Messages in this thread Patch in this message | | | From | Nathan Chancellor <> | Subject | [PATCH] x86/build: Move '-mindirect-branch-cs-prefix' out of GCC-only block | Date | Wed, 17 Aug 2022 11:54:11 -0700 |
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LLVM 16 will have support for this flag so move it out of the GCC-only block to allow LLVM builds to take advantage of it.
Link: https://github.com/ClangBuiltLinux/linux/issues/1665 Link: https://github.com/llvm/llvm-project/commit/6f867f9102838ebe314c1f3661fdf95700386e5a Signed-off-by: Nathan Chancellor <nathan@kernel.org> ---
I was not sure if this information is relevant for the commit message but I can boot without any issues on my test machines (two Intel and one AMD).
arch/x86/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 7854685c5f25..987da87c7778 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -14,13 +14,13 @@ endif ifdef CONFIG_CC_IS_GCC RETPOLINE_CFLAGS := $(call cc-option,-mindirect-branch=thunk-extern -mindirect-branch-register) -RETPOLINE_CFLAGS += $(call cc-option,-mindirect-branch-cs-prefix) RETPOLINE_VDSO_CFLAGS := $(call cc-option,-mindirect-branch=thunk-inline -mindirect-branch-register) endif ifdef CONFIG_CC_IS_CLANG RETPOLINE_CFLAGS := -mretpoline-external-thunk RETPOLINE_VDSO_CFLAGS := -mretpoline endif +RETPOLINE_CFLAGS += $(call cc-option,-mindirect-branch-cs-prefix) ifdef CONFIG_RETHUNK RETHUNK_CFLAGS := -mfunction-return=thunk-extern base-commit: 568035b01cfb107af8d2e4bd2fb9aea22cf5b868 -- 2.37.2
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