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From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 9 Aug 2018 20:08:59 +0200
Message-ID: <CAK8P3a2AxGr2_r2jsrf3S+xAqaszXGozWwV7tc16VjmP6yx3fg@mail.gmail.com>
Subject: Re: [PATCH v6 3/4] compiler.h: Allow arch-specific overrides
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To: Paul Burton <paul.burton@mips.com>
Cc: linux-arch <linux-arch@vger.kernel.org>, "open list:RALINK MIPS ARCHITECTURE" <linux-mips@linux-mips.org>, uml-devel <user-mode-linux-devel@lists.sourceforge.net>, Richard Weinberger <richard@nod.at>, Jeff Dike <jdike@addtoit.com>, linux-alpha@vger.kernel.org, linux-um@lists.infradead.org, Ralf Baechle <ralf@linux-mips.org>, Ivan Kokshaysky <ink@jurassic.park.msu.ru>, James Hogan <jhogan@kernel.org>, Matt Turner <mattst88@gmail.com>, Richard Henderson <rth@twiddle.net>

On Thu, Aug 9, 2018 at 7:45 PM Paul Burton <paul.burton@mips.com> wrote:
>
> Include an arch-specific asm/compiler.h and allow for it to define a
> custom version of barrier_before_unreachable(), which is needed to
> workaround several issues on the MIPS architecture.
>
> This patch includes an effectively empty asm-generic implementation of
> asm/compiler.h for all architectures except alpha, arm, arm64, and mips
> (which already have an asm/compiler.h) and leaves the architecture
> specifics to a further patch.
>
> Signed-off-by: Paul Burton <paul.burton@mips.com>
> [jhogan@kernel.org: Forward port and use asm/compiler.h instead of
>  asm/compiler-gcc.h]
> Signed-off-by: James Hogan <jhogan@kernel.org>
> Reviewed-by: Paul Burton <paul.burton@mips.com>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Ralf Baechle <ralf@linux-mips.org>
> Cc: linux-arch@vger.kernel.org
> Cc: linux-mips@linux-mips.org
> Cc: linux-um@lists.infradead.org

Reviewed-by: Arnd Bergmann <arnd@arndb.de>

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