tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 04473ee9ed912a16fff0d8846ad565bbf3d63c77 commit: 3ce0ad7d0b4cb6538fe25fb20ca838c06e3cc516 [3542/3542] mbigen: vtimer mbigen driver support config: arm64-randconfig-001-20251215 (https://download.01.org/0day-ci/archive/20251222/202512221648.01it8GuK-lkp@i...) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 1335a05ab8bc8339ce24be3a9da89d8c3f4e0571) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251222/202512221648.01it8GuK-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512221648.01it8GuK-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/irqchip/irq-mbigen.c:77: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * MBIX config register

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drivers/irqchip/irq-mbigen.c:127: warning: Function parameter or member 'vtimer_mbigen_chip' not described in 'mbigen_device' drivers/irqchip/irq-mbigen.c:136: warning: expecting prototype for Due to the existence of hyper(). Prototype was for GICR_LENGTH() instead

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for RESCTRL_FS Depends on [n]: MISC_FILESYSTEMS [=n] && ARCH_HAS_CPU_RESCTRL [=y] Selected by [y]: - ARM64_MPAM [=y] vim +127 drivers/irqchip/irq-mbigen.c 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 114 717c3dbc118ecbb Ma Jun 2015-12-17 115 /** 717c3dbc118ecbb Ma Jun 2015-12-17 116 * struct mbigen_device - holds the information of mbigen device. 717c3dbc118ecbb Ma Jun 2015-12-17 117 * 717c3dbc118ecbb Ma Jun 2015-12-17 118 * @pdev: pointer to the platform device structure of mbigen chip. 717c3dbc118ecbb Ma Jun 2015-12-17 119 * @base: mapped address of this mbigen chip. 717c3dbc118ecbb Ma Jun 2015-12-17 120 */ 717c3dbc118ecbb Ma Jun 2015-12-17 121 struct mbigen_device { 717c3dbc118ecbb Ma Jun 2015-12-17 122 struct platform_device *pdev; 717c3dbc118ecbb Ma Jun 2015-12-17 123 void __iomem *base; 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 124 #ifdef CONFIG_VIRT_VTIMER_IRQ_BYPASS 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 125 struct vtimer_mbigen_device *vtimer_mbigen_chip; 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 126 #endif 717c3dbc118ecbb Ma Jun 2015-12-17 @127 }; 717c3dbc118ecbb Ma Jun 2015-12-17 128 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 129 #ifdef CONFIG_VIRT_VTIMER_IRQ_BYPASS 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 130 static LIST_HEAD(vtimer_mgn_list); 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 131 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 132 /** 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 133 * Due to the existence of hyper-threading technology, We need to get the 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 134 * absolute offset of a cpu relative to the base cpu. 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 135 */ 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 @136 #define GICR_LENGTH 0x40000 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 137 static inline int get_abs_offset(int cpu, int cpu_base) 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 138 { 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 139 return ((get_gicr_paddr(cpu) - get_gicr_paddr(cpu_base)) / GICR_LENGTH); 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 140 } 3ce0ad7d0b4cb65 Kunkun Jiang 2024-01-11 141 :::::: The code at line 127 was first introduced by commit :::::: 717c3dbc118ecbbd5dab06c7e02dac68d3f62e1d irqchip/mgigen: Add platform device driver for mbigen device :::::: TO: Ma Jun <majun258@huawei.com> :::::: CC: Marc Zyngier <marc.zyngier@arm.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki