Re: [PATCH 1/1] ice: Change assigning method of the CPU affinity masks

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Hi Pawel,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on tnguy-next-queue/dev-queue]
[also build test WARNING on linus/master v6.2-rc7]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Pawel-Chmielewski/ice-Change-assigning-method-of-the-CPU-affinity-masks/20230208-234144
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git dev-queue
patch link:    https://lore.kernel.org/r/20230208153905.109912-1-pawel.chmielewski%40intel.com
patch subject: [PATCH 1/1] ice: Change assigning method of the CPU affinity masks
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230209/202302090307.GQOJ4jik-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/33971c3245ae75900dbc4cc9aa2b76ff9cdb534c
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Pawel-Chmielewski/ice-Change-assigning-method-of-the-CPU-affinity-masks/20230208-234144
        git checkout 33971c3245ae75900dbc4cc9aa2b76ff9cdb534c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/20230208153905.109912-1-pawel.chmielewski@xxxxxxxxx

All warnings (new ones prefixed by >>):

   drivers/net/ethernet/intel/ice/ice_base.c: In function 'ice_vsi_alloc_q_vectors':
   drivers/net/ethernet/intel/ice/ice_base.c:678:9: error: implicit declaration of function 'for_each_numa_hop_mask'; did you mean 'for_each_node_mask'? [-Werror=implicit-function-declaration]
     678 |         for_each_numa_hop_mask(aff_mask, numa_node) {
         |         ^~~~~~~~~~~~~~~~~~~~~~
         |         for_each_node_mask
   drivers/net/ethernet/intel/ice/ice_base.c:678:52: error: expected ';' before '{' token
     678 |         for_each_numa_hop_mask(aff_mask, numa_node) {
         |                                                    ^~
         |                                                    ;
>> drivers/net/ethernet/intel/ice/ice_base.c:663:20: warning: unused variable 'cpu' [-Wunused-variable]
     663 |         u16 v_idx, cpu = 0;
         |                    ^~~
>> drivers/net/ethernet/intel/ice/ice_base.c:660:31: warning: unused variable 'last_aff_mask' [-Wunused-variable]
     660 |         cpumask_t *aff_mask, *last_aff_mask = cpu_none_mask;
         |                               ^~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/cpu +663 drivers/net/ethernet/intel/ice/ice_base.c

   650	
   651	/**
   652	 * ice_vsi_alloc_q_vectors - Allocate memory for interrupt vectors
   653	 * @vsi: the VSI being configured
   654	 *
   655	 * We allocate one q_vector per queue interrupt. If allocation fails we
   656	 * return -ENOMEM.
   657	 */
   658	int ice_vsi_alloc_q_vectors(struct ice_vsi *vsi)
   659	{
 > 660		cpumask_t *aff_mask, *last_aff_mask = cpu_none_mask;
   661		struct device *dev = ice_pf_to_dev(vsi->back);
   662		int numa_node = dev->numa_node;
 > 663		u16 v_idx, cpu = 0;
   664		int err;
   665	
   666		if (vsi->q_vectors[0]) {
   667			dev_dbg(dev, "VSI %d has existing q_vectors\n", vsi->vsi_num);
   668			return -EEXIST;
   669		}
   670	
   671		for (v_idx = 0; v_idx < vsi->num_q_vectors; v_idx++) {
   672			err = ice_vsi_alloc_q_vector(vsi, v_idx);
   673			if (err)
   674				goto err_out;
   675		}
   676	
   677		v_idx = 0;
 > 678		for_each_numa_hop_mask(aff_mask, numa_node) {
   679			for_each_cpu_andnot(cpu, aff_mask, last_aff_mask)
   680				if (v_idx < vsi->num_q_vectors) {
   681					if (cpu_online(cpu))
   682						cpumask_set_cpu(cpu, &vsi->q_vectors[v_idx]->affinity_mask);
   683					v_idx++;
   684				}
   685			last_aff_mask = aff_mask;
   686		}
   687	
   688		return 0;
   689	
   690	err_out:
   691		while (v_idx--)
   692			ice_free_q_vector(vsi, v_idx);
   693	
   694		dev_err(dev, "Failed to allocate %d q_vector for VSI %d, ret=%d\n",
   695			vsi->num_q_vectors, vsi->vsi_num, err);
   696		vsi->num_q_vectors = 0;
   697		return err;
   698	}
   699	

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



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