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[PATCH OLK-6.6 0/2] Fix CVE-2025-40016
by Long Li 29 Nov '25

29 Nov '25

Fix CVE-2025-40016 Ricardo Ribalda (1): media: uvcvideo: Use heuristic to find stream entity Thadeu Lima de Souza Cascardo (1): media: uvcvideo: Mark invalid entities with id UVC_INVALID_ENTITY_ID drivers/media/usb/uvc/uvc_driver.c | 88 ++++++++++++++++++++---------- drivers/media/usb/uvc/uvcvideo.h | 2 + 2 files changed, 62 insertions(+), 28 deletions(-) -- 2.39.2

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[openeuler:OLK-6.6 3406/3406] htmldocs: ./drivers/fwctl/ub/ub_common.h:43: warning: Function parameter or member 'ioctl_fifo' not described in 'ubctl_dev'
by kernel test robot 28 Nov '25

28 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: ae3faae9efa6dabe1e7613b5e5d3758ffaefb86a commit: f632e7e84ac26e324f4c4a43bc72947d44590d1d [3406/3406] ub: ub_fwctl: add ub_fwctl driver-api documentation description reproduce: (https://download.01.org/0day-ci/archive/20251128/202511281644.oBrjsPKC-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511281644.oBrjsPKC-lkp@intel.com/ All warnings (new ones prefixed by >>): Error: Cannot open file ./include/linux/energy_model.h Error: Cannot open file ./include/linux/energy_model.h Error: Cannot open file ./include/linux/fprobe.h Error: Cannot open file ./include/linux/mutex.h Error: Cannot open file ./include/linux/mutex.h >> ./drivers/fwctl/ub/ub_common.h:43: warning: Function parameter or member 'ioctl_fifo' not described in 'ubctl_dev' >> ./drivers/fwctl/ub/ub_common.h:79: warning: Function parameter or member 'in_data' not described in 'ubctl_cmd' >> ./drivers/fwctl/ub/ub_common.h:79: warning: Function parameter or member 'out_data' not described in 'ubctl_cmd' ./drivers/ub/ubfi/ubc.h:91: warning: Function parameter or member 'reserved' not described in 'ubrt_ubc_table' ./drivers/ub/ubfi/ubc.h:91: warning: Function parameter or member 'ubcs' not described in 'ubrt_ubc_table' ./drivers/ub/ubfi/ubc.h:60: warning: Function parameter or member 'reserved' not described in 'ubc_node' ./drivers/ub/ubfi/ubc.h:60: warning: Function parameter or member 'reserved2' not described in 'ubc_node' ./drivers/ub/ubfi/ubc.h:60: warning: Function parameter or member 'ubc_guid_low' not described in 'ubc_node' ./drivers/ub/ubfi/ubc.h:60: warning: Function parameter or member 'ubc_guid_high' not described in 'ubc_node' ./include/ub/ubus/ubus.h:387: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'ub_driver' Error: Cannot open file ./include/linux/mod_devicetable.h >> ./include/uapi/fwctl/ub_fwctl.h:293: warning: expecting prototype for struct fwctl_pkt_in_enable. Prototype was for struct fwctl_pkt_in_port instead >> ./include/uapi/fwctl/ub_fwctl.h:301: warning: expecting prototype for struct fwctl_pkt_in_enable. Prototype was for struct fwctl_pkt_in_index instead >> ./include/uapi/fwctl/ub_fwctl.h:311: warning: expecting prototype for struct fwctl_pkt_in_enable. Prototype was for struct fwctl_pkt_in_ummuid_value instead Error: Cannot open file ./include/linux/fwctl.h ./include/uapi/linux/iommufd.h:615: warning: Enum value 'IOMMU_HW_CAP_PCI_PASID_EXEC' not described in enum 'iommufd_hw_capabilities' ./include/uapi/linux/iommufd.h:615: warning: Enum value 'IOMMU_HW_CAP_PCI_PASID_PRIV' not described in enum 'iommufd_hw_capabilities' ./include/uapi/linux/iommufd.h:615: warning: Excess enum value 'IOMMU_HW_CAP_PASID_EXEC' description in 'iommufd_hw_capabilities' ./include/uapi/linux/iommufd.h:615: warning: Excess enum value 'IOMMU_HW_CAP_PASID_PRIV' description in 'iommufd_hw_capabilities' -- Documentation/scsi/sssraid.rst:42: WARNING: Block quote ends without a blank line; unexpected unindent. [docutils] WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 8.2.3 ./include/linux/fprobe.h' failed with return code 1 WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 8.2.3 -internal ./include/linux/mutex.h' failed with return code 2 Documentation/translations/zh_TW/dev-tools/index.rst:21: WARNING: toctree contains reference to nonexisting document 'translations/zh_TW/dev-tools/sparse' [toc.not_readable] Documentation/ub/index.rst:10: WARNING: toctree contains reference to nonexisting document 'ub/ummu-core' [toc.not_readable] >> Documentation/ub/ub_fwctl/ub_fwctl.rst:85: WARNING: Title underline too short. -- Querying UB link and chip info by ub_fwctl ----------------------------------------- [docutils] >> Documentation/ub/ub_fwctl/ub_fwctl.rst:85: WARNING: Title underline too short. vim +43 ./drivers/fwctl/ub/ub_common.h fe9e7907e911ee Jiaqi Cheng 2025-08-21 17 aabc3d6533494e Jiaqi Cheng 2025-08-14 18 #define ubctl_err(ucdev, format, ...) \ aabc3d6533494e Jiaqi Cheng 2025-08-14 19 dev_err(&ucdev->fwctl.dev, format, ##__VA_ARGS__) aabc3d6533494e Jiaqi Cheng 2025-08-14 20 aabc3d6533494e Jiaqi Cheng 2025-08-14 21 #define ubctl_dbg(ucdev, format, ...) \ aabc3d6533494e Jiaqi Cheng 2025-08-14 22 dev_dbg(&ucdev->fwctl.dev, "PID %u: " format, current->pid, \ aabc3d6533494e Jiaqi Cheng 2025-08-14 23 ##__VA_ARGS__) aabc3d6533494e Jiaqi Cheng 2025-08-14 24 aabc3d6533494e Jiaqi Cheng 2025-08-14 25 #define ubctl_info(ucdev, format, ...) \ aabc3d6533494e Jiaqi Cheng 2025-08-14 26 dev_info(&ucdev->fwctl.dev, "PID %u: " format, current->pid, \ aabc3d6533494e Jiaqi Cheng 2025-08-14 27 ##__VA_ARGS__) aabc3d6533494e Jiaqi Cheng 2025-08-14 28 59043edff2c8b6 Jiaqi Cheng 2025-08-21 29 #define UBCTL_GET_PHY_ADDR(high, low) ((((u64)(high)) << 32) | (low)) 7ed154d74ca3de Jiaqi Cheng 2025-08-21 30 #define UBCTL_EXTRACT_BITS(value, start, end) \ 7ed154d74ca3de Jiaqi Cheng 2025-08-21 31 (((value) >> (start)) & ((1UL << ((end) - (start) + 1)) - 1)) 59043edff2c8b6 Jiaqi Cheng 2025-08-21 32 f632e7e84ac26e Jiaqi Cheng 2025-11-26 33 /** f632e7e84ac26e Jiaqi Cheng 2025-11-26 34 * struct ubctl_dev - Device struct of framework f632e7e84ac26e Jiaqi Cheng 2025-11-26 35 * @fwctl: The device of fwctl f632e7e84ac26e Jiaqi Cheng 2025-11-26 36 * @data_size: Length of @data f632e7e84ac26e Jiaqi Cheng 2025-11-26 37 * @adev: data transmitted to users f632e7e84ac26e Jiaqi Cheng 2025-11-26 38 */ aabc3d6533494e Jiaqi Cheng 2025-08-14 39 struct ubctl_dev { aabc3d6533494e Jiaqi Cheng 2025-08-14 40 struct fwctl_device fwctl; aabc3d6533494e Jiaqi Cheng 2025-08-14 41 DECLARE_KFIFO_PTR(ioctl_fifo, unsigned long); aabc3d6533494e Jiaqi Cheng 2025-08-14 42 struct auxiliary_device *adev; aabc3d6533494e Jiaqi Cheng 2025-08-14 @43 }; aabc3d6533494e Jiaqi Cheng 2025-08-14 44 f632e7e84ac26e Jiaqi Cheng 2025-11-26 45 /** f632e7e84ac26e Jiaqi Cheng 2025-11-26 46 * struct ubctl_query_cmd_param - Parameters of userspace RPC f632e7e84ac26e Jiaqi Cheng 2025-11-26 47 * @in_len: Length of @in f632e7e84ac26e Jiaqi Cheng 2025-11-26 48 * @in: Data of input f632e7e84ac26e Jiaqi Cheng 2025-11-26 49 * @out_len: Length of @out f632e7e84ac26e Jiaqi Cheng 2025-11-26 50 * @out: Data of output f632e7e84ac26e Jiaqi Cheng 2025-11-26 51 * f632e7e84ac26e Jiaqi Cheng 2025-11-26 52 * Used to receive parameters passed from userspace RPC f632e7e84ac26e Jiaqi Cheng 2025-11-26 53 */ aabc3d6533494e Jiaqi Cheng 2025-08-14 54 struct ubctl_query_cmd_param { aabc3d6533494e Jiaqi Cheng 2025-08-14 55 size_t in_len; aabc3d6533494e Jiaqi Cheng 2025-08-14 56 struct fwctl_rpc_ub_in *in; aabc3d6533494e Jiaqi Cheng 2025-08-14 57 size_t out_len; aabc3d6533494e Jiaqi Cheng 2025-08-14 58 struct fwctl_rpc_ub_out *out; aabc3d6533494e Jiaqi Cheng 2025-08-14 59 }; aabc3d6533494e Jiaqi Cheng 2025-08-14 60 f632e7e84ac26e Jiaqi Cheng 2025-11-26 61 /** f632e7e84ac26e Jiaqi Cheng 2025-11-26 62 * struct ubctl_cmd - Parameters of query command f632e7e84ac26e Jiaqi Cheng 2025-11-26 63 * @op_code: The operation code f632e7e84ac26e Jiaqi Cheng 2025-11-26 64 * @is_read: Read-only or read-write f632e7e84ac26e Jiaqi Cheng 2025-11-26 65 * @in_len: Length of @in_data f632e7e84ac26e Jiaqi Cheng 2025-11-26 66 * @out_len: Length of @out_data f632e7e84ac26e Jiaqi Cheng 2025-11-26 67 * @in: Data of input f632e7e84ac26e Jiaqi Cheng 2025-11-26 68 * @out: