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[PATCH OLK-5.10 0/5] Misc minor bugfix for HNS RoCE
by Chengchang Tang 11 Sep '24

11 Sep '24

From: Xinghai Cen <cenxinghai(a)h-partners.com> Fix a probability overflow of AEQ and some sparse warnings. Junxian Huang (4): RDMA/hns: Fix dereference of noderef expression RDMA/hns: Fix "Should it be static?" warnings RDMA/hns: Fix ah error counter in sw stat not increasing when sl is invalid RDMA/hns: Fix endian issues wenglianfa (1): RDMA/hns: Fix an AEQE overflow error caused by untimely update of eq_db_ci drivers/infiniband/hw/hns/hns_roce_ah.c | 3 +- drivers/infiniband/hw/hns/hns_roce_bond.c | 8 +- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 102 +++++++++++++-------- drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 5 + drivers/infiniband/hw/hns/hns_roce_main.c | 2 +- drivers/infiniband/hw/hns/hns_roce_sysfs.c | 36 ++++---- 6 files changed, 99 insertions(+), 57 deletions(-) -- 2.33.0

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[openeuler:OLK-5.10 14827/30000] kernel/sys_ni.c:268:1: sparse: sparse: symbol '__x64_sys_landlock_create_ruleset' was not declared. Should it be static?
by kernel test robot 11 Sep '24

