linux-kernel - [PATCH tip/core/rcu 0/5] Callback-overload update for v5.7

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Date:   Fri, 14 Feb 2020 16:18:16 -0800
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 0/5] Callback-overload update for v5.7

Hello!

This series contains updates to handling of callback-overload condiitons.

1.	Clear ->core_needs_qs at GP end or self-reported QS.

2.	React to callback overload by aggressively seeking quiescent
	states.

3.	React to callback overload by boosting RCU readers.

4.	Fix spelling mistake "leval" -> "level".

5.	Update __call_rcu() comments.

								Thanx, Paul

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

 Documentation/admin-guide/kernel-parameters.txt |    9 ++
 kernel/rcu/tree.c                               |   97 ++++++++++++++++++++----
 kernel/rcu/tree.h                               |    4 
 kernel/rcu/tree_plugin.h                        |    6 -
 4 files changed, 99 insertions(+), 17 deletions(-)