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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2009-12-02 20:10:15 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-03 10:35:25 (GMT) |
| commit | d9a3da0699b24a589b27a61e1a5b5bd30d9db669 (patch) | |
| tree | f7440e396a6c818f3cef514ccc31ab55d88025ef /kernel/stop_machine.c | |
| parent | cf244dc01bf68e1ad338b82447f8686d24ea4435 (diff) | |
| download | linux-fsl-qoriq-d9a3da0699b24a589b27a61e1a5b5bd30d9db669.tar.xz | |
rcu: Add expedited grace-period support for preemptible RCU
Implement an synchronize_rcu_expedited() for preemptible RCU
that actually is expedited. This uses
synchronize_sched_expedited() to force all threads currently
running in a preemptible-RCU read-side critical section onto the
appropriate ->blocked_tasks[] list, then takes a snapshot of all
of these lists and waits for them to drain.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: josh@joshtriplett.org
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
LKML-Reference: <1259784616158-git-send-email->
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/stop_machine.c')
0 files changed, 0 insertions, 0 deletions