11 Sep '24

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: fb74b7c6ee60eaba8d843255f6a09f6d1d6b8c33 commit: 21dd31f58b64b122a2d9fb62669d6191d1cf2c0f [14827/30000] landlock: Add syscall implementations config: x86_64-randconfig-123-20240910 (https://download.01.org/0day-ci/archive/20240911/202409112049.JSlQcsk7-lkp@…) 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/20240911/202409112049.JSlQcsk7-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/202409112049.JSlQcsk7-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sys_ni.c:195:1: sparse: sparse: symbol '__x64_sys_mq_timedsend_time32' was not declared. Should it be static? kernel/sys_ni.c:197:1: sparse: sparse: symbol '__x64_sys_mq_timedreceive_time32' was not declared. Should it be static? kernel/sys_ni.c:198:1: sparse: sparse: symbol '__ia32_sys_mq_notify' was not declared. Should it be static? kernel/sys_ni.c:199:1: sparse: sparse: symbol '__ia32_compat_sys_mq_notify' was not declared. Should it be static? kernel/sys_ni.c:200:1: sparse: sparse: symbol '__ia32_sys_mq_getsetattr' was not declared. Should it be static? kernel/sys_ni.c:201:1: sparse: sparse: symbol '__ia32_compat_sys_mq_getsetattr' was not declared. Should it be static? kernel/sys_ni.c:205:1: sparse: sparse: symbol '__x64_sys_old_msgctl' was not declared. Should it be static? kernel/sys_ni.c:205:1: sparse: sparse: symbol '__ia32_sys_old_msgctl' was not declared. Should it be static? kernel/sys_ni.c:206:1: sparse: sparse: symbol '__ia32_sys_msgctl' was not declared. Should it be static? kernel/sys_ni.c:207:1: sparse: sparse: symbol '__ia32_compat_sys_msgctl' was not declared. Should it be static? kernel/sys_ni.c:208:1: sparse: sparse: symbol '__ia32_compat_sys_old_msgctl' was not declared. Should it be static? kernel/sys_ni.c:209:1: sparse: sparse: symbol '__ia32_sys_msgrcv' was not declared. Should it be static? kernel/sys_ni.c:210:1: sparse: sparse: symbol '__ia32_compat_sys_msgrcv' was not declared. Should it be static? kernel/sys_ni.c:211:1: sparse: sparse: symbol '__ia32_sys_msgsnd' was not declared. Should it be static? kernel/sys_ni.c:212:1: sparse: sparse: symbol '__ia32_compat_sys_msgsnd' was not declared. Should it be static? kernel/sys_ni.c:216:1: sparse: sparse: symbol '__x64_sys_old_semctl' was not declared. Should it be static? kernel/sys_ni.c:216:1: sparse: sparse: symbol '__ia32_sys_old_semctl' was not declared. Should it be static? kernel/sys_ni.c:217:1: sparse: sparse: symbol '__ia32_sys_semctl' was not declared. Should it be static? kernel/sys_ni.c:218:1: sparse: sparse: symbol '__ia32_compat_sys_semctl' was not declared. Should it be static? kernel/sys_ni.c:219:1: sparse: sparse: symbol '__ia32_compat_sys_old_semctl' was not declared. Should it be static? kernel/sys_ni.c:221:1: sparse: sparse: symbol '__x64_sys_semtimedop_time32' was not declared. Should it be static? kernel/sys_ni.c:221:1: sparse: sparse: symbol '__ia32_sys_semtimedop_time32' was not declared. Should it be static? kernel/sys_ni.c:222:1: sparse: sparse: symbol '__ia32_sys_semop' was not declared. Should it be static? kernel/sys_ni.c:226:1: sparse: sparse: symbol '__x64_sys_old_shmctl' was not declared. Should it be static? kernel/sys_ni.c:226:1: sparse: sparse: symbol '__ia32_sys_old_shmctl' was not declared. Should it be static? kernel/sys_ni.c:227:1: sparse: sparse: symbol '__ia32_sys_shmctl' was not declared. Should it be static? kernel/sys_ni.c:228:1: sparse: sparse: symbol '__ia32_compat_sys_shmctl' was not declared. Should it be static? kernel/sys_ni.c:229:1: sparse: sparse: symbol '__ia32_compat_sys_old_shmctl' was not declared. Should it be static? kernel/sys_ni.c:230:1: sparse: sparse: symbol '__ia32_sys_shmat' was not declared. Should it be static? kernel/sys_ni.c:231:1: sparse: sparse: symbol '__ia32_compat_sys_shmat' was not declared. Should it be static? kernel/sys_ni.c:243:1: sparse: sparse: symbol '__ia32_sys_setsockopt' was not declared. Should it be static? kernel/sys_ni.c:244:1: sparse: sparse: symbol '__ia32_compat_sys_setsockopt' was not declared. Should it be static? kernel/sys_ni.c:245:1: sparse: sparse: symbol '__ia32_sys_getsockopt' was not declared. Should it be static? kernel/sys_ni.c:246:1: sparse: sparse: symbol '__ia32_compat_sys_getsockopt' was not declared. Should it be static? kernel/sys_ni.c:249:1: sparse: sparse: symbol '__ia32_sys_recvfrom' was not declared. Should it be static? kernel/sys_ni.c:250:1: sparse: sparse: symbol '__ia32_compat_sys_recvfrom' was not declared. Should it be static? kernel/sys_ni.c:251:1: sparse: sparse: symbol '__ia32_sys_sendmsg' was not declared. Should it be static? kernel/sys_ni.c:252:1: sparse: sparse: symbol '__ia32_compat_sys_sendmsg' was not declared. Should it be static? kernel/sys_ni.c:253:1: sparse: sparse: symbol '__ia32_sys_recvmsg' was not declared. Should it be static? kernel/sys_ni.c:254:1: sparse: sparse: symbol '__ia32_compat_sys_recvmsg' was