linux-kernel - [RFC PATCH 0/4] rcu: Expedited GP polling improvements

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Date:   Wed, 16 Mar 2022 15:42:51 +0100
From:   Frederic Weisbecker <frederic@...nel.org>
To:     "Paul E . McKenney" <paulmck@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Frederic Weisbecker <frederic@...nel.org>,
        Uladzislau Rezki <uladzislau.rezki@...y.com>,
        Boqun Feng <boqun.feng@...il.com>,
        Neeraj Upadhyay <quic_neeraju@...cinc.com>,
        Joel Fernandes <joel@...lfernandes.org>
Subject: [RFC PATCH 0/4] rcu: Expedited GP polling improvements

I initially wanted to shape that into the form of reviews or questions
but I thought I might as well send patches.

Be careful, it's fairly possible I misunderstood some things and those
patches are completely off the track.

At least TREE07 looks happy.

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
	rcu/dev

HEAD: dd1f68246e04fe03fde46cd55f1c87ea92a6c57e

Thanks,
	Frederic
---

Frederic Weisbecker (4):
      rcu: Remove needless polling work requeue for further waiter
      rcu: No need to reset the poll request flag before completion
      rcu: Perform early sequence fetch for polling locklessly
      rcu: Name internal polling flag


 kernel/rcu/rcu.h      |  5 +++++
 kernel/rcu/tree.c     |  2 +-
 kernel/rcu/tree_exp.h | 18 +++++++-----------
 3 files changed, 13 insertions(+), 12 deletions(-)