From: liuj97@gmail.com (Jiang Liu)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 5/7] arm64, jump label: detect %c support for ARM64
Date: Thu, 07 Nov 2013 00:32:54 +0800 [thread overview]
Message-ID: <527A6F36.7030300@gmail.com> (raw)
In-Reply-To: <20131030004927.GD25346@mudshark.cambridge.arm.com>
On 10/30/2013 08:49 AM, Will Deacon wrote:
> 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
>
Thanks for review!
next prev parent reply other threads:[~2013-11-06 16:32 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-18 15:19 [PATCH v5 0/7] Optimize jump label implementation for ARM64 Jiang Liu
2013-10-18 15:19 ` [PATCH v5 1/7] arm64: introduce basic aarch64 instruction decoding helpers Jiang Liu
2013-10-31 17:39 ` Catalin Marinas
2013-11-06 15:10 ` Jiang Liu
2013-10-18 15:19 ` [PATCH v5 2/7] arm64: introduce interfaces to hotpatch kernel and module code Jiang Liu
2013-10-30 0:12 ` Will Deacon
2013-11-03 15:55 ` Jiang Liu
2013-11-04 15:12 ` Sandeepa Prabhu
2013-11-06 10:41 ` Will Deacon
2013-11-06 16:12 ` Jiang Liu
2013-11-06 18:09 ` Will Deacon
2013-11-27 12:20 ` Will Deacon
2013-11-27 15:40 ` Jiang Liu
2013-11-28 22:39 ` AKASHI Takahiro
2013-10-18 15:19 ` [PATCH v5 3/7] arm64: move encode_insn_immediate() from module.c to insn.c Jiang Liu
2013-10-18 15:19 ` [PATCH v5 4/7] arm64: introduce aarch64_insn_gen_{nop|branch_imm}() helper functions Jiang Liu
2013-10-30 0:48 ` Will Deacon
2013-11-06 16:31 ` Jiang Liu
2013-11-06 16:45 ` Steven Rostedt
2013-11-06 18:02 ` Will Deacon
2013-10-18 15:19 ` [PATCH v5 5/7] arm64, jump label: detect %c support for ARM64 Jiang Liu
2013-10-30 0:49 ` Will Deacon
2013-11-06 16:32 ` Jiang Liu [this message]
2013-10-18 15:20 ` [PATCH v5 6/7] arm64, jump label: optimize jump label implementation Jiang Liu
2013-10-30 0:55 ` Will Deacon
2013-11-06 16:38 ` Jiang Liu
2013-10-18 15:20 ` [PATCH v5 7/7] jump_label: use defined macros instead of hard-coding for better readability Jiang Liu
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