linux-kernel - [PATCH tip/core/rcu 0/3] RCU stall-warning updates for v5.8

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Message-ID: <20200415172341.GA9519@paulmck-ThinkPad-P72>
Date:   Wed, 15 Apr 2020 10:23:41 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com, mingo@...nel.org,
        jiangshanlai@...il.com, dipankar@...ibm.com,
        akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
        josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
        rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
        fweisbec@...il.com, oleg@...hat.com, joel@...lfernandes.org
Subject: [PATCH tip/core/rcu 0/3] RCU stall-warning updates for v5.8

Hello!

This series provides a few updates to RCU CPU stall-warning messages.

1.	Use data_race() for RCU expedited CPU stall-warning prints.

2.	When GP kthread is starved, tag idle threads as false positives.
	After all, it is not the idle threads' fault that the GP
	kthread hasn't reported their extended quiescent states!

3.	Remove self-stack-trace when all quiescent states seen.

							Thanx, Paul

------------------------------------------------------------------------

 tree_exp.h   |    8 ++++----
 tree_stall.h |   26 +++++++++++++++++++-------
 2 files changed, 23 insertions(+), 11 deletions(-)