linux-kernel - Re: [PATCH v2] kbuild: clang: add -no-integrated-as to KBUILD

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Message-ID: <CAK7LNAQOZ-A+JRP1hCmKs1JdN5XsRkWW3OhhRb5-Hj+TMTs7jw@mail.gmail.com>
Date:   Fri, 28 Apr 2017 09:36:32 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     Michal Marek <mmarek@...e.com>, Michael Davidson <md@...gle.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Grant Grundler <grundler@...omium.org>,
        Greg Hackmann <ghackmann@...gle.com>,
        Saleem Abdulrasool <compnerd@...pnerd.org>
Subject: Re: [PATCH v2] kbuild: clang: add -no-integrated-as to KBUILD_[AC]FLAGS

2017-04-26 7:47 GMT+09:00 Matthias Kaehlcke <mka@...omium.org>:
> From: Michael Davidson <md@...gle.com>
>
> The Linux Kernel relies on GCC's acceptance of inline assembly as an
> opaque object which will not have any validation performed on the content.
> The current behaviour in LLVM is to perform validation of the contents by
> means of parsing the input if the MC layer can handle it.
>
> Disable clangs integrated assembler and use the GNU assembler instead.
>
> Wording-mostly-from: Saleem Abdulrasool <compnerd@...pnerd.org>
> Signed-off-by: Michael Davidson <md@...gle.com>
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
> ---


Applied to linux-kbuild/kbuild.  Thanks!


-- 
Best Regards
Masahiro Yamada