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-rw-r--r--sys/ia64/acpica/acpi_machdep.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/ia64/acpica/acpi_machdep.c b/sys/ia64/acpica/acpi_machdep.c
index b7b612f..1466cfe 100644
--- a/sys/ia64/acpica/acpi_machdep.c
+++ b/sys/ia64/acpica/acpi_machdep.c
@@ -56,7 +56,14 @@ acpi_machdep_quirks(int *quirks)
void
acpi_cpu_c1()
{
+#ifdef INVARIANTS
+ register_t ie;
+
+ ie = intr_disable();
+ KASSERT(ie == 0, ("%s called with interrupts enabled\n", __func__));
+#endif
ia64_call_pal_static(PAL_HALT_LIGHT, 0, 0, 0);
+ ia64_enable_intr();
}
void *
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