From mboxrd@z Thu Jan  1 00:00:00 1970
From: will.deacon@arm.com (Will Deacon)
Date: Wed, 30 Oct 2013 00:49:27 +0000
Subject: [PATCH v5 5/7] arm64, jump label: detect %c support for ARM64
In-Reply-To: <1382109602-27432-6-git-send-email-liuj97@gmail.com>
References: <1382109602-27432-1-git-send-email-liuj97@gmail.com>
 <1382109602-27432-6-git-send-email-liuj97@gmail.com>
Message-ID: <20131030004927.GD25346@mudshark.cambridge.arm.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Fri, Oct 18, 2013 at 04:19:59PM +0100, Jiang Liu wrote:
> From: Jiang Liu <jiang.liu@huawei.com>
> 
> As commit a9468f30b5eac6 "ARM: 7333/2: jump label: detect %c
> support for ARM", this patch detects the same thing for ARM64
> because some ARM64 GCC versions have the same issue.
> 
> Some versions of ARM64 GCC which do support asm goto, do not
> support the %c specifier. Since we need the %c to support jump
> labels on ARM64, detect that too in the asm goto detection script
> to avoid build errors with these versions.

Acked-by: Will Deacon <will.deacon@arm.com>

The toolchain is being fixed upstream for this, but we should have the check
for older versions.

Will