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Date: Thu, 07 Nov 2013 00:32:54 +0800 From: Jiang Liu <liuj97@...il.com> To: Will Deacon <will.deacon@....com> CC: Steven Rostedt <rostedt@...dmis.org>, Catalin Marinas <Catalin.Marinas@....com>, Sandeepa Prabhu <sandeepa.prabhu@...aro.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org> Subject: Re: [PATCH v5 5/7] arm64, jump label: detect %c support for ARM64 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@...wei.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@....com> > > The toolchain is being fixed upstream for this, but we should have the check > for older versions. > > Will > Thanks for review! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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