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Code Issues Releases Wiki Activity

workqueue: Factor out init_cpu_worker_pool() 

Factor out init_cpu_worker_pool() from workqueue_init_early(). This is pure
reorganization in preparation of BH workqueue support.

Signed-off-by: Tejun Heo <tj@kernel.org>
Tested-by: Allen Pais <allen.lkml@gmail.com>
This commit is contained in:
Tejun Heo 2024-02-04 11:28:06 -10:00
parent c35aea39d1
commit 2fcdb1b444
1 changed files with 18 additions and 14 deletions
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32
kernel/workqueue.c
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@ -7147,6 +7147,22 @@ static void __init restrict_unbound_cpumask(const char *name, const struct cpuma
cpumask_and(wq_unbound_cpumask, wq_unbound_cpumask, mask);
}
static void __init init_cpu_worker_pool(struct worker_pool *pool, int cpu, int nice)
{
BUG_ON(init_worker_pool(pool));
pool->cpu = cpu;
cpumask_copy(pool->attrs->cpumask, cpumask_of(cpu));
cpumask_copy(pool->attrs->__pod_cpumask, cpumask_of(cpu));
pool->attrs->nice = nice;
pool->attrs->affn_strict = true;
pool->node = cpu_to_node(cpu);
/* alloc pool ID */
mutex_lock(&wq_pool_mutex);
BUG_ON(worker_pool_assign_id(pool));
mutex_unlock(&wq_pool_mutex);
}
/**
* workqueue_init_early - early init for workqueue subsystem
*
@ -7207,20 +7223,8 @@ void __init workqueue_init_early(void)
struct worker_pool *pool;
i = 0;
for_each_cpu_worker_pool(pool, cpu) {
BUG_ON(init_worker_pool(pool));
pool->cpu = cpu;
cpumask_copy(pool->attrs->cpumask, cpumask_of(cpu));
cpumask_copy(pool->attrs->__pod_cpumask, cpumask_of(cpu));
pool->attrs->nice = std_nice[i++];
pool->attrs->affn_strict = true;
pool->node = cpu_to_node(cpu);
/* alloc pool ID */
mutex_lock(&wq_pool_mutex);
BUG_ON(worker_pool_assign_id(pool));
mutex_unlock(&wq_pool_mutex);
}
for_each_cpu_worker_pool(pool, cpu)
init_cpu_worker_pool(pool, cpu, std_nice[i++]);
}
/* create default unbound and ordered wq attrs */