x86: remove always-defined CONFIG_AS_CFI
CONFIG_AS_CFI was introduced by commit e2414910 ("[PATCH] x86: Detect CFI support in the assembler at runtime"), and extended by commit f0f12d85 ("x86_64: Check for .cfi_rel_offset in CFI probe"). We raise the minimal supported binutils version from time to time. The last bump was commit 1fb12b35 ("kbuild: Raise the minimum required binutils version to 2.21"). I confirmed the code in $(call as-instr,...) can be assembled by the binutils 2.21 assembler and also by LLVM integrated assembler. Remove CONFIG_AS_CFI, which is always defined. Signed-off-by:Masahiro Yamada <masahiroy@kernel.org> Reviewed-by:
Jason A. Donenfeld <Jason@zx2c4.com> Reviewed-by:
Nick Desaulniers <ndesaulniers@google.com> Acked-by:
Ingo Molnar <mingo@kernel.org>
parent
418d6e29
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