D41521.diff
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	diff --git a/sys/dev/hwpmc/hwpmc_mod.c b/sys/dev/hwpmc/hwpmc_mod.c
	--- a/sys/dev/hwpmc/hwpmc_mod.c
	+++ b/sys/dev/hwpmc/hwpmc_mod.c
	@@ -4989,13 +4989,13 @@
	}
	PMC_EPOCH_EXIT();

	- if (!is_using_hwpmcs)
	- return;
	-
	PMC_GET_SX_XLOCK();
	PMCDBG3(PRC,EXT,1,"process-exit proc=%p (%d, %s)", p, p->p_pid,
	p->p_comm);

	+ if (!is_using_hwpmcs)
	+ goto out;
	+
	/*
	* Since this code is invoked by the last thread in an exiting process,
	* we would have context switched IN at some prior point. However, with
	@@ -5116,6 +5116,8 @@
	* If the process owned PMCs, free them up and free up memory.
	*/
	if ((po = pmc_find_owner_descriptor(p)) != NULL) {
	+ if ((po->po_flags & PMC_PO_OWNS_LOGFILE) != 0)
	+ pmclog_close(po);
	pmc_remove_owner(po);
	pmc_destroy_owner_descriptor(po);
	}