summaryrefslogtreecommitdiff
path: root/lib/timerqueue.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@s-opensource.com>2018-01-03 12:14:04 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2018-01-03 12:14:04 +0300
commit3bdf481e39ff1d36c1f2e1b3862db2ac329b12cd (patch)
tree91ad50553511f1cb4583edce10c16371f69fa7aa /lib/timerqueue.c
parentd0c8f6ad8b381dd572576ac50b9696d4d31142bb (diff)
parent30a7acd573899fd8b8ac39236eff6468b195ac7d (diff)
downloadlinux-3bdf481e39ff1d36c1f2e1b3862db2ac329b12cd.tar.xz
Merge tag 'v4.15-rc6' into patchwork
Linux 4.15-rc6 * tag 'v4.15-rc6': (734 commits) Linux 4.15-rc6 MAINTAINERS: mark arch/blackfin/ and its gubbins as orphaned x86/ldt: Make LDT pgtable free conditional x86/ldt: Plug memory leak in error path x86/mm: Remove preempt_disable/enable() from __native_flush_tlb() x86/smpboot: Remove stale TLB flush invocations objtool: Fix seg fault with clang-compiled objects objtool: Fix seg fault caused by missing parameter kbuild: add '-fno-stack-check' to kernel build options timerqueue: Document return values of timerqueue_add/del() timers: Invoke timer_start_debug() where it makes sense nohz: Prevent a timer interrupt storm in tick_nohz_stop_sched_tick() timers: Reinitialize per cpu bases on hotplug timers: Use deferrable base independent of base::nohz_active genirq/msi, x86/vector: Prevent reservation mode for non maskable MSI genirq/irqdomain: Rename early argument of irq_domain_activate_irq() x86/vector: Use IRQD_CAN_RESERVE flag genirq: Introduce IRQD_CAN_RESERVE flag genirq/msi: Handle reactivation only on success gpio: brcmstb: Make really use of the new lockdep class ...
Diffstat (limited to 'lib/timerqueue.c')
-rw-r--r--lib/timerqueue.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/timerqueue.c b/lib/timerqueue.c
index 4a720ed4fdaf..0d54bcbc8170 100644
--- a/lib/timerqueue.c
+++ b/lib/timerqueue.c
@@ -33,8 +33,9 @@
* @head: head of timerqueue
* @node: timer node to be added
*
- * Adds the timer node to the timerqueue, sorted by the
- * node's expires value.
+ * Adds the timer node to the timerqueue, sorted by the node's expires
+ * value. Returns true if the newly added timer is the first expiring timer in
+ * the queue.
*/
bool timerqueue_add(struct timerqueue_head *head, struct timerqueue_node *node)
{
@@ -70,7 +71,8 @@ EXPORT_SYMBOL_GPL(timerqueue_add);
* @head: head of timerqueue
* @node: timer node to be removed
*
- * Removes the timer node from the timerqueue.
+ * Removes the timer node from the timerqueue. Returns true if the queue is
+ * not empty after the remove.
*/
bool timerqueue_del(struct timerqueue_head *head, struct timerqueue_node *node)
{