Re: [PATCH 1/7] Makefile, LLVM: add -no-integrated-as to KBUILD_[AC]FLAGS

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Hi Michael,


2017-03-17 9:15 GMT+09:00 Michael Davidson <md@xxxxxxxxxx>:
> Add -no-integrated-as to KBUILD_AFLAGS and KBUILD_CFLAGS
> for clang.

>From the code-diff, it is apparent that
you added -no-integrated-as.

Rather, I'd like to see "why" in the git-log.

Obviously, clang needs this patch to build the kernel,
but can you describe the reason why the integrated assembler is bad?

With git-log reworded, I will pick up this shortly.

Thanks!



> Signed-off-by: Michael Davidson <md@xxxxxxxxxx>
> ---
>  Makefile | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/Makefile b/Makefile
> index b841fb36beb2..b21fd0ca2946 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -704,6 +704,8 @@ KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
>  # See modpost pattern 2
>  KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
>  KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
> +KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
> +KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
>  else
>
>  # These warnings generated too much noise in a regular build.







-- 
Best Regards
Masahiro Yamada




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