diff options
Diffstat (limited to '0002-kbuild-Rollback-required-CLANG-version-to-10-for-LTO.patch')
| -rw-r--r-- | 0002-kbuild-Rollback-required-CLANG-version-to-10-for-LTO.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/0002-kbuild-Rollback-required-CLANG-version-to-10-for-LTO.patch b/0002-kbuild-Rollback-required-CLANG-version-to-10-for-LTO.patch new file mode 100644 index 000000000000..ac45406c710c --- /dev/null +++ b/0002-kbuild-Rollback-required-CLANG-version-to-10-for-LTO.patch @@ -0,0 +1,42 @@ +From 846915b6d07f53349de1e097b7143856619f34e0 Mon Sep 17 00:00:00 2001 +From: Luca Stefani <luca.stefani.ge1@gmail.com> +Date: Tue, 4 Aug 2020 18:01:47 +0200 +Subject: [PATCH 2/2] kbuild: Rollback required CLANG version to 10 for LTO + +* ARM64 still requires CLANG 11 to fix https://github.com/ClangBuiltLinux/linux/issues/510 + +Signed-off-by: Luca Stefani <luca.stefani.ge1@gmail.com> +--- + arch/Kconfig | 2 +- + arch/arm64/Kconfig | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/arch/Kconfig b/arch/Kconfig +index 694bfdc2073f..54f6a55180ca 100644 +--- a/arch/Kconfig ++++ b/arch/Kconfig +@@ -595,7 +595,7 @@ config LTO_NONE + config LTO_CLANG + bool "Clang's Link Time Optimization (EXPERIMENTAL)" + # https://github.com/ClangBuiltLinux/linux/issues/510 +- depends on CC_IS_CLANG && CLANG_VERSION >= 110000 && LD_IS_LLD ++ depends on CC_IS_CLANG && CLANG_VERSION >= 100000 && LD_IS_LLD + depends on $(success,$(NM) --help | head -n 1 | grep -qi llvm) + depends on $(success,$(AR) --help | head -n 1 | grep -qi llvm) + depends on ARCH_SUPPORTS_LTO_CLANG +diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig +index c9fb665b62b5..1883f42e341c 100644 +--- a/arch/arm64/Kconfig ++++ b/arch/arm64/Kconfig +@@ -73,7 +73,7 @@ config ARM64 + select ARCH_SUPPORTS_MEMORY_FAILURE + select ARCH_SUPPORTS_SHADOW_CALL_STACK if CC_HAVE_SHADOW_CALL_STACK + select ARCH_SUPPORTS_LTO_CLANG +- select ARCH_SUPPORTS_THINLTO ++ select ARCH_SUPPORTS_THINLTO if CLANG_VERSION >= 110000 + select ARCH_SUPPORTS_ATOMIC_RMW + select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && (GCC_VERSION >= 50000 || CC_IS_CLANG) + select ARCH_SUPPORTS_NUMA_BALANCING +-- +2.28.0 + |