linux-kernel - Re: [PATCH] genirq: Own affinity hint

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Message-ID: <202310262054.v57mGz1Z-lkp@intel.com>
Date:   Thu, 26 Oct 2023 20:34:37 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jakub Sitnicki <jakub@...udflare.com>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org, kernel-team@...udflare.com,
        Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Subject: Re: [PATCH] genirq: Own affinity hint

Hi Jakub,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tip/irq/core]
[also build test WARNING on linus/master v6.6-rc7 next-20231026]
[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/Jakub-Sitnicki/genirq-Own-affinity-hint/20231026-001606
base:   tip/irq/core
patch link:    https://lore.kernel.org/r/20231025141517.375378-1-jakub%40cloudflare.com
patch subject: [PATCH] genirq: Own affinity hint
config: mips-malta_kvm_defconfig (https://download.01.org/0day-ci/archive/20231026/202310262054.v57mGz1Z-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231026/202310262054.v57mGz1Z-lkp@intel.com/reproduce)

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/202310262054.v57mGz1Z-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> kernel/irq/irqdesc.c:75:1: warning: unused label 'err_pending_mask' [-Wunused-label]
   err_pending_mask:
   ^~~~~~~~~~~~~~~~~
   1 warning generated.


vim +/err_pending_mask +75 kernel/irq/irqdesc.c

    68	
    69	#ifdef CONFIG_GENERIC_PENDING_IRQ
    70		if (!zalloc_cpumask_var_node(&desc->pending_mask, GFP_KERNEL, node))
    71			goto err_pending_mask;
    72	#endif
    73		return 0;
    74	
  > 75	err_pending_mask:
    76	#ifdef CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK
    77		free_cpumask_var(desc->irq_common_data.effective_affinity);
    78	#endif
    79	err_effective_affinity:
    80		free_cpumask_var(desc->irq_common_data.affinity_hint);
    81	err_affinity_hint:
    82		free_cpumask_var(desc->irq_common_data.affinity);
    83	err_affinity:
    84		return -ENOMEM;
    85	}
    86	

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