Konstantin Demin
8cbaf1dea2
3rd patchs (in alphabetical order): - bbr3 - ntsync5 - openwrt - pf-kernel - xanmod - zen no configuration changes for now
41 lines
1.3 KiB
Diff
41 lines
1.3 KiB
Diff
From 8dc948926f5b68b16a6a47a8f6e0a2154ac8ef3e Mon Sep 17 00:00:00 2001
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From: "Jan Alexander Steffens (heftig)" <heftig@archlinux.org>
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Date: Sun, 11 Dec 2022 23:51:16 +0100
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Subject: ZEN: Restore CONFIG_OPTIMIZE_FOR_PERFORMANCE_O3
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This reverts a6036a41bffba3d5007e377483b425d470ad8042 (kbuild: drop
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support for CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3), removes the
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dependency on CONFIG_ARC and adds RUSTFLAGS.
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---
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Makefile | 3 +++
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init/Kconfig | 6 ++++++
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2 files changed, 9 insertions(+)
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--- a/Makefile
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+++ b/Makefile
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@@ -814,6 +814,9 @@ KBUILD_CFLAGS += -fno-delete-null-pointe
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ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE
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KBUILD_CFLAGS += -O2
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KBUILD_RUSTFLAGS += -Copt-level=2
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+else ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3
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+KBUILD_CFLAGS += -O3
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+KBUILD_RUSTFLAGS += -Copt-level=3
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else ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
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KBUILD_CFLAGS += -Os
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KBUILD_RUSTFLAGS += -Copt-level=s
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--- a/init/Kconfig
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+++ b/init/Kconfig
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@@ -1407,6 +1407,12 @@ config CC_OPTIMIZE_FOR_PERFORMANCE
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with the "-O2" compiler flag for best performance and most
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helpful compile-time warnings.
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+config CC_OPTIMIZE_FOR_PERFORMANCE_O3
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+ bool "Optimize more for performance (-O3)"
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+ help
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+ Choosing this option will pass "-O3" to your compiler to optimize
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+ the kernel yet more for performance.
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+
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config CC_OPTIMIZE_FOR_SIZE
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bool "Optimize for size (-Os)"
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help
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