From nobody Mon May 25 07:55:40 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 0E25935A3A9; Tue, 19 May 2026 08:16:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779178598; cv=none; b=pf/S1N3Ou9nK8w1wBqgTdjGHq+QEN/q16VomqXBnHwJCLP17g3RzG+K6qOAG+Zil3DLGLeipA9DTl7/oi3ohyHWet/cm1NV0y8YNgBmusxDFNfw0T+BE+u+D+8IKQ3yo+x+AdvF25mc3c+1CxnSs3SbPRTbjGX2oBt3prSh8X4g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779178598; c=relaxed/simple; bh=LbiDu1XQ/bPZB9yMhI47PTrhSvkskvRL+2WVn/5x5tI=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=P9KlKZOacdIW+zmwymmfH0TRCvSQ+iy1bIqYL9X+BGU0hZMbIWaElrzCZqZ0jmsemIJf1rwnRuzpDrs3tVrJRjuQHogIVPJn/ahF0X+JPwXZbyv6zl3YaQSWh0n0ee2ryyVUeJsVAH3Ovx6Vba305SmdDW+jbeYhNRKJSDyS5Zo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 09d63cec535b11f1aa26b74ffac11d73-20260519 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:8506e2dc-76c9-492d-b00f-1791d6268cbe,IP:0,U RL:0,TC:0,Content:0,EDM:-20,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-20 X-CID-META: VersionHash:e7bac3a,CLOUDID:761895192d4c9428a15f4c4b9656ad32,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:102|850|865|898,TC:nil,Content:0|15|16|5 0,EDM:1,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,O SA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 09d63cec535b11f1aa26b74ffac11d73-20260519 Received: from localhost [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 1848596145; Tue, 19 May 2026 16:16:29 +0800 From: Yu Peng To: Steven Rostedt , Masami Hiramatsu Cc: Mathieu Desnoyers , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Yu Peng Subject: [PATCH] tracing/branch: Use pr_warn() instead of printk(KERN_WARNING) Date: Tue, 19 May 2026 16:16:20 +0800 Message-Id: <20260519081620.3874441-1-pengyu@kylinos.cn> X-Mailer: git-send-email 2.25.1 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" Use pr_warn() instead of printk(KERN_WARNING ...) for the branch tracer warning messages. Keep the message text unchanged. The change only removes the open-coded log level from these warnings. Signed-off-by: Yu Peng kernel/trace/trace_branch.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c index d1564db95a8f5..d8e97ad798f07 100644 --- a/kernel/trace/trace_branch.c +++ b/kernel/trace/trace_branch.c @@ -181,8 +181,7 @@ __init static int init_branch_tracer(void) =20 ret =3D register_trace_event(&trace_branch_event); if (!ret) { - printk(KERN_WARNING "Warning: could not register " - "branch events\n"); + pr_warn("Warning: could not register branch events\n"); return 1; } return register_tracer(&branch_trace); @@ -374,8 +373,7 @@ __init static int init_annotated_branch_stats(void) =20 ret =3D register_stat_tracer(&annotated_branch_stats); if (ret) { - printk(KERN_WARNING "Warning: could not register " - "annotated branches stats\n"); + pr_warn("Warning: could not register annotated branches stats\n"); return ret; } return 0; @@ -439,8 +437,7 @@ __init static int all_annotated_branch_stats(void) =20 ret =3D register_stat_tracer(&all_branch_stats); if (ret) { - printk(KERN_WARNING "Warning: could not register " - "all branches stats\n"); + pr_warn("Warning: could not register all branches stats\n"); return ret; } return 0; --=20 2.43.0