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D57897.id.diff
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D57897.id.diff

diff --git a/sys/sys/cpu.h b/sys/sys/cpu.h
--- a/sys/sys/cpu.h
+++ b/sys/sys/cpu.h
@@ -51,6 +51,17 @@
return ((struct pcpu *)v);
}
+/*
+ * Assumes the parent bus sets the CPU_IVAR_PCPU instance variable, which most
+ * CPU buses do. A panic will ensure if not the case. Calling devices should
+ * check for that condition (most probably in their attach function).
+ */
+static __inline u_int
+cpu_get_pcpuid(device_t dev)
+{
+ return (cpu_get_pcpu(dev)->pc_cpuid);
+}
+
static __inline int32_t
cpu_get_nominal_mhz(device_t dev)
{

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