linux-kernel - Re: [PATCH V2 10/11] block-throttle: add a simple idle detection

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Date:   Fri, 16 Sep 2016 09:14:57 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Shaohua Li <shli@...com>
Cc:     kbuild-all@...org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, axboe@...com, Kernel-team@...com,
        tj@...nel.org, jmoyer@...hat.com, vgoyal@...hat.com
Subject: Re: [PATCH V2 10/11] block-throttle: add a simple idle detection

Hi Shaohua,

[auto build test ERROR on block/for-next]
[also build test ERROR on v4.8-rc6 next-20160915]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/Shaohua-Li/block-throttle-add-high-limit/20160916-042818
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
config: arm-arm5 (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 5.4.0-6) 5.4.0 20160609
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=arm 

All errors (new ones prefixed by >>):

   block/built-in.o: In function `blk_throtl_idle_threshold_show':
>> block/blk-throttle.c:2129: undefined reference to `__aeabi_uldivmod'

vim +2129 block/blk-throttle.c

  2123	}
  2124	
  2125	ssize_t blk_throtl_idle_threshold_show(struct request_queue *q, char *page)
  2126	{
  2127		if (!q->td)
  2128			return -EINVAL;
> 2129		return sprintf(page, "%lluus\n", q->td->idle_ttime_threshold / 1000);
  2130	}
  2131	
  2132	ssize_t blk_throtl_idle_threshold_store(struct request_queue *q,

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Download attachment ".config.gz" of type "application/octet-stream" (27345 bytes)