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

From: kernel test robot
Date: Wed Feb 08 2023 - 14:12:25 EST


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

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