Data of output f632e7e84ac26e Jiaqi Cheng 2025-11-26 69 * f632e7e84ac26e Jiaqi Cheng 2025-11-26 70 * Used for sending and receiving software communication f632e7e84ac26e Jiaqi Cheng 2025-11-26 71 */ aabc3d6533494e Jiaqi Cheng 2025-08-14 72 struct ubctl_cmd { aabc3d6533494e Jiaqi Cheng 2025-08-14 73 u32 op_code; aabc3d6533494e Jiaqi Cheng 2025-08-14 74 u32 is_read; aabc3d6533494e Jiaqi Cheng 2025-08-14 75 u32 in_len; aabc3d6533494e Jiaqi Cheng 2025-08-14 76 u32 out_len; aabc3d6533494e Jiaqi Cheng 2025-08-14 77 void *in_data; aabc3d6533494e Jiaqi Cheng 2025-08-14 78 void *out_data; aabc3d6533494e Jiaqi Cheng 2025-08-14 @79 }; aabc3d6533494e Jiaqi Cheng 2025-08-14 80 :::::: The code at line 43 was first introduced by commit :::::: aabc3d6533494ed9a3ace44576d03572746f91cd ub: ub_fwctl: Add the ub_fwctl driver and its basic features. :::::: TO: Jiaqi Cheng <chengjiaqi3(a)huawei.com> :::::: CC: Jiaqi Cheng <chengjiaqi3(a)huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3355/3355] kernel/xsched/cfs.c:22:6: warning: no previous prototype for function 'xs_rq_add'
by kernel test robot 28 Nov '25

28 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: ae3faae9efa6dabe1e7613b5e5d3758ffaefb86a commit: 024b851138509252da4531dc2e69b1e8df50fd3b [3355/3355] xsched: Add xsched CFS class config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20251128/202511282349.cceTk3rf-lkp@…) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9e9fe08b16ea2c4d9867fb4974edf2a3776d6ece) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251128/202511282349.cceTk3rf-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511282349.cceTk3rf-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/xsched/cfs.c:22:6: warning: no previous prototype for function 'xs_rq_add' [-Wmissing-prototypes] 22 | void xs_rq_add(struct xsched_entity_cfs *xse) | ^ kernel/xsched/cfs.c:22:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 22 | void xs_rq_add(struct xsched_entity_cfs *xse) | ^ | static >> kernel/xsched/cfs.c:45:6: warning: no previous prototype for function 'xs_rq_remove' [-Wmissing-prototypes] 45 | void xs_rq_remove(struct xsched_entity_cfs *xse) | ^ kernel/xsched/cfs.c:45:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 45 | void xs_rq_remove(struct xsched_entity_cfs *xse) | ^ | static >> kernel/xsched/cfs.c:159:6: warning: no previous prototype for function 'rq_init_fair' [-Wmissing-prototypes] 159 | void rq_init_fair(struct xsched_cu *xcu) | ^ kernel/xsched/cfs.c:159:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 159 | void rq_init_fair(struct xsched_cu *xcu) | ^ | static >> kernel/xsched/cfs.c:164:6: warning: no previous prototype for function 'xse_init_fair' [-Wmissing-prototypes] 164 | void xse_init_fair(struct xsched_entity *xse) | ^ kernel/xsched/cfs.c:164:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 164 | void xse_init_fair(struct xsched_entity *xse) | ^ | static >> kernel/xsched/cfs.c:169:6: warning: no previous prototype for function 'xse_deinit_fair' [-Wmissing-prototypes] 169 | void xse_deinit_fair(struct xsched_entity *xse) | ^ kernel/xsched/cfs.c:169:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 169 | void xse_deinit_fair(struct xsched_entity *xse) | ^ | static 5 warnings generated. vim +/xs_rq_add +22 kernel/xsched/cfs.c 18 19 #define CFS_INNER_RQ_EMPTY(cfs_xse) \ 20 ((cfs_xse)->xruntime == XSCHED_TIME_INF) 21 > 22 void xs_rq_add(struct xsched_entity_cfs *xse) 23 { 24 struct xsched_rq_cfs *cfs_rq = xse->cfs_rq; 25 struct rb_node **link = &cfs_rq->ctx_timeline.rb_root.rb_node; 26 struct rb_node *parent = NULL; 27 struct xsched_entity_cfs *entry; 28 bool leftmost = true; 29 30 while (*link) { 31 parent = *link; 32 entry = rb_entry(parent, struct xsched_entity_cfs, run_node); 33 if (xse->xruntime <= entry->xruntime) { 34 link = &parent->rb_left; 35 } else { 36 link = &parent->rb_right; 37 leftmost = false; 38 } 39 } 40 41 rb_link_node(&xse->run_node, parent, link); 42 rb_insert_color_cached(&xse->run_node, &cfs_rq->ctx_timeline, leftmost); 