tasklet_kill_immediate() is no longer used, just remove it.
Signed-off-by: Xiaotian Feng <dannyf...@tencent.com>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: "Paul E. McKenney" <paul...@linux.vnet.ibm.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Josh Triplett <j...@joshtriplett.org>
---
kernel/softirq.c | 32 --------------------------------
1 file changed, 32 deletions(-)
diff --git a/kernel/softirq.c b/kernel/softirq.c
index cc96bdc..61abd86 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -762,38 +762,6 @@ static void run_ksoftirqd(unsigned int cpu)
}
#ifdef CONFIG_HOTPLUG_CPU
-/*
- * tasklet_kill_immediate is called to remove a tasklet which can already be
- * scheduled for execution on @cpu.
- *
- * Unlike tasklet_kill, this function removes the tasklet
- * _immediately_, even if the tasklet is in TASKLET_STATE_SCHED state.
- *
- * When this function is called, @cpu must be in the CPU_DEAD state.
- */
-void tasklet_kill_immediate(struct tasklet_struct *t, unsigned int cpu)
-{
- struct tasklet_struct **i;
-
- BUG_ON(cpu_online(cpu));
- BUG_ON(test_bit(TASKLET_STATE_RUN, &t->state));
-
- if (!test_bit(TASKLET_STATE_SCHED, &t->state))
- return;
-
- /* CPU is dead, so no lock needed. */
- for (i = &per_cpu(tasklet_vec, cpu).head; *i; i = &(*i)->next) {
- if (*i == t) {
- *i = t->next;
- /* If this was the tail element, move the tail ptr */
- if (*i == NULL)
- per_cpu(tasklet_vec, cpu).tail = i;
- return;
- }
- }
- BUG();
-}
-
static void takeover_tasklets(unsigned int cpu)
{
/* CPU is dead, so no lock needed. */
--
1.7.9.5
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