not declared. Should it be static? kernel/sys_ni.c:264:1: sparse: sparse: symbol '__ia32_sys_keyctl' was not declared. Should it be static? kernel/sys_ni.c:265:1: sparse: sparse: symbol '__ia32_compat_sys_keyctl' was not declared. Should it be static? >> kernel/sys_ni.c:268:1: sparse: sparse: symbol '__x64_sys_landlock_create_ruleset' was not declared. Should it be static? >> kernel/sys_ni.c:268:1: sparse: sparse: symbol '__ia32_sys_landlock_create_ruleset' was not declared. Should it be static? >> kernel/sys_ni.c:269:1: sparse: sparse: symbol '__x64_sys_landlock_add_rule' was not declared. Should it be static? >> kernel/sys_ni.c:269:1: sparse: sparse: symbol '__ia32_sys_landlock_add_rule' was not declared. Should it be static? >> kernel/sys_ni.c:270:1: sparse: sparse: symbol '__x64_sys_landlock_restrict_self' was not declared. Should it be static? >> kernel/sys_ni.c:270:1: sparse: sparse: symbol '__ia32_sys_landlock_restrict_self' was not declared. Should it be static? kernel/sys_ni.c:275:1: sparse: sparse: symbol '__x64_sys_fadvise64_64' was not declared. Should it be static? kernel/sys_ni.c:275:1: sparse: sparse: symbol '__ia32_sys_fadvise64_64' was not declared. Should it be static? kernel/sys_ni.c:276:1: sparse: sparse: symbol '__ia32_compat_sys_fadvise64_64' was not declared. Should it be static? kernel/sys_ni.c:292:1: sparse: sparse: symbol '__ia32_compat_sys_mbind' was not declared. Should it be static? kernel/sys_ni.c:293:1: sparse: sparse: symbol '__ia32_sys_get_mempolicy' was not declared. Should it be static? kernel/sys_ni.c:294:1: sparse: sparse: symbol '__ia32_compat_sys_get_mempolicy' was not declared. Should it be static? kernel/sys_ni.c:296:1: sparse: sparse: symbol '__ia32_compat_sys_set_mempolicy' was not declared. Should it be static? kernel/sys_ni.c:298:1: sparse: sparse: symbol '__ia32_compat_sys_migrate_pages' was not declared. Should it be static? kernel/sys_ni.c:299:1: sparse: sparse: symbol '__ia32_sys_move_pages' was not declared. Should it be static? kernel/sys_ni.c:300:1: sparse: sparse: symbol '__ia32_compat_sys_move_pages' was not declared. Should it be static? kernel/sys_ni.c:304:1: sparse: sparse: symbol '__ia32_sys_recvmmsg' was not declared. Should it be static? kernel/sys_ni.c:305:1: sparse: sparse: symbol '__x64_sys_recvmmsg_time32' was not declared. Should it be static? kernel/sys_ni.c:305:1: sparse: sparse: symbol '__ia32_sys_recvmmsg_time32' was not declared. Should it be static? kernel/sys_ni.c:306:1: sparse: sparse: symbol '__ia32_compat_sys_recvmmsg_time32' was not declared. Should it be static? kernel/sys_ni.c:307:1: sparse: sparse: symbol '__ia32_compat_sys_recvmmsg_time64' was not declared. Should it be static? kernel/sys_ni.c:315:1: sparse: sparse: symbol '__ia32_sys_fanotify_mark' was not declared. Should it be static? kernel/sys_ni.c:319:1: sparse: sparse: symbol '__ia32_sys_open_by_handle_at' was not declared. Should it be static? kernel/sys_ni.c:320:1: sparse: sparse: symbol '__ia32_compat_sys_open_by_handle_at' was not declared. Should it be static? kernel/sys_ni.c:322:1: sparse: sparse: symbol '__ia32_sys_sendmmsg' was not declared. Should it be static? kernel/sys_ni.c:323:1: sparse: sparse: symbol '__ia32_compat_sys_sendmmsg' was not declared. Should it be static? kernel/sys_ni.c:324:1: sparse: sparse: symbol '__ia32_sys_process_vm_readv' was not declared. Should it be static? kernel/sys_ni.c:325:1: sparse: sparse: symbol '__ia32_compat_sys_process_vm_readv' was not declared. Should it be static? kernel/sys_ni.c:326:1: sparse: sparse: symbol '__ia32_sys_process_vm_writev' was not declared. Should it be static? kernel/sys_ni.c:327:1: sparse: sparse: symbol '__ia32_compat_sys_process_vm_writev' was not declared. Should it be static? kernel/sys_ni.c:343:1: sparse: sparse: symbol '__ia32_sys_execveat' was not declared. Should it be static? kernel/sys_ni.c:365:1: sparse: sparse: symbol '__x64_sys_pciconfig_read' was not declared. Should it be static? kernel/sys_ni.c:365:1: sparse: sparse: symbol '__ia32_sys_pciconfig_read' was not declared. Should it be static? kernel/sys_ni.c:366:1: sparse: sparse: symbol '__x64_sys_pciconfig_write' was not declared. Should it be static? kernel/sys_ni.c:366:1: sparse: sparse: symbol '__ia32_sys_pciconfig_write' was not declared. Should it be static? vim +/__x64_sys_landlock_create_ruleset +268 kernel/sys_ni.c 257 258 /* mm/nommu.c, also with MMU */ > 259 COND_SYSCALL(mremap); 260 261 /* security/keys/keyctl.c */ > 262 COND_SYSCALL(add_key); > 263 COND_SYSCALL(request_key); 264 COND_SYSCALL(keyctl); 265 COND_SYSCALL_COMPAT(keyctl); 266 267 /* security/landlock/syscalls.c */ > 268 COND_SYSCALL(landlock_create_ruleset); > 269 COND_SYSCALL(landlock_add_rule); > 270 COND_SYSCALL(landlock_restrict_self); 271 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-6.6 0/2] mm: mTHP user controls to pagecache large folio
by Liu Shixin 11 Sep '24

