D61547.1794761773.diff
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	diff --git a/sys/dev/acpica/Osd/OsdSchedule.c b/sys/dev/acpica/Osd/OsdSchedule.c
	--- a/sys/dev/acpica/Osd/OsdSchedule.c
	+++ b/sys/dev/acpica/Osd/OsdSchedule.c
	@@ -88,8 +88,6 @@

	struct taskqueue *acpi_taskq;
	static struct acpi_task_ctx *acpi_tasks;
	-/* Unsynchronized as only useful in the mono-CPU startup phase. */
	-static int acpi_task_count;
	static int acpi_taskq_started;

	/*
	@@ -117,7 +115,7 @@
	static void
	acpi_taskq_init(void *arg)
	{
	- int i;
	+ int boot_tasks_nb, i;

	acpi_taskq = taskqueue_create_fast("acpi_task", M_WAITOK,
	&taskqueue_thread_enqueue, &acpi_taskq);
	@@ -127,10 +125,10 @@

	taskqueue_start_threads(&acpi_taskq, acpi_max_threads, PWAIT, "acpi_task");

	- if (acpi_task_count > 0) {
	+ boot_tasks_nb = atomic_load_int(&acpi_boot_tasks_nb);
	+ if (boot_tasks_nb > 0) {
	if (bootverbose)
	- printf("AcpiOsExecute: enqueue %d pending tasks\n",
	- acpi_task_count);
	+ printf("AcpiOsExecute: enqueue %d pending tasks\n", boot_tasks_nb);
	for (i = 0; i < acpi_max_tasks; i++)
	if (atomic_cmpset_int(&acpi_tasks[i].at_flag, ACPI_TASK_USED,
	ACPI_TASK_USED \| ACPI_TASK_ENQUEUED))
	@@ -153,7 +151,6 @@
	at = (struct acpi_task_ctx *)context;
	at->at_function(at->at_context);
	atomic_clear_int(&at->at_flag, ACPI_TASK_USED \| ACPI_TASK_ENQUEUED);
	- acpi_task_count--;
	}

	static ACPI_STATUS
	@@ -168,7 +165,6 @@
	if (atomic_cmpset_int(&acpi_tasks[i].at_flag, ACPI_TASK_FREE,
	ACPI_TASK_USED)) {
	at = &acpi_tasks[i];
	- acpi_task_count++;
	break;
	}