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

From: kbuild test robot
Date: Wed Nov 25 2015 - 19:28:07 EST


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;
^

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

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