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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-08-15 19:00:31 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-10-07 16:02:50 -0700 |
| commit | dcdb8807ba0f5127d4dc67daeeb154edf50a93d1 (patch) | |
| tree | e303f8279f7a4e0f13d72f092fb6d52091b88320 /kernel/rcu/tree.c | |
| parent | 66fe6cbee44e3f78d05882195a6a38e30b97b936 (diff) | |
| download | linux-0-day-dcdb8807ba0f5127d4dc67daeeb154edf50a93d1.tar.gz linux-0-day-dcdb8807ba0f5127d4dc67daeeb154edf50a93d1.tar.xz | |
rcu: Consolidate expedited CPU selection
Now that sync_sched_exp_select_cpus() and sync_rcu_exp_select_cpus()
are identical aside from the the argument to smp_call_function_single(),
this commit consolidates them with a functional argument.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu/tree.c')
| -rw-r--r-- | kernel/rcu/tree.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index ae582e3d4136b..f44f4b30c68a1 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -3654,7 +3654,8 @@ static void synchronize_sched_expedited_cpu_stop(void *data) * Select the nodes that the upcoming expedited grace period needs * to wait for. */ -static void sync_sched_exp_select_cpus(struct rcu_state *rsp) +static void sync_rcu_exp_select_cpus(struct rcu_state *rsp, + smp_call_func_t func) { int cpu; unsigned long flags; @@ -3696,7 +3697,7 @@ static void sync_sched_exp_select_cpus(struct rcu_state *rsp) for (cpu = rnp->grplo; cpu <= rnp->grphi; cpu++, mask <<= 1) { if (!(mask_ofl_ipi & mask)) continue; - ret = smp_call_function_single(cpu, synchronize_sched_expedited_cpu_stop, NULL, 0); + ret = smp_call_function_single(cpu, func, rsp, 0); if (!ret) mask_ofl_ipi &= ~mask; } @@ -3788,7 +3789,7 @@ void synchronize_sched_expedited(void) return; /* Someone else did our work for us. */ rcu_exp_gp_seq_start(rsp); - sync_sched_exp_select_cpus(rsp); + sync_rcu_exp_select_cpus(rsp, synchronize_sched_expedited_cpu_stop); synchronize_sched_expedited_wait(rsp); rcu_exp_gp_seq_end(rsp); |