11 Sep '24

Liu Shixin (2): mm/huge_memory: mTHP user controls to pagecache large folio mm/huge_memory: allow to enable 64K anouymous mapping align alone Documentation/admin-guide/mm/transhuge.rst | 16 +-- include/linux/huge_mm.h | 7 +- mm/filemap.c | 2 + mm/huge_memory.c | 118 ++++++++++++--------- mm/mmap.c | 3 +- mm/readahead.c | 2 + 6 files changed, 84 insertions(+), 64 deletions(-) -- 2.34.1

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[openeuler:OLK-5.10 13879/30000] drivers/vdpa/vdpa.c:759:19: sparse: sparse: cast to restricted __le16
by kernel test robot 11 Sep '24

11 Sep '24

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: fb74b7c6ee60eaba8d843255f6a09f6d1d6b8c33 commit: 661b972e802c8e252911361538651db906c084bb [13879/30000] vdpa: Introduce query of device config layout config: x86_64-randconfig-123-20240910 (https://download.01.org/0day-ci/archive/20240911/202409111741.8Hd9TwMf-lkp@…) 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/20240911/202409111741.8Hd9TwMf-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/202409111741.8Hd9TwMf-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/vdpa/vdpa.c:759:19: sparse: sparse: cast to restricted __le16 >> drivers/vdpa/vdpa.c:759:19: sparse: sparse: cast from restricted __virtio16 drivers/vdpa/vdpa.c:775:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:775:19: sparse: sparse: cast from restricted __virtio16 drivers/vdpa/vdpa.c:779:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:779:19: sparse: sparse: cast from restricted __virtio16 vim +759 drivers/vdpa/vdpa.c 749 750 static int vdpa_dev_net_mq_config_fill(struct vdpa_device *vdev, 751 struct sk_buff *msg, u64 features, 752 const struct virtio_net_config *config) 753 { 754 u16 val_u16; 755 756 if ((features & (1ULL << VIRTIO_NET_F_MQ)) == 0) 757 return 0; 758 > 759 val_u16 = le16_to_cpu(config->max_virtqueue_pairs); 760 return nla_put_u16(msg, VDPA_ATTR_DEV_NET_CFG_MAX_VQP, val_u16); 761 } 762 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 777/13927] arch/loongarch/kernel/legacy_boot.c:439:25-27: WARNING !A || A && B is equivalent to !A || B
by kernel test robot 11 Sep '24

