Hi Nicholas, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on net-next/master] [also build test WARNING on net/master linus/master sparc-next/master v5.14-rc5 next-20210809] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Nicholas-Richardson/Add-IMIX-mod... base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 2a2b6e3640c43a808dcb5226963e2cc0669294b1 config: mips-gpr_defconfig (attached as .config) compiler: mips-linux-gcc (GCC) 10.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/67c74be329532a95c7203e4124788c368... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Nicholas-Richardson/Add-IMIX-mode/20210810-012443 git checkout 67c74be329532a95c7203e4124788c36841e0517 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash net/core/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 489 | static void fill_imix_distribution(struct pktgen_dev *pkt_dev); | ^~~~~~~~~~~~~~~~~~~~~~ net/core/pktgen.c:211:38: warning: 'F_IPSEC' defined but not used [-Wunused-const-variable=] 211 | #define pf(flag) static const __u32 F_##flag = (1<<flag##_SHIFT); | ^~ net/core/pktgen.c:197:2: note: in expansion of macro 'pf' 197 | pf(IPSEC) /* ipsec on for flows */ \ | ^~ net/core/pktgen.c:212:1: note: in expansion of macro 'PKT_FLAGS' 212 | PKT_FLAGS | ^~~~~~~~~ vim +/fill_imix_distribution +489 net/core/pktgen.c 486 487 static void pktgen_stop(struct pktgen_thread *t); 488 static void pktgen_clear_counters(struct pktgen_dev *pkt_dev); 490 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org