43 } 44 > 45 void xs_rq_remove(struct xsched_entity_cfs *xse) 46 { 47 struct xsched_rq_cfs *cfs_rq = xse->cfs_rq; 48 49 rb_erase_cached(&xse->run_node, &cfs_rq->ctx_timeline); 50 } 51 52 /** 53 * xs_cfs_rq_update() - Update entity's runqueue position with new xruntime 54 */ 55 static void xs_cfs_rq_update(struct xsched_entity_cfs *xse_cfs, u64 new_xrt) 56 { 57 xs_rq_remove(xse_cfs); 58 xse_cfs->xruntime = new_xrt; 59 xs_rq_add(xse_cfs); 60 } 61 62 static inline struct xsched_entity_cfs * 63 xs_pick_first(struct xsched_rq_cfs *cfs_rq) 64 { 65 struct xsched_entity_cfs *xse_cfs; 66 struct rb_node *left = rb_first_cached(&cfs_rq->ctx_timeline); 67 68 if (!left) 69 return NULL; 70 71 xse_cfs = rb_entry(left, struct xsched_entity_cfs, run_node); 72 return xse_cfs; 73 } 74 75 /** 76 * xs_update() - Account xruntime and runtime metrics. 77 * @xse_cfs: Point to CFS scheduling entity. 78 * @delta: Execution time in last period 79 */ 80 static void xs_update(struct xsched_entity_cfs *xse_cfs, u64 delta) 81 { 82 u64 new_xrt = xse_cfs->xruntime + delta * xse_cfs->weight; 83 84 xs_cfs_rq_update(xse_cfs, new_xrt); 85 xse_cfs->sum_exec_runtime += delta; 86 } 87 88 /* 89 * Xsched Fair class methods 90 * For rq manipulation we rely on root runqueue lock already acquired in core. 91 * Access xsched_group_xcu_priv requires no locks because one thread per XCU. 92 */ 93 static void dequeue_ctx_fair(struct xsched_entity *xse) 94 { 95 struct xsched_cu *xcu = xse->xcu; 96 struct xsched_entity_cfs *first; 97 struct xsched_entity_cfs *xse_cfs = &xse->cfs; 98 99 xs_rq_remove(xse_cfs); 100 101 first = xs_pick_first(&xcu->xrq.cfs); 102 xcu->xrq.cfs.min_xruntime = (first) ? first->xruntime : XSCHED_TIME_INF; 103 } 104 105 /** 106 * enqueue_ctx_fair() - Add context to the runqueue 107 * @xse: xsched entity of context 108 * @xcu: executor 109 * 110 * In contrary to enqueue_task it is called once on context init. 111 * Although groups reside in tree, their nodes not counted in nr_running. 112 * The xruntime of a group xsched entitry represented by min xruntime inside. 113 */ 114 static void enqueue_ctx_fair(struct xsched_entity *xse, struct xsched_cu *xcu) 115 { 116 struct xsched_entity_cfs *first; 117 struct xsched_rq_cfs *rq; 118 struct xsched_entity_cfs *xse_cfs = &xse->cfs; 119 120 rq = xse_cfs->cfs_rq = &xcu->xrq.cfs; 121 122 /* If no XSE of only empty groups */ 123 if (xs_pick_first(rq) == NULL || rq->min_xruntime == XSCHED_TIME_INF) 124 rq->min_xruntime = xse_cfs->xruntime; 125 else 126 xse_cfs->xruntime = max(xse_cfs->xruntime, rq->min_xruntime); 127 128 xs_rq_add(xse_cfs); 129 130 first = xs_pick_first(&xcu->xrq.cfs); 131 xcu->xrq.cfs.min_xruntime = (first) ? first->xruntime : XSCHED_TIME_INF; 132 } 133 134 static struct xsched_entity *pick_next_ctx_fair(struct xsched_cu *xcu) 135 { 136 struct xsched_entity_cfs *xse; 137 struct xsched_rq_cfs *rq = &xcu->xrq.cfs; 138 139 xse = xs_pick_first(rq); 140 if (!xse) 141 return NULL; 142 143 return container_of(xse, struct xsched_entity, cfs); 144 } 145 146 static inline bool 147 xs_should_preempt_fair(struct xsched_entity *xse) 148 { 149 return (atomic_read(&xse->submitted_one_kick) >= XSCHED_CFS_KICK_SLICE); 150 } 151 152 static void put_prev_ctx_fair(struct xsched_entity *xse) 153 { 154 struct xsched_entity_cfs *prev = &xse->cfs; 155 156 xs_update(prev, xse->last_exec_runtime); 157 } 158 > 159 void rq_init_fair(struct xsched_cu *xcu) 160 { 161 xcu->xrq.cfs.ctx_timeline = RB_ROOT_CACHED; 162 } 163 > 164 void xse_init_fair(struct xsched_entity *xse) 165 { 166 xse->cfs.weight = XSCHED_CFS_WEIGHT_DFLT; 167 } 168 > 169 void xse_deinit_fair(struct xsched_entity *xse) 170 { 171 /* TODO Cgroup exit */ 172 } 173 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3355/3355] kernel/xsched/core.c:497:12: warning: no previous prototype for function 'xsched_sched_init'
by kernel test robot 28 Nov '25

