x86: Merge the x86_32 and x86_64 cpu_idle() functions

[platform/adaptation/renesas_rcar/renesas_kernel.git] / kernel / workqueue.c

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index bec7b5b..5abf42f 100644 (file)
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -253,11 +253,13 @@ struct workqueue_struct *system_long_wq __read_mostly;
 struct workqueue_struct *system_nrt_wq __read_mostly;
 struct workqueue_struct *system_unbound_wq __read_mostly;
 struct workqueue_struct *system_freezable_wq __read_mostly;
+struct workqueue_struct *system_nrt_freezable_wq __read_mostly;
 EXPORT_SYMBOL_GPL(system_wq);
 EXPORT_SYMBOL_GPL(system_long_wq);
 EXPORT_SYMBOL_GPL(system_nrt_wq);
 EXPORT_SYMBOL_GPL(system_unbound_wq);
 EXPORT_SYMBOL_GPL(system_freezable_wq);
+EXPORT_SYMBOL_GPL(system_nrt_freezable_wq);
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/workqueue.h>
@@ -474,13 +476,8 @@ static struct cpu_workqueue_struct *get_cwq(unsigned int cpu,
                                            struct workqueue_struct *wq)
 {
        if (!(wq->flags & WQ_UNBOUND)) {
-               if (likely(cpu < nr_cpu_ids)) {
-#ifdef CONFIG_SMP
+               if (likely(cpu < nr_cpu_ids))
                        return per_cpu_ptr(wq->cpu_wq.pcpu, cpu);
-#else
-                       return wq->cpu_wq.single;
-#endif
-               }
        } else if (likely(cpu == WORK_CPU_UNBOUND))
                return wq->cpu_wq.single;
        return NULL;
@@ -2897,13 +2894,8 @@ static int alloc_cwqs(struct workqueue_struct *wq)
        const size_t size = sizeof(struct cpu_workqueue_struct);
        const size_t align = max_t(size_t, 1 << WORK_STRUCT_FLAG_BITS,
                                   __alignof__(unsigned long long));
-#ifdef CONFIG_SMP
-       bool percpu = !(wq->flags & WQ_UNBOUND);
-#else
-       bool percpu = false;
-#endif
 
-       if (percpu)
+       if (!(wq->flags & WQ_UNBOUND))
                wq->cpu_wq.pcpu = __alloc_percpu(size, align);
        else {
                void *ptr;
@@ -2927,13 +2919,7 @@ static int alloc_cwqs(struct workqueue_struct *wq)
 
 static void free_cwqs(struct workqueue_struct *wq)
 {
-#ifdef CONFIG_SMP
-       bool percpu = !(wq->flags & WQ_UNBOUND);
-#else
-       bool percpu = false;
-#endif
-
-       if (percpu)
+       if (!(wq->flags & WQ_UNBOUND))
                free_percpu(wq->cpu_wq.pcpu);
        else if (wq->cpu_wq.single) {
                /* the pointer to free is stored right after the cwq */
@@ -3833,8 +3819,11 @@ static int __init init_workqueues(void)
                                            WQ_UNBOUND_MAX_ACTIVE);
        system_freezable_wq = alloc_workqueue("events_freezable",
                                              WQ_FREEZABLE, 0);
+       system_nrt_freezable_wq = alloc_workqueue("events_nrt_freezable",
+                       WQ_NON_REENTRANT | WQ_FREEZABLE, 0);
        BUG_ON(!system_wq || !system_long_wq || !system_nrt_wq ||
-              !system_unbound_wq || !system_freezable_wq);
+              !system_unbound_wq || !system_freezable_wq ||
+               !system_nrt_freezable_wq);
        return 0;
 }
 early_initcall(init_workqueues);