x86: add comments about the binutils version to support code in as-instr
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"). We have these as-instr tests because binutils 2.21 does not support them. When we bump the binutils version next time, this will be a good hint to find out which one can be dropped. As for the Clang/LLVM builds, we require very new LLVM version, so the LLVM integrated assembler supports all of them. Signed-off-by:Masahiro Yamada <masahiroy@kernel.org> Acked-by:
Jason A. Donenfeld <Jason@zx2c4.com> Acked-by:
Ingo Molnar <mingo@kernel.org> Acked-by:
Nick Desaulniers <ndesaulniers@google.com>
parent
5e8ebd84
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