From: Jules Irenge <jbi.octave@gmail.com>
To: boqun.feng@gmail.com
Cc: dvhart@infradead.org, peterz@infradead.org, mingo@redhat.com,
acme@kernel.org, mark.rutland@arm.com,
alexander.shishkin@linux.intel.com, jolsa@redhat.com,
namhyung@kernel.org, linux-kernel@vger.kernel.org,
Jules Irenge <jbi.octave@gmail.com>
Subject: [PATCH 04/11] perf/ring_buffer: Add missing annotation to perf_output_end()
Date: Sun, 9 Feb 2020 22:33:20 +0000 [thread overview]
Message-ID: <fb329344d8dbf825c344c6fd655dbc988b5704af.1581282103.git.jbi.octave@gmail.com> (raw)
In-Reply-To: <cover.1581282103.git.jbi.octave@gmail.com>
Sparse reports a warning at perf_output_end()
warning: context imbalance in perf_output_end() - unexpected unlock
The root cause is a missing annotation for perf_output_end()
Add the missing __releases(RCU) annotation
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
kernel/events/ring_buffer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
index 7ffd5c763f93..c09edc49a4fc 100644
--- a/kernel/events/ring_buffer.c
+++ b/kernel/events/ring_buffer.c
@@ -294,7 +294,7 @@ unsigned int perf_output_skip(struct perf_output_handle *handle,
return __output_skip(handle, NULL, len);
}
-void perf_output_end(struct perf_output_handle *handle)
+void perf_output_end(struct perf_output_handle *handle) __releases(RCU)
{
perf_output_put_handle(handle);
rcu_read_unlock();
--
2.24.1
next prev parent reply other threads:[~2020-02-09 22:33 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <0/11>
2020-02-09 22:24 ` [PATCH 00/11] Lock warning cleanup Jules Irenge
2020-02-09 22:27 ` [PATCH 01/11] hrtimer: Add missing annotation to lock_hrtimer_base() Jules Irenge
2020-02-09 22:29 ` [PATCH 02/11] futex: Add missing annotation for wake_futex_pi() Jules Irenge
2020-02-09 22:30 ` [PATCH 03/11] futex: Add missing annotation for fixup_pi_state_owner() Jules Irenge
2020-02-09 22:33 ` Jules Irenge [this message]
2020-02-09 22:37 ` [PATCH 05/11] sched/fair: Add missing annotation for nohz_newidle_balance() Jules Irenge
2020-02-09 22:39 ` [PATCH 06/11] sched/deadline: Add missing annotation for dl_task_offline_migration() Jules Irenge
2020-02-10 8:07 ` Juri Lelli
2020-02-09 22:44 ` [PATCH 07/11] fs_pin: Add missing annotation for pin_kill() declaration Jules Irenge
2020-02-09 22:45 ` [PATCH 08/11] fs_pin: Add missing annotation for pin_kill() definition Jules Irenge
2020-02-09 22:48 ` [PATCH 09/11] kasan: add missing annotation for start_report() Jules Irenge
2020-02-10 7:27 ` Dmitry Vyukov
2020-02-09 22:49 ` [PATCH 10/11] kasan: add missing annotation for end_report() Jules Irenge
2020-02-10 7:27 ` Dmitry Vyukov
2020-02-09 22:50 ` [PATCH 11/11] futex: Add missing annotation for futex_wait_queue_me() Jules Irenge
2020-02-10 5:06 ` [PATCH 00/11] Lock warning cleanup Boqun Feng
2020-02-10 23:09 ` Jules Irenge
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