->flags & TRACE_ARRAY_FL_GLOBAL))) return 0; =20 if (unlikely(tracing_disabled)) @@ -3388,7 +3389,7 @@ int __trace_array_vprintk(struct trace_buffer *buffer, int trace_array_vprintk(struct trace_array *tr, unsigned long ip, const char *fmt, va_list args) { - if (tracing_selftest_running && tr =3D=3D &global_trace) + if (tracing_selftest_running && (tr->flags & TRACE_ARRAY_FL_GLOBAL)) return 0; =20 return __trace_array_vprintk(tr->array_buffer.buffer, ip, fmt, args); @@ -3424,7 +3425,7 @@ int trace_array_printk(struct trace_array *tr, return -ENOENT; =20 /* This is only allowed for created instances */ - if (tr =3D=3D &global_trace) + if (tr->flags & TRACE_ARRAY_FL_GLOBAL) return 0; =20 if (!(tr->trace_flags & TRACE_ITER(PRINTK))) @@ -3451,7 +3452,7 @@ int trace_array_init_printk(struct trace_array *tr) return -ENOENT; =20 /* This is only allowed for created instances */ - if (tr =3D=3D &global_trace) + if (tr->flags & TRACE_ARRAY_FL_GLOBAL) return -EINVAL; =20 return alloc_percpu_trace_buffer(); --=20 2.51.0