Hi Shay, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on net-next/master] [also build test WARNING on linus/master v5.12-rc2 next-20210309] [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/Shay-Agroskin/Introduce-ENA-local-page-cache/20210310-011341 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git d310ec03a34e92a77302edb804f7d68ee4f01ba0 config: alpha-allyesconfig (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 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/643de8f7294f534acc2cc26e4b2fa27147467cd4 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Shay-Agroskin/Introduce-ENA-local-page-cache/20210310-011341 git checkout 643de8f7294f534acc2cc26e4b2fa27147467cd4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/net/ethernet/amazon/ena/ena_netdev.c: In function 'ena_is_lpc_supported': >> drivers/net/ethernet/amazon/ena/ena_netdev.c:2799:12: warning: assignment left-hand side might be a candidate for a format attribute [-Wsuggest-attribute=format] 2799 | print_log = (error_print) ? netdev_err : netdev_info; | ^ vim +2799 drivers/net/ethernet/amazon/ena/ena_netdev.c 2791 2792 static bool ena_is_lpc_supported(struct ena_adapter *adapter, 2793 struct ena_ring *rx_ring, 2794 bool error_print) 2795 { 2796 void (*print_log)(const struct net_device *dev, const char *format, ...); 2797 int channels_nr = adapter->num_io_queues + adapter->xdp_num_queues; 2798 > 2799 print_log = (error_print) ? netdev_err : netdev_info; 2800 2801 /* LPC is disabled below min number of channels */ 2802 if (channels_nr < ENA_LPC_MIN_NUM_OF_CHANNELS) { 2803 print_log(adapter->netdev, 2804 "Local page cache is disabled for less than %d channels\n", 2805 ENA_LPC_MIN_NUM_OF_CHANNELS); 2806 2807 return false; 2808 } 2809 2810 /* The driver doesn't support page caches under XDP */ 2811 if (ena_xdp_present_ring(rx_ring)) { 2812 print_log(adapter->netdev, 2813 "Local page cache is disabled when using XDP\n"); 2814 return false; 2815 } 2816 2817 return true; 2818 } 2819 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org