D19925.id56252.diff
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D19925.id56252.diff
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	Index: sys/kern/subr_epoch.c
	===================================================================
	--- sys/kern/subr_epoch.c
	+++ sys/kern/subr_epoch.c
	@@ -579,6 +579,17 @@
	callback(ctx);
	}

	+void
	+epoch_call_drain(epoch_t epoch)
	+{
	+ int cpu;
	+
	+ CPU_FOREACH(cpu) {
	+ gtaskqueue_drain_all(
	+ (DPCPU_ID_PTR(cpu, epoch_cb_task))->gt_taskqueue);
	+ }
	+}
	+
	static void
	epoch_call_task(void *arg __unused)
	{
	Index: sys/sys/epoch.h
	===================================================================
	--- sys/sys/epoch.h
	+++ sys/sys/epoch.h
	@@ -70,6 +70,7 @@
	void epoch_wait(epoch_t epoch);
	void epoch_wait_preempt(epoch_t epoch);
	void epoch_call(epoch_t epoch, epoch_context_t ctx, void (*callback) (epoch_context_t));
	+void epoch_call_drain(epoch_t epoch);
	int in_epoch(epoch_t epoch);
	int in_epoch_verbose(epoch_t epoch, int dump_onfail);
	DPCPU_DECLARE(int, epoch_cb_count);