1 files changed, 1 insertions, 0 deletions
diff --git a/x86.h b/x86.h
index a24214d..a1c66b5 100644
--- a/x86.h
+++ b/x86.h
@@ -96,6 +96,7 @@ write_eflags(uint eflags)
   asm volatile("pushl %0; popfl" : : "r" (eflags));
 }
 
+// XXX: Kill this if not used.
 static inline void
 cpuid(uint info, uint *eaxp, uint *ebxp, uint *ecxp, uint *edxp)
 {