.I addr == 0
) the
.I cpuid
-instruction for the current thread. The instruction
-is enabled by default. If disabled,
-any execution of a
+instruction for the current thread.
+The instruction is enabled by default.
+If disabled, any execution of a
.I cpuid
instruction will instead generate a
.B SIGSEGV
-signal. This feature can be used to emulate
+signal.
+This feature can be used to emulate
.I cpuid
results that differ from what the underlying
hardware would have produced (e.g. in a paravirtualization setting).