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From: Arnd Bergmann <arnd@kernel.org>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: Jian Cai <jiancai@google.com>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Manoj Gupta <manojgupta@google.com>,
	Luis Lozano <llozano@google.com>,
	clang-built-linux <clang-built-linux@googlegroups.com>,
	Russell King <linux@armlinux.org.uk>,
	Nathan Chancellor <natechancellor@gmail.com>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] Make iwmmxt.S support Clang's integrated assembler
Date: Thu, 12 Nov 2020 14:06:14 +0100	[thread overview]
Message-ID: <CAK8P3a3Bf8EibVRG36fKg70wTiuvNC7P2XBygTinZWbM6VzU9Q@mail.gmail.com> (raw)
In-Reply-To: <CAMj1kXEAhyTfFZg4_+wTZ5+obQpAzFknC4vR1bNrRG6GpW4D0Q@mail.gmail.com>

On Thu, Nov 12, 2020 at 9:42 AM Ard Biesheuvel <ardb@kernel.org> wrote:

> Although I must admit I am still on the fence when it comes to the
> policy around rewriting perfectly valid code like this to accommodate
> a toolchain that nobody is likely to use to build the code in
> question.
>
> Perhaps we should at least add some rationale to the commit log why
> Clang's integrated assembler is something we should care about?

This is one of the last bits of kernel code that could be compiled but
not assembled with clang. Once all of it works with IAS, we no longer
need to special-case 32-bit Arm in Kbuild, or turn off CONFIG_IWMMXT
when build-testing.

      Arnd

  reply	other threads:[~2020-11-12 13:06 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-09 23:27 [PATCH] ARM: do not assemble iwmmxt.S with LLVM toolchain Jian Cai
2020-04-10  0:01 ` Nick Desaulniers
2020-04-10  0:12   ` Nathan Chancellor
2020-04-10  6:38 ` Sedat Dilek
2020-04-10  7:44   ` Nathan Chancellor
2020-04-10  9:56 ` Arnd Bergmann
2020-04-10 11:15   ` Ard Biesheuvel
2020-04-10 12:33     ` Russell King - ARM Linux admin
2020-04-10 13:09       ` Ard Biesheuvel
2020-04-13 20:45         ` Nick Desaulniers
2020-04-14  8:59           ` Ard Biesheuvel
2020-04-14 18:38             ` Nick Desaulniers
2020-04-14 20:53               ` Kees Cook
2020-04-15 10:32                 ` Ard Biesheuvel
2020-04-15 12:58                   ` Arnd Bergmann
2020-04-15 14:44                     ` Russell King - ARM Linux admin
2020-04-19 11:08                       ` Stefan Agner
2020-04-15 15:44                   ` Kees Cook
2020-04-17 14:12                     ` Masahiro Yamada
2020-04-13 19:23       ` Nick Desaulniers
2020-04-13 21:00         ` Russell King - ARM Linux admin
2020-11-04 20:44           ` Nick Desaulniers
2020-04-13 19:20   ` Nick Desaulniers
2020-04-13 21:15     ` Andrew Lunn
2020-04-10 16:59 ` Andrew Lunn
2020-04-10 18:34   ` Russell King - ARM Linux admin
2020-04-13 19:26     ` Nick Desaulniers
2020-04-13 21:53       ` Russell King - ARM Linux admin
2020-11-07  0:10 ` [PATCH v2] Make iwmmxt.S support Clang's integrated assembler Jian Cai
2020-11-07  8:29   ` Ard Biesheuvel
2020-11-10  1:55     ` Nick Desaulniers
2020-11-10  7:35       ` Ard Biesheuvel
2020-11-10 19:26         ` Nick Desaulniers
     [not found]           ` <CA+SOCLJSSR62VfWhKx9R1cxT-CHXD7RN08eJBYxUH8zzyWos9Q@mail.gmail.com>
2020-11-10 20:11             ` Nick Desaulniers
2020-11-10 20:38               ` Arnd Bergmann
2020-11-10 21:35                 ` Ard Biesheuvel
2020-11-12  8:42   ` Ard Biesheuvel
2020-11-12 13:06     ` Arnd Bergmann [this message]
2020-11-12 20:07   ` [PATCH v3] " Jian Cai
2020-11-17  0:37     ` [PATCH v4] " Jian Cai
2020-11-17  1:20       ` Nick Desaulniers

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