11 Sep '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 63fb41399626bd7c0b102eec56b5790ef3909db6 commit: db5bb24abc8dd120fd81b7ce21819e96578d011e [777/13927] LoongArch: Old BPI compatibility config: loongarch-randconfig-r061-20240911 (https://download.01.org/0day-ci/archive/20240911/202409111619.Ho8mrUHm-lkp@…) compiler: loongarch64-linux-gcc (GCC) 14.1.0 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/202409111619.Ho8mrUHm-lkp@intel.com/ cocci warnings: (new ones prefixed by >>) >> arch/loongarch/kernel/legacy_boot.c:439:25-27: WARNING !A || A && B is equivalent to !A || B vim +439 arch/loongarch/kernel/legacy_boot.c 423 424 static struct fwnode_handle * __init parse_isa_base(u64 *cpu_addr) 425 { 426 struct device_node *np; 427 const __be32 *ranges = NULL; 428 int len; 429 struct device_node *node; 430 431 for_each_node_by_name(np, "isa") { 432 node = of_node_get(np); 433 434 if (!node) 435 break; 436 437 ranges = of_get_property(node, "ranges", &len); 438 > 439 if (!ranges || (ranges && len > 0)) 440 break; 441 } 442 if (ranges) { 443 ranges += 2; 444 *cpu_addr = of_translate_address(np, ranges); 445 return &np->fwnode; 446 } 447 448 return NULL; 449 } 450 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-5.10] docs: perf: Add description for HiSilicon PCIe PMU driver
by Yushan Wang 11 Sep '24

