From nobody Sat Jul 25 15:52:32 2026 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 0C9F52475F7 for ; Thu, 16 Jul 2026 13:15:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784207756; cv=none; b=WG74SWiuaYoRuJ/x+XHO1lGhFFAi6eVD/MF9LhtUbhFlenPOryy202MvN7YOMZKYB89Phi2XnzGlySeeDMpTsEYo+x8s8GGHV8oTsM/IwSzXf6TslUmNzeam6t4O/BtQWjYT8EKd/vzea8NvQqnsIO7ckOdtZhLZs0c/W6K6D0A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784207756; c=relaxed/simple; bh=gOT3MuXhmmDaCdsYwkspavKbnXI2Ou2Gi5nDhVqR52M=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=YaNfTD7cCKQZ6ltTyAwqB4HKbXy4wLwhXPGXZMO9ooK3/mDOwkMFUkUszZHrq/J5n3Ht/uJK3FjCJkSGUxvBEbZAgcqFFKPPbwB+hJXvSpB0Ax+W7tGi6JDuRPZ3Q5rAkTHPtA/uznPsE+rlzN+TIQsrAIdAgTuvAIG+dRpdBbY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=CPR0xbTq; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=C46BKDXV; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="CPR0xbTq"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="C46BKDXV" Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 66GBipXl2355523 for ; Thu, 16 Jul 2026 13:15:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:date:from:message-id:mime-version :subject:to; s=qcppdkim1; bh=XnQtHEhuzthj//QHyutL22JKvv4JKRo9o6q 1sSR+o/k=; b=CPR0xbTq7M5/HsMRCNVUWzZ9kTEmc2ZHqHNytUSwgwSHQPRSBQE eHvuwPySenx1KIr8Chfw+IanpxlOPkwMnFmdfhOcBkFkqfdumo6cPlECvCtaJN1o mHzpVmfm9WJ7jXGhMbkWVCK4yaBVGfNfkhCcBJ+CN15TSRyHumtq03skIXwhtBop aG2OOyuMvNvVvMdiutqKlUdNexl+HmOo3HLFrSWAHVUfK2nfzK36THTtOQIZWSz8 Bn6CyMSR/yGH78e2tDCe+YwzWJ4SPt7QrGNHxKI6w6s5wVPcyu1gp7RHOu/xdstK iED3ZrHfwSmFviWo1GWLUcS+iUKW8ZiVpIA== Received: from mail-pj1-f70.google.com (mail-pj1-f70.google.com [209.85.216.70]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4fed064h2y-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Thu, 16 Jul 2026 13:15:54 +0000 (GMT) Received: by mail-pj1-f70.google.com with SMTP id 98e67ed59e1d1-38e25e4b41cso2459359a91.0 for ; Thu, 16 Jul 2026 06:15:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1784207754; x=1784812554; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=XnQtHEhuzthj//QHyutL22JKvv4JKRo9o6q1sSR+o/k=; b=C46BKDXVCqkBjFv4zah0XJ7nO7NmOqapyJ6lpF4CtrB8BwBZGVMzMSqYRwzxaLYHif ldcFZLCJctOA0McZbD2MrQhBz1Z3nKctCVf7apCD838YT/y4jzKVwO4/wdTENq32jPUp 2BVvg2NEybOL1uoREVaj02xsitAk7BC3kHZMpL4FPZLGAOrpuWfWp9xeBpzbQZwBT1JO 1HaEhLWCc4mEnqA/KXRZpdXAQL6W+inClhDYvRbYtTbjdLMaVd0geSFTb2Z+2++kSk2/ p9uKzMAtTTsxMcTYSlvDxQTCnfrATvdfrK4S/74juGR0X3wuvUsLFawttbJGKfo3e2KC FeUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784207754; x=1784812554; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=XnQtHEhuzthj//QHyutL22JKvv4JKRo9o6q1sSR+o/k=; b=LUA1pJp9GZZk6fOLA2OcthyAI2Sn2yUr88AmnzcoX5EJ3YFOQ1pkN9mkzGJyjP/ZW6 m+S6veocY0aiudslvzuS0MpcVnQZhdRg/+Iu0fY39NghOr/p9x4iT2ImSav93stH2Iq2 i30ZKu/bYMANvu+rpW0JfeAhEzQzzp6XaRSgZkufht0QPe5jVe75oMvkf7+nXgzQCz8V JLQwETw6cHfcXgT12LlJVfNYvNnNBW+/UoOGT8IodjZBBTXA6j5ArG5u7LgB6PHuaFJZ tOW18Ug9z8k+UIsc8kGxUpVK1NGPZicOIqPS4BgNXSNyjExBiq0xXAFZAbreNUgZncUC 8iGw== X-Forwarded-Encrypted: i=1; AHgh+RpoJkscK1gaAOWeizCphC/3YLU0wr6GoffzMZtS6mis5Y8novhEBmDGo0xHh6NVfF0KDzXQ95W4xVJ8LmE=@vger.kernel.org X-Gm-Message-State: AOJu0YwAfdt22/+qcrJWfriLxXemwCjiwt5VEe4mG4Ziz2Oj1AbojuI5 hFmXtvmpLcxCfQcY92PYZmQe51GsiwiTN4hDEyx4ScB9edIf16EuJh//p688zU1bExLMDba7t5a SuDjef1nenTdF+qCWAt+4djOBrsTnxWbFtkVB9DWDIsuTnBuAPBCJo78RjpST6IakEn8= X-Gm-Gg: AfdE7ckj/q5GHtkyvTPNgr09/JeJWxSENR/mX19ew8YpjOH2B1EPnvIpgCGAEIpTmqi 8X8XY5POpQOeezc5G1rNR/ADRRRPmshW1D5iW2pXMEe5H2V4X7hAV1bBXQ4xBljDdNbVioEfbrz