diff options
| author | Kent Overstreet <kent.overstreet@gmail.com> | 2020-11-16 15:18:17 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2020-12-07 11:47:03 -0500 |
| commit | 538cccb24a81bbd7bb9168fda884cb667b873ace (patch) | |
| tree | 87358b2f89c6374b097b74be0f6d292c97814a28 /kernel | |
| parent | b6f11afa6ac2dac3eceb728798fa0bc9d8f6e6ea (diff) | |
srcu: Export new SRCU poll interface
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcu/srcutiny.c | 3 | ||||
| -rw-r--r-- | kernel/rcu/srcutree.c | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/kernel/rcu/srcutiny.c b/kernel/rcu/srcutiny.c index 1cbff26bd67a..26a5122b9923 100644 --- a/kernel/rcu/srcutiny.c +++ b/kernel/rcu/srcutiny.c @@ -209,6 +209,7 @@ unsigned long get_state_synchronize_srcu(struct srcu_struct *ssp) barrier(); return ret & USHRT_MAX; } +EXPORT_SYMBOL_GPL(get_state_synchronize_srcu); /* * start_poll_synchronize_srcu - Provide cookie and start grace period @@ -224,6 +225,7 @@ unsigned long start_poll_synchronize_srcu(struct srcu_struct *ssp) srcu_gp_start_if_needed(ssp); return ret; } +EXPORT_SYMBOL_GPL(start_poll_synchronize_srcu); /* * poll_state_synchronize_srcu - Has cookie's grace period ended? @@ -235,6 +237,7 @@ bool poll_state_synchronize_srcu(struct srcu_struct *ssp, unsigned long cookie) barrier(); return ret; } +EXPORT_SYMBOL_GPL(poll_state_synchronize_srcu); /* Lockdep diagnostics. */ void __init rcu_scheduler_starting(void) diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c index 39677ab288ca..1256de299a96 100644 --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c @@ -1042,6 +1042,7 @@ unsigned long get_state_synchronize_srcu(struct srcu_struct *ssp) smp_mb(); return rcu_seq_snap(&ssp->srcu_gp_seq); } +EXPORT_SYMBOL_GPL(get_state_synchronize_srcu); /** * start_poll_synchronize_srcu - Provide cookie and start grace period @@ -1057,6 +1058,7 @@ unsigned long start_poll_synchronize_srcu(struct srcu_struct *ssp) { return srcu_gp_start_if_needed(ssp, NULL, true); } +EXPORT_SYMBOL_GPL(start_poll_synchronize_srcu); /** * poll_state_synchronize_srcu - Has cookie's grace period ended? @@ -1075,6 +1077,7 @@ bool poll_state_synchronize_srcu(struct srcu_struct *ssp, unsigned long cookie) smp_mb(); // ^^^ return true; } +EXPORT_SYMBOL_GPL(poll_state_synchronize_srcu); /* * Callback function for srcu_barrier() use. |