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x86/build: Remove cc-option from -mskip-rax-setup

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This has been supported in GCC since 5.1 and clang since 14.0. Now that x86
requires LLVM 15 or newer since

  7861640aac ("x86/build: Raise the minimum LLVM version to 15.0.0"),

this flag can be unconditionally added, saving a compiler invocation.

Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=fbe575b652f5bdcc459f447a0e6f0e059996d4ef
Link: a9fba2be35
Link: https://lore.kernel.org/20250814-x86-min-ver-cleanups-v1-5-ff7f19457523@kernel.org
This commit is contained in:
Nathan Chancellor 2025-08-14 18:31:41 -07:00 committed by Borislav Petkov (AMD)
parent 0a42d732c1
commit 337927d989
1 changed files with 1 additions and 1 deletions
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2
arch/x86/Makefile
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@ -160,7 +160,7 @@ else
KBUILD_CFLAGS += $(cc_stack_align8)
# Use -mskip-rax-setup if supported.
KBUILD_CFLAGS += $(call cc-option,-mskip-rax-setup)
KBUILD_CFLAGS += -mskip-rax-setup
ifdef CONFIG_X86_NATIVE_CPU
KBUILD_CFLAGS += -march=native