Merge tag 'sched-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index ec8d07d..7c6a77d 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -748,6 +748,7 @@ struct task_struct {
        unsigned int                    policy;
        int                             nr_cpus_allowed;
        const cpumask_t                 *cpus_ptr;
+       cpumask_t                       *user_cpus_ptr;
        cpumask_t                       cpus_mask;
        void                            *migration_pending;
 #ifdef CONFIG_SMP
@@ -863,6 +864,10 @@ struct task_struct {
        /* Used by page_owner=on to detect recursion in page tracking. */
        unsigned                        in_page_owner:1;
 #endif
+#ifdef CONFIG_EVENTFD
+       /* Recursion prevention for eventfd_signal() */
+       unsigned                        in_eventfd_signal:1;
+#endif
 
        unsigned long                   atomic_flags; /* Flags requiring atomic access. */
 
@@ -1705,6 +1710,11 @@ extern int task_can_attach(struct task_struct *p, const struct cpumask *cs_cpus_
 #ifdef CONFIG_SMP
 extern void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask);
 extern int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask);
+extern int dup_user_cpus_ptr(struct task_struct *dst, struct task_struct *src, int node);
+extern void release_user_cpus_ptr(struct task_struct *p);
+extern int dl_task_check_affinity(struct task_struct *p, const struct cpumask *mask);
+extern void force_compatible_cpus_allowed_ptr(struct task_struct *p);
+extern void relax_compatible_cpus_allowed_ptr(struct task_struct *p);
 #else
 static inline void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
 {
@@ -1715,6 +1725,21 @@ static inline int set_cpus_allowed_ptr(struct task_struct *p, const struct cpuma
                return -EINVAL;
        return 0;
 }
+static inline int dup_user_cpus_ptr(struct task_struct *dst, struct task_struct *src, int node)
+{
+       if (src->user_cpus_ptr)
+               return -EINVAL;
+       return 0;
+}
+static inline void release_user_cpus_ptr(struct task_struct *p)
+{
+       WARN_ON(p->user_cpus_ptr);
+}
+
+static inline int dl_task_check_affinity(struct task_struct *p, const struct cpumask *mask)
+{
+       return 0;
+}
 #endif
 
 extern int yield_to(struct task_struct *p, bool preempt);