linux-kernel - [PATCH 0/2] rcu/tasks: Fix stale task snapshot

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Message-ID: <20240517152303.19689-1-frederic@kernel.org>
Date: Fri, 17 May 2024 17:23:01 +0200
From: Frederic Weisbecker <frederic@...nel.org>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Frederic Weisbecker <frederic@...nel.org>,
	Boqun Feng <boqun.feng@...il.com>,
	Joel Fernandes <joel@...lfernandes.org>,
	Neeraj Upadhyay <neeraj.upadhyay@....com>,
	Uladzislau Rezki <urezki@...il.com>,
	Zqiang <qiang.zhang1211@...il.com>,
	rcu <rcu@...r.kernel.org>,
	"Paul E . McKenney" <paulmck@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH 0/2] rcu/tasks: Fix stale task snapshot

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