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@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20240802105256.335961-1-james.clark@linaro.org

diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c
index 974e917e65b24a89391468f28413531ea7721d60..8f78b0c900ef4be904d7bab4c46720400a4933dd 100644 (file)
--- 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);