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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-10-19 14:26:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-10-19 22:26:11 -0400
commit27fdb35fe99011d86bcc54f62fe84712c53f4d05 (patch)
tree65a9293586805f175167deb863b588c183e90388 /kernel/rcu/sync.c
parent533966c8ad9ec779d81179ea6a182055066c62a3 (diff)
downloadlinux-27fdb35fe99011d86bcc54f62fe84712c53f4d05.tar.bz2
doc: Fix various RCU docbook comment-header problems
Because many of RCU's files have not been included into docbook, a number of errors have accumulated. This commit fixes them. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/rcu/sync.c')
-rw-r--r--kernel/rcu/sync.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/rcu/sync.c b/kernel/rcu/sync.c
index 50d1861f7759..3f943efcf61c 100644
--- a/kernel/rcu/sync.c
+++ b/kernel/rcu/sync.c
@@ -85,6 +85,9 @@ void rcu_sync_init(struct rcu_sync *rsp, enum rcu_sync_type type)
}
/**
+ * rcu_sync_enter_start - Force readers onto slow path for multiple updates
+ * @rsp: Pointer to rcu_sync structure to use for synchronization
+ *
* Must be called after rcu_sync_init() and before first use.
*
* Ensures rcu_sync_is_idle() returns false and rcu_sync_{enter,exit}()
@@ -142,7 +145,7 @@ void rcu_sync_enter(struct rcu_sync *rsp)
/**
* rcu_sync_func() - Callback function managing reader access to fastpath
- * @rsp: Pointer to rcu_sync structure to use for synchronization
+ * @rhp: Pointer to rcu_head in rcu_sync structure to use for synchronization
*
* This function is passed to one of the call_rcu() functions by
* rcu_sync_exit(), so that it is invoked after a grace period following the
@@ -158,9 +161,9 @@ void rcu_sync_enter(struct rcu_sync *rsp)
* rcu_sync_exit(). Otherwise, set all state back to idle so that readers
* can again use their fastpaths.
*/
-static void rcu_sync_func(struct rcu_head *rcu)
+static void rcu_sync_func(struct rcu_head *rhp)
{
- struct rcu_sync *rsp = container_of(rcu, struct rcu_sync, cb_head);
+ struct rcu_sync *rsp = container_of(rhp, struct rcu_sync, cb_head);
unsigned long flags;
BUG_ON(rsp->gp_state != GP_PASSED);