kbuild,arc: add CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3 for ARC

[linux-2.6-block.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index 149efd82447ff1d9d6a5f14cb9a22b1eebebe49d..92118505dd33f4779becf187e0e335ef52d63565 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1209,14 +1209,22 @@ choice
        default CC_OPTIMIZE_FOR_PERFORMANCE
 
 config CC_OPTIMIZE_FOR_PERFORMANCE
-       bool "Optimize for performance"
+       bool "Optimize for performance (-O2)"
        help
          This is the default optimization level for the kernel, building
          with the "-O2" compiler flag for best performance and most
          helpful compile-time warnings.
 
+config CC_OPTIMIZE_FOR_PERFORMANCE_O3
+       bool "Optimize more for performance (-O3)"
+       depends on ARC
+       imply CC_DISABLE_WARN_MAYBE_UNINITIALIZED  # avoid false positives
+       help
+         Choosing this option will pass "-O3" to your compiler to optimize
+         the kernel yet more for performance.
+
 config CC_OPTIMIZE_FOR_SIZE
-       bool "Optimize for size"
+       bool "Optimize for size (-Os)"
        imply CC_DISABLE_WARN_MAYBE_UNINITIALIZED  # avoid false positives
        help
          Choosing this option will pass "-Os" to your compiler resulting