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| author | Ingo Molnar <mingo@kernel.org> | 2017-02-03 21:37:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-03-03 01:43:46 +0100 |
| commit | 6bfbaa51ed47774492d83d182a86068cc35aa4c6 (patch) | |
| tree | 6460d4a4c08ff2f8f43f521d19150a9a604c30a7 /kernel | |
| parent | 901b14bd946a8b7ea211105b6207e082ddd36846 (diff) | |
| download | op-kernel-dev-6bfbaa51ed47774492d83d182a86068cc35aa4c6.zip op-kernel-dev-6bfbaa51ed47774492d83d182a86068cc35aa4c6.tar.gz | |
sched/headers, RCU: Move rcu_copy_process() from <linux/sched/task.h> to kernel/fork.c
Move rcu_copy_process() into kernel/fork.c, which is the only
user of this inline function.
This simplifies <linux/sched/task.h> to the level that <linux/sched.h>
does not have to be included in it anymore - which change is done
in a subsequent patch.
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/fork.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 916e780..6c463c80 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1465,6 +1465,21 @@ init_task_pid(struct task_struct *task, enum pid_type type, struct pid *pid) task->pids[type].pid = pid; } +static inline void rcu_copy_process(struct task_struct *p) +{ +#ifdef CONFIG_PREEMPT_RCU + p->rcu_read_lock_nesting = 0; + p->rcu_read_unlock_special.s = 0; + p->rcu_blocked_node = NULL; + INIT_LIST_HEAD(&p->rcu_node_entry); +#endif /* #ifdef CONFIG_PREEMPT_RCU */ +#ifdef CONFIG_TASKS_RCU + p->rcu_tasks_holdout = false; + INIT_LIST_HEAD(&p->rcu_tasks_holdout_list); + p->rcu_tasks_idle_cpu = -1; +#endif /* #ifdef CONFIG_TASKS_RCU */ +} + /* * This creates a new process as a copy of the old one, * but does not actually start it yet. |