e1u93DkLSeJ6Nu+siiH73MSJLhqM44+rjZzv9w/5l26il1cKzUr+sj7VFdBy5eT2JMPDCpi/Kpa 3bhyk/ows73JOH+DX41R/qn6tz7m93Stga5yb5V0L54lNKJvsfehVtyW2yc918NBBoZp4vXqk8Q AvUW/0UruwR5bjB7rQ/d8Q+F8Qv1HIYG9cythg4gv+77RMuHWFYuaF+atkykubUhH54yJBXO+VX EM1/KfZdp8iiI1qabu6LkiZCEBzNg1Ig5irm1nVu4cAR22WYrNNaNwEj2jeBDDSOH5GA= X-Received: by 2002:a17:90b:4c02:b0:36a:c4b:76cf with SMTP id 98e67ed59e1d1-38e2a0c346bmr5764774a91.23.1784207753546; Thu, 16 Jul 2026 06:15:53 -0700 (PDT) X-Received: by 2002:a17:90b:4c02:b0:36a:c4b:76cf with SMTP id 98e67ed59e1d1-38e2a0c346bmr5764739a91.23.1784207753069; Thu, 16 Jul 2026 06:15:53 -0700 (PDT) Received: from zhonhan-gv.qualcomm.com (tpe-colo-wan-fw-bordernet.qualcomm.com. [103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-38e39e4ac51sm1284008a91.12.2026.07.16.06.15.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Jul 2026 06:15:52 -0700 (PDT) From: Zhongqiu Han To: rafael@kernel.org, viresh.kumar@linaro.org, mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com, kprateek.nayak@amd.com, christian.loehle@arm.com, liaochang1@huawei.com Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, zhongqiu.han@oss.qualcomm.com Subject: [PATCH] cpufreq: schedutil: Replace sprintf() with sysfs_emit() in sysfs show Date: Thu, 16 Jul 2026 21:15:46 +0800 Message-ID: <20260716131546.1159644-1-zhongqiu.han@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 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 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE2MDEzNiBTYWx0ZWRfX0+bH6EIOfKut BU5pzz0aTYjwN7KlnhLq+20zCdB3rui7bnDrv1pLPGC7CmywJtjWAYX1XbAqs6e3Nuo2jIVpoCF +opWy8aW3jazdtvTUS9Vbe1AWxCmCGU= X-Proofpoint-GUID: XjrFso0UTJr40_lllRx_zQMc5gOmyq6g X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE2MDEzNiBTYWx0ZWRfX3gjuVWqrSrR/ ToEIt6Nn3lShpwdFlKFUG1H3lq7v2KM4L2Nt76jUU4lki+Lr5QCiZjXPe635PTP4kJ3JAzLN9k9 WXJg/ApWU6JlLKEM9n+SG83ULhuFsmHVY+1k6ib0VB6z1GNoHH5TwxYVSiUeOcNqQ1pzr5D491I gRB/eNjxVSto8+91LUGzuyIEeFmFSuGmUUscAmDWguzx+RX8jvt4JUdBCAtxcmLf/V9PvZrmyIm O42O4yKphFtztyHwpvazuG2wi5vZkeduSRUX2nIYbIhM7eJfbhSZXp8rSOkhfERp0F88S1hyWWk 1ruSYVF2fUZRLnmi3uqw0d7xO5A+mVQtYzXasyO1ugBVRjKxiTBfBegdLdXy5pxh57qjSMxOTlF 5agNqYdsc/zoNWKSvoOf7uhgGTwxekRZfmWbnQ4TgqksqnpKvSLmqE3Vi2V3eabE4ZnP6OQYMP2 UWwlqOTVPP9vR9ZAWmg== X-Authority-Analysis: v=2.4 cv=Xb25Co55 c=1 sm=1 tr=0 ts=6a58d98a cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=kMfCKS_JZJ-YtVc-sdcA:9 a=zgiPjhLxNE0A:10 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-ORIG-GUID: XjrFso0UTJr40_lllRx_zQMc5gOmyq6g X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-16_04,2026-07-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 impostorscore=0 malwarescore=0 adultscore=0 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607160136 Content-Type: text/plain; charset="utf-8" Use sysfs_emit() instead of sprintf() in rate_limit_us_show(). sysfs_emit() is the preferred API for sysfs output as it provides PAGE_SIZE bounds checking and ensures proper sysfs formatting. No functional change intended. Signed-off-by: Zhongqiu Han --- kernel/sched/cpufreq_schedutil.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedu= til.c index dc0835ceee98..96651873345e 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -592,7 +592,7 @@ static ssize_t rate_limit_us_show(struct gov_attr_set *= attr_set, char *buf) { struct sugov_tunables *tunables =3D to_sugov_tunables(attr_set); =20 - return sprintf(buf, "%u\n", tunables->rate_limit_us); + return sysfs_emit(buf, "%u\n", tunables->rate_limit_us); } =20 static ssize_t --=20 2.43.0