linux-kernel - [PATCH RFC 0/8] rcu fixes, clean ups for rcu/dev

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Date:   Sun, 13 May 2018 20:15:33 -0700
From:   "Joel Fernandes (Google)" <joel@...lfernandes.org>
To:     linux-kernel@...r.kernel.org
Cc:     "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Josh Triplett <josh@...htriplett.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>, byungchul.park@....com,
        kernel-team@...roid.com
Subject: [PATCH RFC 0/8] rcu fixes, clean ups for rcu/dev

Hi,
Here are some fixes, clean ups and some code comments changes mostly
for the new funnel locking, gp_seq changes and some tracing. Its based
on latest rcu/dev branch.

thanks,

- Joel

Joel Fernandes (Google) (8):
  rcu: Add comment documenting how rcu_seq_snap works
  rcu: Clarify usage of cond_resched for tasks-RCU
  rcu: Add back the cpuend tracepoint
  rcu: Get rid of old c variable from places in tree RCU
  rcu: Use rcu_node as temporary variable in funnel locking loop
  rcu: Add back the Startedleaf tracepoint
  rcu: trace CleanupMore condition only if needed
  rcu: Fix cpustart tracepoint gp_seq number

 include/linux/rcupdate.h   | 11 +++--
 include/trace/events/rcu.h | 19 ++++----
 kernel/rcu/rcu.h           | 24 +++++++++-
 kernel/rcu/tree.c          | 92 +++++++++++++++++++++++---------------
 4 files changed, 97 insertions(+), 49 deletions(-)

-- 
2.17.0.441.gb46fe60e1d-goog