28 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: ae3faae9efa6dabe1e7613b5e5d3758ffaefb86a commit: 832ec54e11a079d968d8f23780ab455b1537b214 [3355/3355] xsched: Add xsched RT class config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20251128/202511282111.LvHs2qlX-lkp@…) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9e9fe08b16ea2c4d9867fb4974edf2a3776d6ece) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251128/202511282111.LvHs2qlX-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511282111.LvHs2qlX-lkp@intel.com/ All warnings (new ones prefixed by >>): kernel/xsched/core.c:189:5: warning: no previous prototype for function 'xsched_xse_set_class' [-Wmissing-prototypes] 189 | int xsched_xse_set_class(struct xsched_entity *xse) | ^ kernel/xsched/core.c:189:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 189 | int xsched_xse_set_class(struct xsched_entity *xse) | ^ | static >> kernel/xsched/core.c:497:12: warning: no previous prototype for function 'xsched_sched_init' [-Wmissing-prototypes] 497 | __init int xsched_sched_init(void) | ^ kernel/xsched/core.c:497:8: note: declare 'static' if the function is not intended to be used outside of this translation unit 497 | __init int xsched_sched_init(void) | ^ | static kernel/xsched/core.c:296:20: warning: unused function 'should_preempt' [-Wunused-function] 296 | static inline bool should_preempt(struct xsched_entity *xse) | ^~~~~~~~~~~~~~ 3 warnings generated. -- >> kernel/xsched/rt.c:207:6: warning: no previous prototype for function 'rq_init_rt' [-Wmissing-prototypes] 207 | void rq_init_rt(struct xsched_cu *xcu) | ^ kernel/xsched/rt.c:207:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 207 | void rq_init_rt(struct xsched_cu *xcu) | ^ | static >> kernel/xsched/rt.c:218:6: warning: no previous prototype for function 'xse_init_rt' [-Wmissing-prototypes] 218 | void xse_init_rt(struct xsched_entity *xse) | ^ kernel/xsched/rt.c:218:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 218 | void xse_init_rt(struct xsched_entity *xse) | ^ | static >> kernel/xsched/rt.c:228:6: warning: no previous prototype for function 'xse_deinit_rt' [-Wmissing-prototypes] 228 | void xse_deinit_rt(struct xsched_entity *xse) | ^ kernel/xsched/rt.c:228:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 228 | void xse_deinit_rt(struct xsched_entity *xse) | ^ | static 3 warnings generated. vim +/xsched_sched_init +497 kernel/xsched/core.c 496 > 497 __init int xsched_sched_init(void) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3355/3355] kernel/xsched/core.c:189:5: warning: no previous prototype for function 'xsched_xse_set_class'
by kernel test robot 28 Nov '25

28 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: ae3faae9efa6dabe1e7613b5e5d3758ffaefb86a commit: 76c15076abcb100f7c1204bd1ef0ec55128d6546 [3355/3355] xsched: Add basic scheduler core support config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20251128/202511282009.VCbXC9Zw-lkp@…) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9e9fe08b16ea2c4d9867fb4974edf2a3776d6ece) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251128/202511282009.VCbXC9Zw-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511282009.VCbXC9Zw-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/xsched/core.c:189:5: warning: no previous prototype for function 'xsched_xse_set_class' [-Wmissing-prototypes] 189 | int xsched_xse_set_class(struct xsched_entity *xse) | ^ kernel/xsched/core.c:189:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 189 | int xsched_xse_set_class(struct xsched_entity *xse) | ^ | static kernel/xsched/core.c:289:20: warning: unused function 'should_preempt' [-Wunused-function] 289 | static inline bool should_preempt(struct xsched_entity *xse) | ^~~~~~~~~~~~~~ 2 warnings generated. vim +/xsched_xse_set_class +189 kernel/xsched/core.c 188 > 189 int xsched_xse_set_class(struct xsched_entity *xse) 190 { 191 struct xsched_class *sched = xsched_first_class; 192 193 xse->class = sched; 194 return 0; 195 } 196 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3406/3406] htmldocs: Documentation/admin-guide/perf/ummu-pmu.rst: WARNING: document isn't included in any toctree [toc.not_included]
