[PATCH RFC smp] Remove diagnostics and adjust config for CSD lock diagnostics

From: Paul E. McKenney
Date: Mon Mar 20 2023 - 20:54:59 EST


Hello!

This series removes CSD-lock diagnostics that were once very useful
but which have not seen much action since. It also adjusts Kconfig and
kernel-boot-parameter setup.

1. locking/csd_lock: Add Kconfig option for csd_debug default.

2. locking/csd_lock: Remove added data from CSD lock debugging.

3. locking/csd_lock: Remove per-CPU data indirection from CSD
lock debugging.

4. kernel/smp: Make csdlock_debug= resettable.

Thanx, Paul

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

Documentation/admin-guide/kernel-parameters.txt | 17 -
b/Documentation/admin-guide/kernel-parameters.txt | 6
b/kernel/smp.c | 2
b/lib/Kconfig.debug | 9
kernel/smp.c | 260 ++--------------------
5 files changed, 47 insertions(+), 247 deletions(-)