11 Sep '24

From: Qi Liu <liuqi115(a)huawei.com> driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAQG34 CVE: NA ---------------------------------------------------------------------- PCIe PMU Root Complex Integrated End Point(RCiEP) device is supported on HiSilicon HIP09 platform. Document it to provide guidance on how to use it. Reviewed-by: John Garry <john.garry(a)huawei.com> Signed-off-by: Qi Liu <liuqi115(a)huawei.com> Reviewed-by: Shaokun Zhang <zhangshaokun(a)hisilicon.com> Link: https://lore.kernel.org/r/20211202080633.2919-2-liuqi115@huawei.com Signed-off-by: Will Deacon <will(a)kernel.org> Signed-off-by: zhangqz <14294317+zwx1160575(a)user.noreply.gitee.com> --- .../admin-guide/perf/hisi-pcie-pmu.rst | 106 ++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 Documentation/admin-guide/perf/hisi-pcie-pmu.rst diff --git a/Documentation/admin-guide/perf/hisi-pcie-pmu.rst b/Documentation/admin-guide/perf/hisi-pcie-pmu.rst new file mode 100644 index 000000000000..294ebbdb22af --- /dev/null +++ b/Documentation/admin-guide/perf/hisi-pcie-pmu.rst @@ -0,0 +1,106 @@ +================================================ +HiSilicon PCIe Performance Monitoring Unit (PMU) +================================================ + +On Hip09, HiSilicon PCIe Performance Monitoring Unit (PMU) could monitor +bandwidth, latency, bus utilization and buffer occupancy data of PCIe. + +Each PCIe Core has a PMU to monitor multi Root Ports of this PCIe Core and +all Endpoints downstream these Root Ports. + + +HiSilicon PCIe PMU driver +========================= + +The PCIe PMU driver registers a perf PMU with the name of its sicl-id and PCIe +Core id.:: + + /sys/bus/event_source/hisi_pcie<sicl>_<core> + +PMU driver provides description of available events and filter options in sysfs, +see /sys/bus/event_source/devices/hisi_pcie<sicl>_<core>. + +The "format" directory describes all formats of the config (events) and config1 +(filter options) fields of the perf_event_attr structure. The "events" directory +describes all documented events shown in perf list. + +The "identifier" sysfs file allows users to identify the version of the +PMU hardware device. + +The "bus" sysfs file allows users to get the bus number of Root Ports +monitored by PMU. + +Example usage of perf:: + + $# perf list + hisi_pcie0_0/rx_mwr_latency/ [kernel PMU event] + hisi_pcie0_0/rx_mwr_cnt/ [kernel PMU event] + ------------------------------------------ + + $# perf stat -e hisi_pcie0_0/rx_mwr_latency/ + $# perf stat -e hisi_pcie0_0/rx_mwr_cnt/ + $# perf stat -g -e hisi_pcie0_0/rx_mwr_latency/ -e hisi_pcie0_0/rx_mwr_cnt/ + +The current driver does not support sampling. So "perf record" is unsupported. +Also attach to a task is unsupported for PCIe PMU. + +Filter options +-------------- + +1. Target filter +PMU could only monitor the performance of traffic downstream target Root Ports +or downstream target Endpoint. PCIe PMU driver support "port" and "bdf" +interfaces for users, and these two interfaces aren't supported at the same +time. + +-port +"port" filter can be used in all PCIe PMU events, target Root Port can be +selected by configuring the 16-bits-bitmap "port". Multi ports can be selected +for AP-layer-events, and only one port can be selected for TL/DL-layer-events. + +For example, if target Root Port is 0000:00:00.0 (x8 lanes), bit0 of bitmap +should be set, port=0x1; if target Root Port is 0000:00:04.0 (x4 lanes), +bit8 is set, port=0x100; if these two Root Ports are both monitored, port=0x101. + +Example usage of perf:: + + $# perf stat -e hisi_pcie0_0/rx_mwr_latency,port=0x1/ sleep 5 + +-bdf + +"bdf" filter can only be used in bandwidth events, target Endpoint is selected +by configuring BDF to "bdf". Counter only counts the bandwidth of message +requested by target Endpoint. + +For example, "bdf=0x3900" means BDF of target Endpoint is 0000:39:00.0. + +Example usage of perf:: + + $# perf stat -e hisi_pcie0_0/rx_mrd_flux,bdf=0x3900/ sleep 5 + +2. Trigger filter +Event statistics start when the first time TLP length is greater/smaller +than trigger condition. You can set the trigger condition by writing "trig_len", +and set the trigger mode by writing "trig_mode". This filter can only be used +in bandwidth events. + +For example, "trig_len=4" means trigger condition is 2^4 DW, "trig_mode=0" +means statistics start when TLP length > trigger condition, "trig_mode=1" +means start when TLP length < condition. + +Example usage of perf:: + + $# perf stat -e hisi_pcie0_0/rx_mrd_flux,trig_len=0x4,trig_mode=1/ sleep 5 + +3. Threshold filter +Counter counts when TLP length within the specified range. You can set the +threshold by writing "thr_len", and set the threshold mode by writing +"thr_mode". This filter can only be used in bandwidth events. + +For example, "thr_len=4" means threshold is 2^4 DW, "thr_mode=0" means +counter counts when TLP length >= threshold, and "thr_mode=1" means counts +when TLP length < threshold. + +Example usage of perf:: + + $# perf stat -e hisi_pcie0_0/rx_mrd_flux,thr_len=0x4,thr_mode=1/ sleep 5 -- 2.33.0

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[openeuler:OLK-5.10 23170/30000] drivers/md/md.c:4884:38: sparse: sparse: dereference of noderef expression
by kernel test robot 11 Sep '24