by kernel test robot 28 Nov '25

28 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: ae3faae9efa6dabe1e7613b5e5d3758ffaefb86a commit: 3a2ebcdd4d6c72fcd64521ffcfe496b8950be8d0 [3406/3406] iommu/ummu: Add UMMU documentation description reproduce: (https://download.01.org/0day-ci/archive/20251128/202511281229.1nZT8v8W-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511281229.1nZT8v8W-lkp@intel.com/ All warnings (new ones prefixed by >>): WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 8.2.3 -function ub_device_id ./include/linux/mod_devicetable.h' failed with return code 1 WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 8.2.3 ./include/linux/fwctl.h' failed with return code 1 Documentation/userspace-api/ummu_core.rst:73: ERROR: Unexpected indentation. [docutils] Documentation/userspace-api/ummu_core.rst:90: ERROR: Unexpected indentation. [docutils] Documentation/userspace-api/ummu_core.rst:103: ERROR: Unexpected indentation. [docutils] >> Documentation/admin-guide/perf/ummu-pmu.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/arch/x86/hygon-secure-virtualization.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/misc-devices/zcopy.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/mm/dynamic_hugetlb.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/networking/device_drivers/ethernet/nebula-matrix/m18120.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/networking/hinic3.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/scsi/hisi_raid.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/scsi/sssraid.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/ub/ummu/index.rst: WARNING: document isn't included in any toctree [toc.not_included] >> Documentation/userspace-api/ummu_core.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/virt/coco/csv-guest.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/virt/kvm/arm/pvsched.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/virt/kvm/arm/pvsgi.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/vm/memcg_memfs_info.rst: WARNING: document isn't included in any toctree [toc.not_included] Documentation/networking/ub/ubl.rst:63: WARNING: undefined label: 'documentation/networking/ub/unic.rst' [ref.ref] -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3355/3355] kernel/xsched/vstream.c:94:19: warning: no previous prototype for function 'xcu_find'
by kernel test robot 28 Nov '25

28 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: ae3faae9efa6dabe1e7613b5e5d3758ffaefb86a commit: 8dde1f2e6bf6049bf69c9f510349c698e0aba49d [3355/3355] xsched: Introduce vstream management config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20251128/202511281845.H2cg7rYT-lkp@…) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9e9fe08b16ea2c4d9867fb4974edf2a3776d6ece) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251128/202511281845.H2cg7rYT-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511281845.H2cg7rYT-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/xsched/vstream.c:94:19: warning: no previous prototype for function 'xcu_find' [-Wmissing-prototypes] 94 | struct xsched_cu *xcu_find(uint32_t type, | ^ kernel/xsched/vstream.c:94:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 94 | struct xsched_cu *xcu_find(uint32_t type, | ^ | static 1 warning generated. vim +/xcu_find +94 kernel/xsched/vstream.c 93 > 94 struct xsched_cu *xcu_find(uint32_t type, 95 uint32_t dev_id, uint32_t channel_id) 96 { 97 struct xcu_group *group = NULL; 98 99 /* Find xcu by type. */ 100 group = xcu_group_find(xcu_group_root, type); 101 if (group == NULL) { 102 XSCHED_ERR("Fail to find type group.\n"); 103 return NULL; 104 } 105 106 /* Find device id group. */ 107 group = xcu_group_find(group, dev_id); 108 if (group == NULL) { 109 XSCHED_ERR("Fail to find device group.\n"); 110 return NULL; 111 } 112 /* Find channel id group. */ 113 group = xcu_group_find(group, channel_id); 114 if (group == NULL) { 115 XSCHED_ERR("Fail to find channel group.\n"); 116 return NULL; 117 } 118 119 XSCHED_DEBUG("XCU found: type=%u, dev_id=%u, chan_id=%u.\n", 120 type, dev_id, channel_id); 121 122 return group->xcu; 123 } 124 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3355/3355] drivers/xcu/xcu_group.c:41:5: warning: no previous prototype for function '__xcu_group_attach'
