diff --git a/Makefile b/Makefile
index 5fe5a57d51a6..aea44655c635 100644
--- a/Makefile
+++ b/Makefile
@@ -703,7 +703,7 @@ KBUILD_CFLAGS	+= $(call cc-disable-warning, zero-length-bounds)
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 KBUILD_CFLAGS   += -Os
 else
-KBUILD_CFLAGS   += -O2
+KBUILD_CFLAGS   += -O3
 endif
 
 # Tell gcc to never replace conditional load with a non-conditional one