11 Sep '24

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 5cdf8021f6f20b488b2592811728b3f934fae628 commit: 448fbeaf0f07ea578841346b938245f5c5220b9b [23170/30000] md: protect md_thread with rcu config: x86_64-randconfig-121-20240910 (https://download.01.org/0day-ci/archive/20240911/202409111647.nFxvLIVx-lkp@…) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240911/202409111647.nFxvLIVx-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/202409111647.nFxvLIVx-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/md/md.c:3392:29: sparse: sparse: self-comparison always evaluates to false drivers/md/md.c:3561:33: sparse: sparse: self-comparison always evaluates to false drivers/md/md.c:4341:36: sparse: sparse: self-comparison always evaluates to false >> drivers/md/md.c:4884:38: sparse: sparse: dereference of noderef expression drivers/md/md.c:5247:30: sparse: sparse: self-comparison always evaluates to false drivers/md/md.c:5284:30: sparse: sparse: self-comparison always evaluates to false drivers/md/md.c:5326:30: sparse: sparse: self-comparison always evaluates to false vim +4884 drivers/md/md.c 24dd469d728dae NeilBrown 2005-11-08 4857 e98a235fdfce57 Yu Kuai 2023-05-31 4858 static void stop_sync_thread(struct mddev *mddev) 24dd469d728dae NeilBrown 2005-11-08 4859 { e98a235fdfce57 Yu Kuai 2023-05-31 4860 if (!test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) e98a235fdfce57 Yu Kuai 2023-05-31 4861 return; 7eec314d7512d5 NeilBrown 2005-11-08 4862 e98a235fdfce57 Yu Kuai 2023-05-31 4863 if (mddev_lock(mddev)) e98a235fdfce57 Yu Kuai 2023-05-31 4864 return; e98a235fdfce57 Yu Kuai 2023-05-31 4865 e98a235fdfce57 Yu Kuai 2023-05-31 4866 /* e98a235fdfce57 Yu Kuai 2023-05-31 4867 * Check again in case MD_RECOVERY_RUNNING is cleared before lock is e98a235fdfce57 Yu Kuai 2023-05-31 4868 * held. e98a235fdfce57 Yu Kuai 2023-05-31 4869 */ e98a235fdfce57 Yu Kuai 2023-05-31 4870 if (!test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) { e98a235fdfce57 Yu Kuai 2023-05-31 4871 mddev_unlock(mddev); e98a235fdfce57 Yu Kuai 2023-05-31 4872 return; e98a235fdfce57 Yu Kuai 2023-05-31 4873 } 56ccc1125bc141 NeilBrown 2015-05-28 4874 cc1ffe61c026e2 Guoqing Jiang 2020-04-04 4875 if (work_pending(&mddev->del_work)) f851b60db0fd83 NeilBrown 2014-12-11 4876 flush_workqueue(md_misc_wq); e98a235fdfce57 Yu Kuai 2023-05-31 4877 7eec314d7512d5 NeilBrown 2005-11-08 4878 set_bit(MD_RECOVERY_INTR, &mddev->recovery); 1ade24b66e5223 Yu Kuai 2023-05-31 4879 /* 1ade24b66e5223 Yu Kuai 2023-05-31 4880 * Thread might be blocked waiting for metadata update which will now 1ade24b66e5223 Yu Kuai 2023-05-31 4881 * never happen. 1ade24b66e5223 Yu Kuai 2023-05-31 4882 */ 1ade24b66e5223 Yu Kuai 2023-05-31 4883 if (mddev->sync_thread) 1ade24b66e5223 Yu Kuai 2023-05-31 @4884 wake_up_process(mddev->sync_thread->tsk); e98a235fdfce57 Yu Kuai 2023-05-31 4885 8e8e2518fceca4 NeilBrown 2015-06-12 4886 mddev_unlock(mddev); 7eec314d7512d5 NeilBrown 2005-11-08 4887 } e98a235fdfce57 Yu Kuai 2023-05-31 4888 :::::: The code at line 4884 was first introduced by commit :::::: 1ade24b66e52235723afa4554f8cf6ecc2fb29b4 md: refactor idle/frozen_sync_thread() :::::: TO: Yu Kuai <yukuai3(a)huawei.com> :::::: CC: Jialin Zhang <zhangjialin11(a)huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-5.10 4865/30000] arch/x86/lib/copy_highpages.c:10:1: sparse: sparse: symbol 'hugepage_nocache_copy' was not declared. Should it be static?
by kernel test robot 11 Sep '24