by kernel test robot 28 Nov '25

28 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: ae3faae9efa6dabe1e7613b5e5d3758ffaefb86a commit: b7261a251299bfdababe53a848084af2ecfcc1ae [3355/3355] xcu: Add base NPU driver support config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20251128/202511281657.lWcX7PhK-lkp@…) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9e9fe08b16ea2c4d9867fb4974edf2a3776d6ece) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251128/202511281657.lWcX7PhK-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511281657.lWcX7PhK-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/xcu/xcu_group.c:41:5: warning: no previous prototype for function '__xcu_group_attach' [-Wmissing-prototypes] 41 | int __xcu_group_attach(struct xcu_group *new_group, | ^ drivers/xcu/xcu_group.c:41:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 41 | int __xcu_group_attach(struct xcu_group *new_group, | ^ | static 1 warning generated. vim +/__xcu_group_attach +41 drivers/xcu/xcu_group.c 40 > 41 int __xcu_group_attach(struct xcu_group *new_group, 42 struct xcu_group *previous_group) 43 { 44 int id = new_group->id; 45 46 if (id == -1) 47 id = idr_alloc(&previous_group->next_layer, new_group, 0, 48 INT_MAX, GFP_KERNEL); 49 else 50 id = idr_alloc(&previous_group->next_layer, new_group, id, 51 id + 1, GFP_KERNEL); 52 53 if (id < 0) { 54 XSCHED_ERR("Fail to attach xcu_group: id conflict @ %s\n", 55 __func__); 56 return -EEXIST; 57 } 58 new_group->id = id; 59 new_group->previous_layer = previous_group; 60 61 return 0; 62 } 63 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-6.6 0/6] page_pool: Track DMA-mapped pages and unmap them when destroying the pool
by Dong Chenchen 28 Nov '25

28 Nov '25

Track DMA-mapped pages and unmap them when destroying the pool Dong Chenchen (1): page_pool: Fix kabi broken in struct page_pool Jakub Kicinski (1): net: page_pool: factor out releasing DMA from releasing the page Jesper Dangaard Brouer (1): mm/page_pool: catch page_pool memory leaks Toke Høiland-Jørgensen (3): page_pool: Move pp_magic check into helper functions page_pool: Track DMA-mapped pages and unmap them when destroying the pool page_pool: Fix PP_MAGIC_MASK to avoid crashing on some 32-bit arches .../net/ethernet/mellanox/mlx5/core/en/xdp.c | 4 +- include/linux/mm.h | 68 ++++++++ include/linux/poison.h | 4 + include/net/page_pool/types.h | 6 +- mm/page_alloc.c | 3 + net/core/page_pool.c | 148 +++++++++++++++--- net/core/skbuff.c | 9 +- net/core/xdp.c | 4 +- 8 files changed, 215 insertions(+), 31 deletions(-) -- 2.25.1

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[openeuler:OLK-6.6 3406/3406] htmldocs: ./include/ub/cdma/cdma_api.h:94: warning: Function parameter or member 'trans_mode' not described in 'queue_cfg'
by kernel test robot 28 Nov '25

28 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 4e0f6ff6542664d2a6d350e8490d042a466aa0e6 commit: 27d2c29e4512954c7efcee4fa62b13fd67ce0f93 [3406/3406] ub: cdma: add CDMA driver-api documentation description reproduce: (https://download.01.org/0day-ci/archive/20251128/202511280817.PxN8S1S4-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511280817.PxN8S1S4-lkp@intel.com/ All warnings (new ones prefixed by >>): Error: Cannot open file ./include/linux/tty_port.h Error: Cannot open file ./include/linux/tty_port.h Error: Cannot open file ./include/linux/tty.h Error: Cannot open file ./include/linux/tty.h Error: Cannot open file ./include/linux/tty.h >> ./include/ub/cdma/cdma_api.h:94: warning: Function parameter or member 'trans_mode' not described in 'queue_cfg' ./include/ub/ubase/ubase_comm_ctrlq.h:90: warning: