netdev - Re: [net-next] tcp: Use per-vma locking for receive zerocopy

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Message-ID: <202306160941.CgtiNISL-lkp@intel.com>
Date: Fri, 16 Jun 2023 09:25:18 +0800
From: kernel test robot <lkp@...el.com>
To: Arjun Roy <arjunroy.kdev@...il.com>, netdev@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	arjunroy@...gle.com, edumazet@...gle.com, soheil@...gle.com
Subject: Re: [net-next] tcp: Use per-vma locking for receive zerocopy

Hi Arjun,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Arjun-Roy/tcp-Use-per-vma-locking-for-receive-zerocopy/20230616-025823
base:   net-next/main
patch link:    https://lore.kernel.org/r/20230615185516.3738855-2-arjunroy.kdev%40gmail.com
patch subject: [net-next] tcp: Use per-vma locking for receive zerocopy
config: s390-randconfig-r026-20230615 (https://download.01.org/0day-ci/archive/20230616/202306160941.CgtiNISL-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        git remote add net-next https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
        git fetch net-next main
        git checkout net-next/main
        b4 shazam https://lore.kernel.org/r/20230615185516.3738855-2-arjunroy.kdev@gmail.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=s390 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306160941.CgtiNISL-lkp@intel.com/

All errors (new ones prefixed by >>):

   s390x-linux-ld: mm/memory.o: in function `lock_vma_under_rcu':
>> memory.c:(.text+0x9784): undefined reference to `tcp_vm_ops'
   s390x-linux-ld: drivers/dma/qcom/hidma.o: in function `hidma_probe':
   hidma.c:(.text+0x3e): undefined reference to `devm_ioremap_resource'
   s390x-linux-ld: hidma.c:(.text+0x96): undefined reference to `devm_ioremap_resource'
   s390x-linux-ld: drivers/net/ethernet/altera/altera_tse_main.o: in function `altera_tse_probe':
   altera_tse_main.c:(.text+0x12c): undefined reference to `devm_ioremap'
   s390x-linux-ld: altera_tse_main.c:(.text+0x28a): undefined reference to `devm_ioremap'
   s390x-linux-ld: altera_tse_main.c:(.text+0x316): undefined reference to `devm_ioremap'
   s390x-linux-ld: drivers/net/ethernet/altera/altera_tse_main.o: in function `request_and_map':
   altera_tse_main.c:(.text+0x688): undefined reference to `devm_ioremap'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki