Subject: Re: [PATCH V6 3/8] vringh: IOTLB support

From: kbuild test robot <[email-masked]>
Date: Thu, 19 Mar 2020 03:48:06 +0800

Hi Jason,

I love your patch! Yet something to improve:

[auto build test ERROR on vhost/linux-next]
[also build test ERROR on linux/master linus/master v5.6-rc6 next-20200317]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Jason-Wang/vDPA-support/20200318-191435
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: nds32-randconfig-a001-20200318 (attached as .config)
compiler: nds32le-linux-gcc (GCC) 9.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=9.2.0 make.cross ARCH=nds32 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <[email-masked]>

All errors (new ones prefixed by >>):

   nds32le-linux-ld: arch/nds32/kernel/ex-entry.o: in function `common_exception_handler':
   (.text+0xfe): undefined reference to `__trace_hardirqs_off'
   (.text+0xfe): relocation truncated to fit: R_NDS32_25_PCREL_RELA against undefined symbol `__trace_hardirqs_off'
   nds32le-linux-ld: arch/nds32/kernel/ex-exit.o: in function `no_work_pending':
   (.text+0xce): undefined reference to `__trace_hardirqs_off'
   nds32le-linux-ld: (.text+0xd2): undefined reference to `__trace_hardirqs_off'
   nds32le-linux-ld: (.text+0xd6): undefined reference to `__trace_hardirqs_on'
   nds32le-linux-ld: (.text+0xda): undefined reference to `__trace_hardirqs_on'
   nds32le-linux-ld: drivers/vhost/vringh.o: in function `iotlb_translate.isra.0':
>> vringh.c:(.text+0xa68): undefined reference to `vhost_iotlb_itree_first'
>> nds32le-linux-ld: vringh.c:(.text+0xa6c): undefined reference to `vhost_iotlb_itree_first'

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email-masked]