Commit a75bb4eb authored by Matthias Kaehlcke's avatar Matthias Kaehlcke Committed by Masahiro Yamada

Revert "kbuild: use -Oz instead of -Os when using clang"

The clang option -Oz enables *aggressive* optimization for size,
which doesn't necessarily result in smaller images, but can have
negative impact on performance. Switch back to the less aggressive
-Os.

This reverts commit 6748cb3c.
Suggested-by: 's avatarPeter Zijlstra <peterz@infradead.org>
Signed-off-by: 's avatarMatthias Kaehlcke <mka@chromium.org>
Reviewed-by: 's avatarNick Desaulniers <ndesaulniers@google.com>
Signed-off-by: 's avatarMasahiro Yamada <yamada.masahiro@socionext.com>
parent 9e98c678
......@@ -677,7 +677,7 @@ KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow)
KBUILD_CFLAGS += $(call cc-disable-warning, int-in-bool-context)
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
KBUILD_CFLAGS += $(call cc-option,-Oz,-Os)
KBUILD_CFLAGS += -Os
else
KBUILD_CFLAGS += -O2
endif
......
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