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

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Message-ID: <CAK7LNASq2CdhbybOrdcxBDA7BmF1jfBK6mX2z75MR7DLN3GMwQ@mail.gmail.com>
Date:   Thu, 5 Aug 2021 22:59:47 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Nick Desaulniers <ndesaulniers@...gle.com>,
        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 <clang-built-linux@...glegroups.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:SIFIVE DRIVERS" <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH] scripts/Makefile.clang: default to LLVM_IAS=1

On Tue, Aug 3, 2021 at 10:33 AM Matthew Wilcox <willy@...radead.org> wrote:
>
> 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.

I agree.



-- 
Best Regards
Masahiro Yamada