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Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index b1f3915d5f8e..e832da9d15a4 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -97,6 +97,7 @@
#include <linux/kasan.h>
#include <linux/scs.h>
#include <linux/io_uring.h>
+#include <linux/io_uring_types.h>
#include <linux/bpf.h>
#include <linux/stackprotector.h>
#include <linux/user_events.h>
@@ -1356,7 +1357,7 @@ struct file *get_task_exe_file(struct task_struct *task)
* @task: The task.
*
* Returns %NULL if the task has no mm. Checks PF_KTHREAD (meaning
- * this kernel workthread has transiently adopted a user mm with use_mm,
+ * this kernel workthread has transiently adopted a user mm with kthread_use_mm,
* to do its AIO) is not set and if so returns a reference to it, after
* bumping up the use count. User must release the mm via mmput()
* after use. Typically used by /proc and ptrace.
@@ -1828,9 +1829,6 @@ static inline void rcu_copy_process(struct task_struct *p)
#endif /* #ifdef CONFIG_TASKS_RCU */
#ifdef CONFIG_TASKS_TRACE_RCU
p->trc_reader_nesting = 0;
- p->trc_reader_special.s = 0;
- INIT_LIST_HEAD(&p->trc_holdout_list);
- INIT_LIST_HEAD(&p->trc_blkd_node);
#endif /* #ifdef CONFIG_TASKS_TRACE_RCU */
}
@@ -2071,7 +2069,7 @@ __latent_entropy struct task_struct *copy_process(
p->set_child_tid = (clone_flags & CLONE_CHILD_SETTID) ? args->child_tid : NULL;
/*
- * Clear TID on mm_release()?
+ * TID is cleared in mm_release() when the task exits
*/
p->clear_child_tid = (clone_flags & CLONE_CHILD_CLEARTID) ? args->child_tid : NULL;
@@ -2129,6 +2127,10 @@ __latent_entropy struct task_struct *copy_process(
#ifdef CONFIG_IO_URING
p->io_uring = NULL;
+ retval = io_uring_fork(p);
+ if (unlikely(retval))
+ goto bad_fork_cleanup_delayacct;
+ retval = -EAGAIN;
#endif
p->default_timer_slack_ns = current->timer_slack_ns;
@@ -2525,6 +2527,7 @@ bad_fork_cleanup_policy:
mpol_put(p->mempolicy);
#endif
bad_fork_cleanup_delayacct:
+ io_uring_free(p);
delayacct_tsk_free(p);
bad_fork_cleanup_count:
dec_rlimit_ucounts(task_ucounts(p), UCOUNT_RLIMIT_NPROC, 1);