From: Arnd Bergmann <arnd@arndb.de>
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>
Subject: Re: [PATCH v6 3/4] compiler.h: Allow arch-specific overrides
Date: Thu, 9 Aug 2018 20:08:59 +0200 [thread overview]
Message-ID: <CAK8P3a2AxGr2_r2jsrf3S+xAqaszXGozWwV7tc16VjmP6yx3fg@mail.gmail.com> (raw)
In-Reply-To: <20180809174444.31705-4-paul.burton@mips.com>
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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next prev parent reply other threads:[~2018-08-09 18:09 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-09 17:44 [PATCH v6 0/4] MIPS: Override barrier_before_unreachable() to fix microMIPS Paul Burton
2018-08-09 17:44 ` [PATCH v6 1/4] alpha: Use OPTIMIZE_INLINING instead of asm/compiler.h Paul Burton
2018-08-09 17:44 ` [PATCH v6 2/4] um: Add generated/ to MODE_INCLUDE Paul Burton
2018-08-09 17:44 ` [PATCH v6 3/4] compiler.h: Allow arch-specific overrides Paul Burton
2018-08-09 18:08 ` Arnd Bergmann [this message]
2018-08-09 17:44 ` [PATCH v6 4/4] MIPS: Workaround GCC __builtin_unreachable reordering bug Paul Burton
2018-08-09 18:12 ` Arnd Bergmann
2018-08-09 18:56 ` Paul Burton
2018-08-10 17:05 ` [PATCH v7 " Paul Burton
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