From nobody Sun Feb 8 01:45:16 2026 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 815581E2888; Wed, 7 Aug 2024 10:51:44 +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=1723027906; cv=none; b=R/xAEe3Xz5kQJTqWB0WRBJqk2U3Hyy+Gi6p8Ub1xyxVf7cj5oml/5s6jf0NyWhqesY8Qeas2iHIqe3Irs7B+Q2iv+GaddLGpmi3/ROHRa5cw0DMO/czDlfLkbSSYIsanFhFjo5c9FLQjwU92UXBsIj+ek3l9kvlCgkiXRzt0fis= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723027906; c=relaxed/simple; bh=c/PdH/QxJLbBhZd1X/61Nc8goWfJM6IJezUv/oKyHMw=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=jSZxZqHwmZmafHNTZEg29Ir65JgJ7gfzssijkGIo3YV010ezs1GCgOdgfuvwArXeYQFjHvCCtEmRcDiWsCE6Mihmh7n+0f/Q9eqbg86y3Ud877K1qfJamh1iLfMERNh6BpdihWJxwWOwpLzf3OjbeolXD0SpuFwl7YRg/J29l/w= 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=hHuqdBBy; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=RYkKr+Uk; 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="hHuqdBBy"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="RYkKr+Uk" Date: Wed, 07 Aug 2024 10:51:36 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1723027897; 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=Z/U/5DR/mP7HM4ElHHK/lrkbbx25rjwrSOO0N+egN6I=; b=hHuqdBByTAgBN1bM8G2z593EKXecrQo9ZdPqohRO9nw+BAGMl40DZ9Yd5YOLuB0bPvkT40 1oIVC8WJk9aYZCNOFqXDNp28R/EBLO6TXX98b1c4jCtkyL7XOy43mavbTUYCwHBhjR5C4l irhps1kCCVZdOC3n/qP5K6iw3WruPlwtLZmbrge5qb0oh35mthY698frD7Zr/pZPmaseT6 +BUxapBMbqcCcFKUlQ/7E5uG8v1tyEqQwtxNdKhdwnv6Ol3xk9Fdf5p60NYvgJjFdZ4gia 742qyUDsJIu8TALI5YVjNVy8Z3tO/sn3ZaH6xXtkSuK3SfPgznR8DZYIdZvROg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1723027897; 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=Z/U/5DR/mP7HM4ElHHK/lrkbbx25rjwrSOO0N+egN6I=; b=RYkKr+UkqcPfnoXT6nl3vGIh0BmUu2vTQOAldUXYsZh+u0tdzzrPm4QJVY4Ii7oJyn03Cj OM5b7r/zCrNQiYCw== From: "tip-bot2 for James Clark" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: perf/core] perf/x86/intel/bts: Fix comment about default perf_event_paranoid setting Cc: James Clark , "Peter Zijlstra (Intel)" , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20240802105256.335961-1-james.clark@linaro.org> References: <20240802105256.335961-1-james.clark@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <172302789647.2215.14933930438196226723.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: ea1992f36b894fe60cc3537a7f6a7af4087b999a Gitweb: https://git.kernel.org/tip/ea1992f36b894fe60cc3537a7f6a7af40= 87b999a Author: James Clark AuthorDate: Fri, 02 Aug 2024 11:52:55 +01:00 Committer: Peter Zijlstra CommitterDate: Mon, 05 Aug 2024 16:54:47 +02:00 perf/x86/intel/bts: Fix comment about default perf_event_paranoid setting The default paranoid setting was updated in commit 0161028b7c8a ("perf/core: Change the default paranoia level to 2") so this comment is no longer true. Signed-off-by: James Clark Signed-off-by: Peter Zijlstra (Intel) Link: https://lkml.kernel.org/r/20240802105256.335961-1-james.clark@linaro.= org --- arch/x86/events/intel/bts.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c index 974e917..8f78b0c 100644 --- a/arch/x86/events/intel/bts.c +++ b/arch/x86/events/intel/bts.c @@ -557,9 +557,6 @@ static int bts_event_init(struct perf_event *event) * disabled, so disallow intel_bts driver for unprivileged * users on paranoid systems since it provides trace data * to the user in a zero-copy fashion. - * - * Note that the default paranoia setting permits unprivileged - * users to profile the kernel. */ if (event->attr.exclude_kernel) { ret =3D perf_allow_kernel(&event->attr);