[0/5] Miscellaneous fixes

Message

Paul E. McKenney Jan. 16, 2025, 8:05 p.m. UTC

Hello!

This series contains miscellaneous fixes:

1.	Split rcu_report_exp_cpu_mult() mask parameter and use for
	tracing.

2.	Remove READ_ONCE() for rdp->gpwrap access in __note_gp_changes(),
	courtesy of Zilin Guan.

3.	Fix get_state_synchronize_rcu_full() GP-start detection.

4.	Move RCU Tasks self-tests to core_initcall().

5.	Print segment lengths in show_rcu_nocb_gp_state().

						Thanx, Paul

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

 b/include/linux/rcupdate.h |    6 ------
 b/init/main.c              |    1 -
 b/kernel/rcu/rcu.h         |    2 +-
 b/kernel/rcu/tasks.h       |    5 ++++-
 b/kernel/rcu/tree.c        |    6 +++---
 b/kernel/rcu/tree_exp.h    |    6 ++++--
 b/kernel/rcu/tree_nocb.h   |   20 +++++++++++++++-----
 kernel/rcu/tree.c          |    9 ++++++---
 8 files changed, 33 insertions(+), 22 deletions(-)

Comments

Paul E. McKenney Jan. 30, 2025, 6:53 p.m. UTC | #1

Hello!

This series contains miscellaneous fixes:

1.	Split rcu_report_exp_cpu_mult() mask parameter and use for
	tracing.

2.	Remove READ_ONCE() for rdp->gpwrap access in __note_gp_changes(),
	courtesy of Zilin Guan.

3.	Fix get_state_synchronize_rcu_full() GP-start detection.

4.	Move RCU Tasks self-tests to core_initcall().

5.	Print segment lengths in show_rcu_nocb_gp_state().

Changes since v1:

o	Fix "the the" in commit log.

o	Add Reviewed-by and Tested-by tags.

						Thanx, Paul

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

 b/include/linux/rcupdate.h |    6 ------
 b/init/main.c              |    1 -
 b/kernel/rcu/rcu.h         |    2 +-
 b/kernel/rcu/tasks.h       |    5 ++++-
 b/kernel/rcu/tree.c        |    6 +++---
 b/kernel/rcu/tree_exp.h    |    6 ++++--
 b/kernel/rcu/tree_nocb.h   |   20 +++++++++++++++-----
 kernel/rcu/tree.c          |    9 ++++++---
 8 files changed, 33 insertions(+), 22 deletions(-)