[PATCH rcu 0/26] Context tracking updates for v6.12

From: Neeraj Upadhyay
Date: Fri Aug 16 2024 - 00:00:50 EST


Hello,

This patch series contains following updates to the context
tracking code (rebased on v6.11-rc1):

1. Renaming of context tracking state related symbols and removal of
references to "dynticks" in various context tracking state variables
and related helpers, courtesy of Valentin Schneider.

2. Tagging context_tracking_enabled_this_cpu() __always_inline, courtesy of
Sean Christopherson.


Git tree is at https://git.kernel.org/pub/scm/linux/kernel/git/neeraj.upadhyay/linux-rcu.git/log/?h=context_tracking.15.08.24a


- Neeraj


Sean Christopherson (1):
context_tracking: Tag context_tracking_enabled_this_cpu()
__always_inline

Valentin Schneider (25):
treewide: context_tracking: Rename CONTEXT_* into CT_STATE_*
context_tracking, rcu: Rename RCU_DYNTICKS_IDX into CT_RCU_WATCHING
context_tracking, rcu: Rename ct_dynticks() into ct_rcu_watching()
context_tracking, rcu: Rename ct_dynticks_cpu() into
ct_rcu_watching_cpu()
context_tracking, rcu: Rename ct_dynticks_cpu_acquire() into
ct_rcu_watching_cpu_acquire()
context_tracking, rcu: Rename struct context_tracking
.dynticks_nesting into .nesting
context_tracking, rcu: Rename ct_dynticks_nesting() into ct_nesting()
context_tracking, rcu: Rename ct_dynticks_nesting_cpu() into
ct_nesting_cpu()
context_tracking, rcu: Rename struct context_tracking
.dynticks_nmi_nesting into .nmi_nesting
context_tracking, rcu: Rename ct_dynticks_nmi_nesting() into
ct_nmi_nesting()
context_tracking, rcu: Rename ct_dynticks_nmi_nesting_cpu() into
ct_nmi_nesting_cpu()
context_tracking, rcu: Rename DYNTICK_IRQ_NONIDLE into
CT_NESTING_IRQ_NONIDLE
context_tracking, rcu: Rename rcu_dynticks_task*() into rcu_task*()
context_tracking, rcu: Rename rcu_dynticks_curr_cpu_in_eqs() into
rcu_is_watching_curr_cpu()
rcu: Rename rcu_dynticks_eqs_online() into rcu_watching_online()
rcu: Rename rcu_dynticks_in_eqs() into rcu_watching_snap_in_eqs()
rcu: Rename rcu_dynticks_in_eqs_since() into
rcu_watching_snap_stopped_since()
rcu: Rename rcu_dynticks_zero_in_eqs() into rcu_watching_zero_in_eqs()
rcu: Rename struct rcu_data .dynticks_snap into .watching_snap
rcu: Rename struct rcu_data .exp_dynticks_snap into .exp_watching_snap
rcu: Rename dyntick_save_progress_counter() into
rcu_watching_snap_save()
rcu: Rename rcu_implicit_dynticks_qs() into
rcu_watching_snap_recheck()
rcu: Rename rcu_momentary_dyntick_idle() into rcu_momentary_eqs()
rcu: Update stray documentation references to rcu_dynticks_eqs_{enter,
exit}()
context_tracking, rcu: Rename rcu_dyntick trace event into
rcu_watching

.../Data-Structures/Data-Structures.rst | 28 ++--
.../Tree-RCU-Memory-Ordering.rst | 8 +-
.../Memory-Ordering/TreeRCU-dyntick.svg | 8 +-
.../Design/Memory-Ordering/TreeRCU-gp-fqs.svg | 8 +-
.../RCU/Design/Memory-Ordering/TreeRCU-gp.svg | 8 +-
.../Memory-Ordering/TreeRCU-hotplug.svg | 4 +-
arch/Kconfig | 2 +-
arch/arm64/kernel/entry-common.c | 2 +-
arch/powerpc/include/asm/interrupt.h | 6 +-
arch/powerpc/kernel/interrupt.c | 6 +-
arch/powerpc/kernel/syscall.c | 2 +-
arch/x86/entry/common.c | 2 +-
include/linux/context_tracking.h | 32 ++--
include/linux/context_tracking_state.h | 60 ++++----
include/linux/entry-common.h | 2 +-
include/linux/rcutiny.h | 2 +-
include/linux/rcutree.h | 2 +-
include/trace/events/rcu.h | 20 +--
kernel/context_tracking.c | 140 +++++++++---------
kernel/entry/common.c | 2 +-
kernel/rcu/rcu.h | 4 +-
kernel/rcu/rcutorture.c | 4 +-
kernel/rcu/tasks.h | 2 +-
kernel/rcu/tree.c | 111 +++++++-------
kernel/rcu/tree.h | 4 +-
kernel/rcu/tree_exp.h | 8 +-
kernel/rcu/tree_nocb.h | 2 +-
kernel/rcu/tree_plugin.h | 6 +-
kernel/rcu/tree_stall.h | 6 +-
kernel/sched/core.c | 4 +-
kernel/stop_machine.c | 2 +-
kernel/trace/trace_osnoise.c | 4 +-
32 files changed, 258 insertions(+), 243 deletions(-)