[PATCH tip/core/rcu 0/24] Additional RCU-consolidation cleanups for v4.20/v5.0
From: Paul E. McKenney
Date: Wed Aug 29 2018 - 18:53:49 EST
Hello!
This series contains yet more cleanups for RCU flavor consolidation:
1. Inline the now-trivial increment_cpu_stall_ticks() into its sole
caller.
2. Pull the rcu_gp_kthread() function's force-quiescent-state loop
into a separate function
3. Consolidate RCU-bh update-side function definitions, putting
them all in one place at the end of rcupdate.h.
4. Consolidate RCU-sched update-side function definitions, putting
them all in one place at the end of rcupdate.h.
5. Add RCU-bh and RCU-sched support for extended readers, so that
rcutorture will mix and match all RCU read-side primitives.
6. Stop testing RCU-bh and RCU-sched.
7-8. Remove the "rcu_bh" and "sched" torture types.
9. Remove now-unused rcutorture APIs.
10-21. Clean up flavor-related definitions and comments.
22. Remove !PREEMPT code from rcu_note_voluntary_context_switch(),
since it now has meaning only in PREEMPT kernels.
23. Define rcu_all_qs() only in !PREEMPT builds, since that is
now the only place it is used.
24. Inline _rcu_barrier() into its sole remaining caller.
Thanx, Paul
------------------------------------------------------------------------
Documentation/admin-guide/kernel-parameters.txt | 6
include/linux/rculist.h | 32 -
include/linux/rcupdate.h | 100 ++-
include/linux/rcupdate_wait.h | 14
include/linux/rcutiny.h | 47 -
include/linux/rcutree.h | 28
include/trace/events/rcu.h | 20
kernel/rcu/Kconfig | 20
kernel/rcu/rcu.h | 28
kernel/rcu/rcuperf.c | 65 --
kernel/rcu/rcutorture.c | 125 ---
kernel/rcu/srcutree.c | 2
kernel/rcu/tiny.c | 10
kernel/rcu/tree.c | 414 +++----------
kernel/rcu/tree.h | 5
kernel/rcu/tree_exp.h | 22
kernel/rcu/tree_plugin.h | 83 +-
kernel/rcu/update.c | 58 -
tools/testing/selftests/rcutorture/configs/rcu/TINY02.boot | 2
tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot | 2
tools/testing/selftests/rcutorture/configs/rcu/TREE04.boot | 2
tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot | 2
tools/testing/selftests/rcutorture/configs/rcu/TREE06.boot | 2
tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot | 2
24 files changed, 366 insertions(+), 725 deletions(-)