From nobody Wed Dec 17 17:27:06 2025 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 2D70A19E971; Sun, 16 Mar 2025 12:06:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742126790; cv=none; b=PjevEcmC9RJJJmw4pqWUhrCZQn05JSN9KaQj26ANQUzdKD66G5KLrk/ssWw1UQCWSKGuqyk7zHp91XNTwiMBJyCd5YbgvhVNPnhhWgM0SF1CcfBWUplwskirSo47WT2IQ35IFhKfD4u2MmOPdd2FJsAFlU9aA3IoWh+pcLCdzd0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742126790; c=relaxed/simple; bh=0JRQnEypsEBYBrLBpNDmer7L88pYWOaTFd5X3IG7JHY=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=YsYKAyMqRq5pN2OIUTfptlnz8NFikWMWUkixk8b0ccKABhXAa9J+dkTojv9OpMDB7l8IeArybowoE1znwS18F0CoQjE/pNIdjHXH1kWSebNg2394xGk7nCH1rpAHwox9XxHorgC7l9X8KQJ6wwMNlrmfj9aEGYtMqc6s2+tx0zg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=jyh/9KqN; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=LvHRzsjx; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="jyh/9KqN"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="LvHRzsjx" Date: Sun, 16 Mar 2025 12:06:23 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1742126787; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aHBkBFbyqhKExGSnG3I967hul0QxOts6+lxLyQSSeXk=; b=jyh/9KqNl1rTaSZ5ykD/6V0juJlPE42pOfBjwSAMBTxu5c/+G9S7DTpJ48TWaqP5x4EudT fCjzuYrlQu2ygKSM7d+kbf/+PazE52UuPwKfYFydssOWbjdD436m1OVXrnHsw555Rslz+R 5xbGf2Sf3JFOXR6olxZnmPYCrz2vzV47iYwYrdGWc+yby+oWLb1jcIMeBt+WP772OgQPkp 0ZIdWKqnYSF+f1dlQe8+NpUgu78Yd2gAmHL5Rfx25GeG05to6IfDqNQfVoBNAr0/ebhnqn nGEmh9pBRu7ecdzC/4m0ipJBlDcYMdz4F4srsWnRP3lukB81klYFiq81KAsd7g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1742126787; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aHBkBFbyqhKExGSnG3I967hul0QxOts6+lxLyQSSeXk=; b=LvHRzsjxsCSAgzHW+xT4VHzYp5BJS6LymQL11nBJIbV+nsiq+TSLWvT0WgP2c7AaTtP50J yzn32W3Xajkh/GDw== From: "tip-bot2 for XieLudan" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: perf/core] perf/core: Use sysfs_emit() instead of scnprintf() Cc: XieLudan , Ingo Molnar , Peter Zijlstra , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20250315141738452lXIH39UJAXlCmcATCzcBv@zte.com.cn> References: <20250315141738452lXIH39UJAXlCmcATCzcBv@zte.com.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <174212678355.14745.11221386085667623478.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The following commit has been merged into the perf/core branch of tip: Commit-ID: b6ecb57f1fec114cfa19b1bf06f25f904ca928f9 Gitweb: https://git.kernel.org/tip/b6ecb57f1fec114cfa19b1bf06f25f904= ca928f9 Author: XieLudan AuthorDate: Sat, 15 Mar 2025 14:17:38 +08:00 Committer: Ingo Molnar CommitterDate: Sun, 16 Mar 2025 12:38:27 +01:00 perf/core: Use sysfs_emit() instead of scnprintf() Follow the advice in Documentation/filesystems/sysfs.rst: "- show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space." No change in functionality intended. [ mingo: Updated the changelog ] Signed-off-by: XieLudan Signed-off-by: Ingo Molnar Cc: Peter Zijlstra Link: https://lore.kernel.org/r/20250315141738452lXIH39UJAXlCmcATCzcBv@zte.= com.cn --- kernel/events/core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index e7d0b05..2533fc3 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -11713,7 +11713,7 @@ static ssize_t nr_addr_filters_show(struct device *= dev, { struct pmu *pmu =3D dev_get_drvdata(dev); =20 - return scnprintf(page, PAGE_SIZE - 1, "%d\n", pmu->nr_addr_filters); + return sysfs_emit(page, "%d\n", pmu->nr_addr_filters); } DEVICE_ATTR_RO(nr_addr_filters); =20 @@ -11724,7 +11724,7 @@ type_show(struct device *dev, struct device_attribu= te *attr, char *page) { struct pmu *pmu =3D dev_get_drvdata(dev); =20 - return scnprintf(page, PAGE_SIZE - 1, "%d\n", pmu->type); + return sysfs_emit(page, "%d\n", pmu->type); } static DEVICE_ATTR_RO(type); =20 @@ -11735,7 +11735,7 @@ perf_event_mux_interval_ms_show(struct device *dev, { struct pmu *pmu =3D dev_get_drvdata(dev); =20 - return scnprintf(page, PAGE_SIZE - 1, "%d\n", pmu->hrtimer_interval_ms); + return sysfs_emit(page, "%d\n", pmu->hrtimer_interval_ms); } =20 static DEFINE_MUTEX(mux_interval_mutex);