47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
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diff --git a/Makefile b/Makefile
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--- a/Makefile
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+++ b/Makefile
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@@ -442,7 +442,7 @@ endif
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HOSTPKG_CONFIG = pkg-config
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KBUILD_USERHOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes \
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- -O2 -fomit-frame-pointer -std=gnu11
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+ -O3 -fomit-frame-pointer -std=gnu11
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KBUILD_USERCFLAGS := $(KBUILD_USERHOSTCFLAGS) $(USERCFLAGS)
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KBUILD_USERLDFLAGS := $(USERLDFLAGS)
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@@ -474,7 +474,7 @@ endif
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-Wclippy::dbg_macro
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KBUILD_HOSTCFLAGS := $(KBUILD_USERHOSTCFLAGS) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
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-KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
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+KBUILD_HOSTCXXFLAGS := -Wall -O3 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
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KBUILD_HOSTRUSTFLAGS := $(rust_common_flags) -O -Cstrip=debuginfo \
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-Zallow-features= $(HOSTRUSTFLAGS)
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KBUILD_HOSTLDFLAGS := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS)
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@@ -757,7 +757,7 @@ KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow)
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KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
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ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE
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-KBUILD_CFLAGS += -O2
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+KBUILD_CFLAGS += -O3
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KBUILD_RUSTFLAGS += -Copt-level=2
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else ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
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KBUILD_CFLAGS += -Os
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diff --git a/init/Kconfig b/init/Kconfig
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--- a/init/Kconfig
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+++ b/init/Kconfig
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@@ -1401,10 +1401,10 @@ choice
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default CC_OPTIMIZE_FOR_PERFORMANCE
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config CC_OPTIMIZE_FOR_PERFORMANCE
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- bool "Optimize for performance (-O2)"
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+ bool "Optimize for performance (-O3)"
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help
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This is the default optimization level for the kernel, building
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- with the "-O2" compiler flag for best performance and most
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+ with the "-O3" compiler flag for best performance and most
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helpful compile-time warnings.
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config CC_OPTIMIZE_FOR_SIZE
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