linux-kernel - Re: [PATCH] sparc64/gup: check address scope legitimacy

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Message-ID: <565652D9.7040009@linaro.org>
Date:	Wed, 25 Nov 2015 16:31:21 -0800
From:	"Shi, Yang" <yang.shi@...aro.org>
To:	kbuild test robot <lkp@...el.com>
CC:	kbuild-all@...org, davem@...emloft.net,
	linux-kernel@...r.kernel.org, sparclinux@...r.kernel.org,
	linaro-kernel@...ts.linaro.org
Subject: Re: [PATCH] sparc64/gup: check address scope legitimacy

On 11/25/2015 4:26 PM, kbuild test robot wrote:
> Hi Yang,
>
> [auto build test ERROR on v4.4-rc2]
> [also build test ERROR on next-20151124]
>
> url:    https://github.com/0day-ci/linux/commits/Yang-Shi/sparc64-gup-check-address-scope-legitimacy/20151126-065342
> config: sparc64-allnoconfig (attached as .config)
> reproduce:
>          wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          # save the attached .config to linux build tree
>          make.cross ARCH=sparc64
>
> All errors (new ones prefixed by >>):
>
>     arch/sparc/mm/gup.c: In function 'get_user_pages_fast':
>>> arch/sparc/mm/gup.c:210:3: error: label 'slow_irqon' used but not defined
>        goto slow_irqon;

Already fixed in v2.

Thanks,
Yang

>        ^
>
> vim +/slow_irqon +210 arch/sparc/mm/gup.c
>
>     204	
>     205		start &= PAGE_MASK;
>     206		addr = start;
>     207		len = (unsigned long) nr_pages << PAGE_SHIFT;
>     208		end = start + len;
>     209		if (end < start)
>   > 210			goto slow_irqon;
>     211	
>     212		/*
>     213		 * XXX: batch / limit 'nr', to avoid large irq off latency
>
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
>

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