Update: Optimize level config

LeeDroid- · May 15, 2011 · 045ef8c · 045ef8c
1 parent 58d7e28
commit 045ef8c
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Showing 2 changed files with 17 additions and 7 deletions.
diff --git a/Makefile b/Makefile
@@ -532,9 +532,13 @@ all: vmlinux
 
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 KBUILD_CFLAGS	+= -Os
-else
+endif
+ifdef CONFIG_CC_OPTIMIZE_DEFAULT
 KBUILD_CFLAGS	+= -O2
 endif
+ifdef CONFIG_CC_OPTIMIZE_ALOT
+KBUILD_CFLAGS	+= -O3
+endif
 
 include $(srctree)/arch/$(SRCARCH)/Makefile
 

diff --git a/init/Kconfig b/init/Kconfig
@@ -771,14 +771,20 @@ source "usr/Kconfig"
 
 endif
 
+choice
+  prompt "Optimization level"
+  default CC_OPTIMIZE_DEFAULT
+
 config CC_OPTIMIZE_FOR_SIZE
-	bool "Optimize for size"
-	default y
-	help
-	  Enabling this option will pass "-Os" instead of "-O2" to gcc
-	  resulting in a smaller kernel.
+	bool "Use -Os"
 
-	  If unsure, say Y.
+config CC_OPTIMIZE_DEFAULT
+	bool "Use -O2"
+
+config CC_OPTIMIZE_ALOT
+	bool "Use -O3"
+
+endchoice
 
 config SYSCTL
 	bool