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-rw-r--r--init/Kconfig12
1 files changed, 10 insertions, 2 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 149efd82447f..92118505dd33 100644
--- 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