diff options
Diffstat (limited to '0024-x86-build-allow-LTO_CLANG-and-THINLTO-to-be-selected.patch')
| -rw-r--r-- | 0024-x86-build-allow-LTO_CLANG-and-THINLTO-to-be-selected.patch | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/0024-x86-build-allow-LTO_CLANG-and-THINLTO-to-be-selected.patch b/0024-x86-build-allow-LTO_CLANG-and-THINLTO-to-be-selected.patch deleted file mode 100644 index 1196a76b0f7d..000000000000 --- a/0024-x86-build-allow-LTO_CLANG-and-THINLTO-to-be-selected.patch +++ /dev/null @@ -1,45 +0,0 @@ -From c4850e7fee85527976519f6d55685706d41cb91b Mon Sep 17 00:00:00 2001 -From: Sami Tolvanen <samitolvanen@google.com> -Date: Wed, 10 Apr 2019 14:17:20 -0700 -Subject: [PATCH 24/24] x86, build: allow LTO_CLANG and THINLTO to be selected - -Allow CONFIG_LTO_CLANG and CONFIG_THINLTO to be enabled. - -Signed-off-by: Sami Tolvanen <samitolvanen@google.com> ---- - arch/x86/Kconfig | 2 ++ - arch/x86/Makefile | 5 +++++ - 2 files changed, 7 insertions(+) - -diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig -index 4a64395bc35d..16f046d5abea 100644 ---- a/arch/x86/Kconfig -+++ b/arch/x86/Kconfig -@@ -92,6 +92,8 @@ config X86 - select ARCH_SUPPORTS_ACPI - select ARCH_SUPPORTS_ATOMIC_RMW - select ARCH_SUPPORTS_NUMA_BALANCING if X86_64 -+ select ARCH_SUPPORTS_LTO_CLANG if X86_64 -+ select ARCH_SUPPORTS_THINLTO if X86_64 - select ARCH_USE_BUILTIN_BSWAP - select ARCH_USE_QUEUED_RWLOCKS - select ARCH_USE_QUEUED_SPINLOCKS -diff --git a/arch/x86/Makefile b/arch/x86/Makefile -index 00e378de8bc0..a1abc1e081ad 100644 ---- a/arch/x86/Makefile -+++ b/arch/x86/Makefile -@@ -188,6 +188,11 @@ ifdef CONFIG_X86_64 - KBUILD_LDFLAGS += $(call ld-option, -z max-page-size=0x200000) - endif - -+ifdef CONFIG_LTO_CLANG -+KBUILD_LDFLAGS += -plugin-opt=-code-model=kernel \ -+ -plugin-opt=-stack-alignment=$(if $(CONFIG_X86_32),4,8) -+endif -+ - # Workaround for a gcc prelease that unfortunately was shipped in a suse release - KBUILD_CFLAGS += -Wno-sign-compare - # --- -2.28.0 - |