diff options
Diffstat (limited to 'kernel/rcu/rcuscale.c')
-rw-r--r-- | kernel/rcu/rcuscale.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c index 5e4f1f83d38e..3ef02d4a8108 100644 --- a/kernel/rcu/rcuscale.c +++ b/kernel/rcu/rcuscale.c @@ -268,6 +268,8 @@ static struct rcu_scale_ops srcud_ops = { .name = "srcud" }; +#ifdef CONFIG_TASKS_RCU + /* * Definitions for RCU-tasks scalability testing. */ @@ -295,6 +297,16 @@ static struct rcu_scale_ops tasks_ops = { .name = "tasks" }; +#define TASKS_OPS &tasks_ops, + +#else // #ifdef CONFIG_TASKS_RCU + +#define TASKS_OPS + +#endif // #else // #ifdef CONFIG_TASKS_RCU + +#ifdef CONFIG_TASKS_TRACE_RCU + /* * Definitions for RCU-tasks-trace scalability testing. */ @@ -324,6 +336,14 @@ static struct rcu_scale_ops tasks_tracing_ops = { .name = "tasks-tracing" }; +#define TASKS_TRACING_OPS &tasks_tracing_ops, + +#else // #ifdef CONFIG_TASKS_TRACE_RCU + +#define TASKS_TRACING_OPS + +#endif // #else // #ifdef CONFIG_TASKS_TRACE_RCU + static unsigned long rcuscale_seq_diff(unsigned long new, unsigned long old) { if (!cur_ops->gp_diff) @@ -399,6 +419,7 @@ rcu_scale_writer(void *arg) VERBOSE_SCALEOUT_STRING("rcu_scale_writer task started"); WARN_ON(!wdpp); set_cpus_allowed_ptr(current, cpumask_of(me % nr_cpu_ids)); + current->flags |= PF_NO_SETAFFINITY; sched_set_fifo_low(current); if (holdoff) @@ -797,7 +818,7 @@ rcu_scale_init(void) long i; int firsterr = 0; static struct rcu_scale_ops *scale_ops[] = { - &rcu_ops, &srcu_ops, &srcud_ops, &tasks_ops, &tasks_tracing_ops + &rcu_ops, &srcu_ops, &srcud_ops, TASKS_OPS TASKS_TRACING_OPS }; if (!torture_init_begin(scale_type, verbose)) |