D59482.diff
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	diff --git a/sys/arm64/arm64/mp_machdep.c b/sys/arm64/arm64/mp_machdep.c
	--- a/sys/arm64/arm64/mp_machdep.c
	+++ b/sys/arm64/arm64/mp_machdep.c
	@@ -265,7 +265,7 @@

	/* Wait for devices to be ready */
	while (!atomic_load_int(&aps_after_dev))
	- __asm __volatile("wfe");
	+ wfe();

	install_cpu_errata();
	enable_cpu_feat(CPU_FEAT_AFTER_DEV);
	@@ -275,7 +275,7 @@

	/* Wait until we can run the scheduler */
	while (!atomic_load_int(&aps_ready))
	- __asm __volatile("wfe");
	+ wfe();

	/* Initialize curthread */
	KASSERT(PCPU_GET(idlethread) != NULL, ("no idle thread"));
	@@ -508,7 +508,7 @@

	/* Wait for the target CPU to start */
	while (atomic_load_64(&ap_cpuid) != 0)
	- __asm __volatile("wfe");
	+ wfe();

	return (0);
	}
	diff --git a/sys/arm64/include/cpufunc.h b/sys/arm64/include/cpufunc.h
	--- a/sys/arm64/include/cpufunc.h
	+++ b/sys/arm64/include/cpufunc.h
	@@ -165,6 +165,12 @@
	"isb \n");
	}

	+static __inline void
	+wfe(void)
	+{
	+ __asm __volatile("wfe");
	+}
	+
	static __inline void
	wfet(uint64_t val)
	{