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| author |   Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-08-04 07:24:21 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-09-07 16:27:29 -0700 |
| commit | 84a8f446ffd70c2799a96268aaa4d47c22a83ff0 (patch) | |
| tree | 61e32afc24cfa6b7c33bcef6148851035b4149e6 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | documentation: Add verbiage on RCU-tasks stall warning messages (diff) | |
| download | wireguard-linux-84a8f446ffd70c2799a96268aaa4d47c22a83ff0.tar.xz wireguard-linux-84a8f446ffd70c2799a96268aaa4d47c22a83ff0.zip | |
rcu: Defer rcu_tasks_kthread() creation till first call_rcu_tasks()
It is expected that many sites will have CONFIG_TASKS_RCU=y, but
will never actually invoke call_rcu_tasks(). For such sites, creating
rcu_tasks_kthread() at boot is wasteful. This commit therefore defers
creation of this kthread until the time of the first call_rcu_tasks().
This of course means that the first call_rcu_tasks() must be invoked
from process context after the scheduler is fully operational.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions