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    SubjectRe: [PATCH kernel v4 6/8] genirq/irqdomain: Move hierarchical IRQ cleanup to kobject_release
    Hi Alexey,

    Thank you for the patch! Yet something to improve:

    [auto build test ERROR on linux/master]
    [also build test ERROR on linus/master v5.10-rc5 next-20201123]
    [cannot apply to tip/irq/core tip/x86/core]
    [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/Alexey-Kardashevskiy/genirq-irqdomain-Add-reference-counting-to-IRQs/20201124-142727
    base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 09162bc32c880a791c6c0668ce0745cf7958f576
    config: alpha-randconfig-r013-20201124 (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/50199be6fbdf9f1f27ff037a6bd6c602e57f7a5f
    git remote add linux-review https://github.com/0day-ci/linux
    git fetch --no-tags linux-review Alexey-Kardashevskiy/genirq-irqdomain-Add-reference-counting-to-IRQs/20201124-142727
    git checkout 50199be6fbdf9f1f27ff037a6bd6c602e57f7a5f
    # 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 <lkp@intel.com>

    All errors (new ones prefixed by >>):

    kernel/irq/irqdomain.c: In function 'irq_dispose_mapping':
    >> kernel/irq/irqdomain.c:868:19: error: 'struct irq_desc' has no member named 'kobj'
    868 | kobject_put(&desc->kobj);
    | ^~
    kernel/irq/irqdomain.c: In function 'irq_domain_free_irqs':
    kernel/irq/irqdomain.c:1685:20: error: 'struct irq_desc' has no member named 'kobj'
    1685 | kobject_put(&desc->kobj);
    | ^~
    kernel/irq/irqdomain.c: At top level:
    kernel/irq/irqdomain.c:1907:13: warning: no previous prototype for 'irq_domain_debugfs_init' [-Wmissing-prototypes]
    1907 | void __init irq_domain_debugfs_init(struct dentry *root)
    | ^~~~~~~~~~~~~~~~~~~~~~~

    vim +868 kernel/irq/irqdomain.c

    859
    860 /**
    861 * irq_dispose_mapping() - Unmap an interrupt
    862 * @virq: linux irq number of the interrupt to unmap
    863 */
    864 void irq_dispose_mapping(unsigned int virq)
    865 {
    866 struct irq_desc *desc = irq_to_desc(virq);
    867
    > 868 kobject_put(&desc->kobj);
    869 }
    870 EXPORT_SYMBOL_GPL(irq_dispose_mapping);
    871

    ---
    0-DAY CI Kernel Test Service, Intel Corporation
    https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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