linux-kernel - [PATCH v3 resend 0/6] Implement call_rcu

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Date:   Tue,  9 Aug 2022 03:45:11 +0000
From:   "Joel Fernandes (Google)" <joel@...lfernandes.org>
To:     linux-kernel@...r.kernel.org
Cc:     "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        rushikesh.s.kadam@...el.com, urezki@...il.com,
        neeraj.iitr10@...il.com, frederic@...nel.org, paulmck@...nel.org,
        rostedt@...dmis.org, rcu@...r.kernel.org
Subject: [PATCH v3 resend 0/6] Implement call_rcu_lazy() and miscellaneous fixes

Just a refresh of v3 with one additional debug patch. v3's cover letter is here:
 https://lore.kernel.org/all/20220713213237.1596225-1-joel@joelfernandes.org/

I just started working on this again while I have some time during paternity
leave ;-) So I thought I'll just send it out again. No other changes other
than that 1 debug patch I added on the top.

Next I am going to go refine the power results as mentioned in Paul's comments
on the last cover letter.

Joel Fernandes (Google) (5):
rcu: Introduce call_rcu_lazy() API implementation
rcuscale: Add laziness and kfree tests
fs: Move call_rcu() to call_rcu_lazy() in some paths
rcutorture: Add test code for call_rcu_lazy()
debug: Toggle lazy at runtime and change flush jiffies

Vineeth Pillai (1):
rcu: shrinker for lazy rcu

fs/dcache.c                                   |   4 +-
fs/eventpoll.c                                |   2 +-
fs/file_table.c                               |   2 +-
fs/inode.c                                    |   2 +-
include/linux/rcu_segcblist.h                 |   1 +
include/linux/rcupdate.h                      |   6 +
include/linux/sched/sysctl.h                  |   3 +
kernel/rcu/Kconfig                            |   8 +
kernel/rcu/rcu.h                              |  12 +
kernel/rcu/rcu_segcblist.c                    |  15 +-
kernel/rcu/rcu_segcblist.h                    |  20 +-
kernel/rcu/rcuscale.c                         |  74 +++++-
kernel/rcu/rcutorture.c                       |  60 ++++-
kernel/rcu/tree.c                             | 131 ++++++----
kernel/rcu/tree.h                             |  10 +-
kernel/rcu/tree_nocb.h                        | 246 +++++++++++++++---
kernel/sysctl.c                               |  17 ++
.../selftests/rcutorture/configs/rcu/CFLIST   |   1 +
.../selftests/rcutorture/configs/rcu/TREE11   |  18 ++
.../rcutorture/configs/rcu/TREE11.boot        |   8 +
20 files changed, 536 insertions(+), 104 deletions(-)
create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/TREE11
create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/TREE11.boot

--
2.37.1.559.g78731f0fdb-goog