From: Frederic Weisbecker <frederic@kernel.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Frederic Weisbecker <frederic@kernel.org>,
Boqun Feng <boqun.feng@gmail.com>,
Joel Fernandes <joel@joelfernandes.org>,
Neeraj Upadhyay <neeraj.upadhyay@amd.com>,
Uladzislau Rezki <urezki@gmail.com>,
Zqiang <qiang.zhang1211@gmail.com>, rcu <rcu@vger.kernel.org>,
"Paul E . McKenney" <paulmck@kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: [PATCH 0/2] rcu/tasks: Fix stale task snapshot
Date: Fri, 17 May 2024 17:23:01 +0200 [thread overview]
Message-ID: <20240517152303.19689-1-frederic@kernel.org> (raw)
Fix an issue on RCU task trace pre-gp that might collect stale current
tasks on online CPUs, missing the read side of latest context switching
tasks.
Frederic Weisbecker (2):
rcu/tasks: Fix stale task snaphot from TASK-TRACE
rcu/tasks: Further comment ordering around current task snapshot on
TASK-TRACE
kernel/rcu/tasks.h | 17 +++++++++++++++++
kernel/sched/core.c | 14 +++++++-------
2 files changed, 24 insertions(+), 7 deletions(-)
--
2.44.0
next reply other threads:[~2024-05-17 15:23 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-17 15:23 Frederic Weisbecker [this message]
2024-05-17 15:23 ` [PATCH 1/2] rcu/tasks: Fix stale task snaphot from TASK-TRACE Frederic Weisbecker
2024-05-17 23:30 ` Paul E. McKenney
2024-05-17 15:23 ` [PATCH 2/2] rcu/tasks: Further comment ordering around current task snapshot on TASK-TRACE Frederic Weisbecker
2024-05-20 18:48 ` Paul E. McKenney
2024-05-20 20:41 ` Frederic Weisbecker
2024-05-20 23:25 ` Paul E. McKenney
2024-05-21 9:59 ` Frederic Weisbecker
2024-05-21 13:38 ` Paul E. McKenney
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