linux-kernel - [tip: perf/core] perf/x86/intel/bts: Fix comment about default perf_event

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Message-ID: <172302789647.2215.14933930438196226723.tip-bot2@tip-bot2>
Date: Wed, 07 Aug 2024 10:51:36 -0000
From: "tip-bot2 for James Clark" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: James Clark <james.clark@...aro.org>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: perf/core] perf/x86/intel/bts: Fix comment about default
 perf_event_paranoid setting

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     ea1992f36b894fe60cc3537a7f6a7af4087b999a
Gitweb:        https://git.kernel.org/tip/ea1992f36b894fe60cc3537a7f6a7af4087b999a
Author:        James Clark <james.clark@...aro.org>
AuthorDate:    Fri, 02 Aug 2024 11:52:55 +01:00
Committer:     Peter Zijlstra <peterz@...radead.org>
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 <james.clark@...aro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
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 = perf_allow_kernel(&event->attr);