tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: c02455c4cce8052f74fc11c09e9073c01c7f33a4 commit: 2dcf53278783921137dbb4eb4628f2c96cac65e2 [2411/2411] eventfd:Introduce the eventfd batch processing interface config: x86_64-buildonly-randconfig-2001-20250626 (https://download.01.org/0day-ci/archive/20250629/202506291906.a435dLWR-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250629/202506291906.a435dLWR-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/202506291906.a435dLWR-lkp@intel.com/ All warnings (new ones prefixed by >>):

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arch/x86/kvm/../../../virt/kvm/eventfd.c:719: warning: cannot understand function prototype: 'struct eventfd_shadow ' arch/x86/kvm/../../../virt/kvm/eventfd.c:1102: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * If an exception occurs, arch/x86/kvm/../../../virt/kvm/eventfd.c:1131: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * If the temporarily stored eventfd cannot be successfully updated arch/x86/kvm/../../../virt/kvm/eventfd.c:1176: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Copy the current buses,

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for ACPI_HOTPLUG_IGNORE_OSC Depends on [n]: ACPI [=y] && ACPI_HOTPLUG_CPU [=n] Selected by [y]: - X86 [=y] && ACPI [=y] && HOTPLUG_CPU [=y] vim +719 arch/x86/kvm/../../../virt/kvm/eventfd.c 713 714 /** 715 * eventfd_shadow 716 * Save the eventfd pointer and operation. 717 * To protect Kabi, these members are placed here 718 */

719 struct eventfd_shadow { 720 struct list_head node; 721 struct _ioeventfd *eventfd; 722 /* Indicate the operations required for this eventfd */ 723 u8 flag; 724 }; 725

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