Hello!
This patch series provides further updates to RCU's interaction with
CPU hotplug. The individual patches are as follows:
1. Fix an obsolete comment describing ->onofflock.
2. Make rcutorture print the errno from cpu_down() failure if
the "verbose" module parameter is specified.
3. Make _cpu_down() use stop_cpus() instead of __stop_machine().
4. Rename ->onofflock to ->orphan_lock to correctly indicate this
lock's current scope.
5. Avoid counter wrap in synchronize_sched_expedited().
6. Move synchronize_sched_expedited() from global variables to
the rcu_state structure.
7. Instrument synchronize_rcu_expedited() for debugfs tracing.
Thanx, Paul
b/kernel/cpu.c | 9 ++-
b/kernel/rcutorture.c | 9 +++
b/kernel/rcutree.c | 4 -
b/kernel/rcutree.h | 7 +-
b/kernel/rcutree_plugin.h | 3 -
kernel/rcutree.c | 112 ++++++++++++++++++++++++++++++----------------
kernel/rcutree.h | 12 ++++
7 files changed, 108 insertions(+), 48 deletions(-)
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