Function parameter or member 'is_async' not described in 'ubase_ctrlq_msg' ./include/ub/ubase/ubase_comm_dev.h:318: warning: Function parameter or member 'sl_num' not described in 'ubase_adev_qos' ./include/ub/ubase/ubase_comm_dev.h:318: warning: Function parameter or member 'sl' not described in 'ubase_adev_qos' ./include/ub/ubase/ubase_comm_dev.h:318: warning: Function parameter or member 'tp_sl_num' not described in 'ubase_adev_qos' ./include/ub/ubase/ubase_comm_dev.h:318: warning: Function parameter or member 'tp_sl' not described in 'ubase_adev_qos' -- WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 8.2.3 -function tty_port ./include/linux/tty_port.h' failed with return code 1 WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 8.2.3 -function tty_port_operations ./include/linux/tty_port.h' failed with return code 1 WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 8.2.3 -function tty_kref_get ./include/linux/tty.h' failed with return code 1 WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 8.2.3 -function TTY Struct Flags ./include/linux/tty.h' failed with return code 1 WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 8.2.3 -function tty_struct ./include/linux/tty.h' failed with return code 1 >> Documentation/driver-api/ub/cdma.rst:137: WARNING: Bullet list ends without a blank line; unexpected unindent. [docutils] >> Documentation/driver-api/ub/cdma.rst:137: WARNING: Inline emphasis start-string without end-string. [docutils] >> Documentation/driver-api/ub/cdma.rst:138: WARNING: Definition list ends without a blank line; unexpected unindent. [docutils] Documentation/driver-api/ub/index.rst:3: ERROR: Undefined substitution referenced: "copy". [docutils] Documentation/driver-api/ub/ubus:6: ./include/ub/ubus/ubus.h:317: WARNING: Inline emphasis start-string without end-string. [docutils] WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 8.2.3 -internal ./include/linux/usb/gadget.h' failed with return code 2 WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 8.2.3 -internal ./include/linux/usb/composite.h' failed with return code 2 WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 8.2.3 -function typec_altmode_driver -function typec_altmode_ops ./include/linux/usb/typec_altmode.h' failed with return code 1 vim +94 ./include/ub/cdma/cdma_api.h 3aa7aa335383c2 Zhipeng Lu 2025-08-29 74 27d2c29e451295 Zhipeng Lu 2025-11-24 75 /** 27d2c29e451295 Zhipeng Lu 2025-11-24 76 * struct queue_cfg - DMA queue config structure 27d2c29e451295 Zhipeng Lu 2025-11-24 77 * @queue_depth: queue depth 27d2c29e451295 Zhipeng Lu 2025-11-24 78 * @priority: the priority of JFS, ranging from [0, 15] 27d2c29e451295 Zhipeng Lu 2025-11-24 79 * @user_ctx: user private data information, optional 27d2c29e451295 Zhipeng Lu 2025-11-24 80 * @dcna: remote device CNA 27d2c29e451295 Zhipeng Lu 2025-11-24 81 * @rmt_eid: remote device EID 27d2c29e451295 Zhipeng Lu 2025-11-24 82 * @rsv_bitmap: reserved field bitmap 27d2c29e451295 Zhipeng Lu 2025-11-24 83 * @rsvd: reserved field array 27d2c29e451295 Zhipeng Lu 2025-11-24 84 */ eecfd8889f72f8 Zhipeng Lu 2025-08-28 85 struct queue_cfg { eecfd8889f72f8 Zhipeng Lu 2025-08-28 86 u32 queue_depth; eecfd8889f72f8 Zhipeng Lu 2025-08-28 87 u8 priority; eecfd8889f72f8 Zhipeng Lu 2025-08-28 88 u64 user_ctx; eecfd8889f72f8 Zhipeng Lu 2025-08-28 89 u32 dcna; eecfd8889f72f8 Zhipeng Lu 2025-08-28 90 struct dev_eid rmt_eid; eecfd8889f72f8 Zhipeng Lu 2025-08-28 91 u32 trans_mode; 34c67ed8f4c107 Zhipeng Lu 2025-11-11 92 u32 rsv_bitmap; 34c67ed8f4c107 Zhipeng Lu 2025-11-11 93 u32 rsvd[6]; eecfd8889f72f8 Zhipeng Lu 2025-08-28 @94 }; eecfd8889f72f8 Zhipeng Lu 2025-08-28 95 :::::: The code at line 94 was first introduced by commit :::::: eecfd8889f72f8c03c8af731e508dc3cb46b4b14 ub: cdma: support for allocating queue :::::: TO: Zhipeng Lu <luzhipeng8(a)h-partners.com> :::::: CC: Zhipeng Lu <luzhipeng8(a)h-partners.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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