linux-kernel - Re: [PATCH] scripts/Makefile.clang: default to LLVM

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Message-ID: <YQicuh/Qtj0AfxdK@casper.infradead.org>
Date:   Tue, 3 Aug 2021 02:32:42 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Khem Raj <raj.khem@...il.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Jonathan Corbet <corbet@....net>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        clang-built-linux@...glegroups.com, linux-kbuild@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH] scripts/Makefile.clang: default to LLVM_IAS=1

On Mon, Aug 02, 2021 at 04:43:03PM -0700, Nick Desaulniers wrote:
> +++ b/Documentation/kbuild/llvm.rst
> @@ -60,17 +60,14 @@ They can be enabled individually. The full list of the parameters: ::
>  	  OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump READELF=llvm-readelf \
>  	  HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar HOSTLD=ld.lld
>  
> -Currently, the integrated assembler is disabled by default. You can pass
> -``LLVM_IAS=1`` to enable it.
> +Currently, the integrated assembler is enabled by default. You can pass
> +``LLVM_IAS=0`` to disable it.

I'd drop the "Currently,".  This is presumably going to be the default
going forward unless there's some horrible unforeseen problem.  The
"Currently," implies that we're planning on changing it.