From: Jules Irenge <jbi.octave@gmail.com>
To: bokun.feng@gmail.com
Cc: 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] kernel: events: add releases() notation
Date: Mon, 16 Dec 2019 00:24:00 +0000 [thread overview]
Message-ID: <20191216002400.89985-1-jbi.octave@gmail.com> (raw)
Add releases() notation to remove issue detected by sparse
context imbalance in perf_output_end() - unexpected unlock
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
kernel/events/ring_buffer.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
index 7ffd5c763f93..c8ad63f9faa5 100644
--- a/kernel/events/ring_buffer.c
+++ b/kernel/events/ring_buffer.c
@@ -295,6 +295,7 @@ unsigned int perf_output_skip(struct perf_output_handle *handle,
}
void perf_output_end(struct perf_output_handle *handle)
+ __releases()
{
perf_output_put_handle(handle);
rcu_read_unlock();
--
2.23.0
next reply other threads:[~2019-12-16 0:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-16 0:24 Jules Irenge [this message]
2019-12-16 8:31 ` Peter Zijlstra
2019-12-16 13:37 ` Jules Irenge
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