11 Sep '24

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: a6042799048d28282f37a2a254f2757cea2c780a commit: 50d5bf1b6da9f74bf93f9dec601c09d45d6d8406 [4865/30000] x86: hugepage: use nt copy hugepage to AEP in x86 config: x86_64-randconfig-123-20240910 (https://download.01.org/0day-ci/archive/20240911/202409111327.wMHIgHKQ-lkp@…) 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/20240911/202409111327.wMHIgHKQ-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/202409111327.wMHIgHKQ-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> arch/x86/lib/copy_highpages.c:10:1: sparse: sparse: symbol 'hugepage_nocache_copy' was not declared. Should it be static? >> arch/x86/lib/copy_highpages.c:33:47: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void * @@ got void [noderef] __user *buffer @@ arch/x86/lib/copy_highpages.c:33:47: sparse: expected void * arch/x86/lib/copy_highpages.c:33:47: sparse: got void [noderef] __user *buffer >> arch/x86/lib/copy_highpages.c:20:5: sparse: sparse: symbol 'sysctl_hugepage_nocache_copy' was not declared. Should it be static? >> arch/x86/lib/copy_highpages.c:47:35: sparse: sparse: incorrect type in initializer (incompatible argument 3 (different address spaces)) @@ expected int ( [usertype] *proc_handler )( ... ) @@ got int ( * )( ... ) @@ arch/x86/lib/copy_highpages.c:47:35: sparse: expected int ( [usertype] *proc_handler )( ... ) arch/x86/lib/copy_highpages.c:47:35: sparse: got int ( * )( ... ) vim +/hugepage_nocache_copy +10 arch/x86/lib/copy_highpages.c 9 > 10 DEFINE_STATIC_KEY_FALSE(hugepage_nocache_copy); 11 #ifdef CONFIG_SYSCTL 12 static void set_hugepage_nocache_copy(bool enabled) 13 { 14 if (enabled) 15 static_branch_enable(&hugepage_nocache_copy); 16 else 17 static_branch_disable(&hugepage_nocache_copy); 18 } 19 > 20 int sysctl_hugepage_nocache_copy(struct ctl_table *table, int write, 21 void __user *buffer, size_t *lenp, loff_t *ppos) 22 { 23 struct ctl_table t; 24 int err; 25 int state; 26 27 if (write && !capable(CAP_SYS_ADMIN)) 28 return -EPERM; 29 30 state = static_branch_unlikely(&hugepage_nocache_copy); 31 t = *table; 32 t.data = &state; > 33 err = proc_dointvec_minmax(&t, write, buffer, lenp, ppos); 34 if (err < 0) 35 return err; 36 if (write) 37 set_hugepage_nocache_copy(state); 38 return err; 39 } 40 41 static struct ctl_table copy_highpages_table[] = { 42 { 43 .procname = "hugepage_nocache_copy", 44 .data = NULL, 45 .maxlen = sizeof(unsigned int), 46 .mode = 0600, > 47 .proc_handler = sysctl_hugepage_nocache_copy, 48 .extra1 = SYSCTL_ZERO, 49 .extra2 = SYSCTL_ONE, 50 }, 51 {} 52 }; 53 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-5.10 5003/30000] kernel/watchdog_hld.c:502:12: sparse: sparse: symbol '__hardlockup_detector_perf_init' was not declared. Should it be static?
by kernel test robot 11 Sep '24

11 Sep '24

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: a6042799048d28282f37a2a254f2757cea2c780a commit: 364de98eacea8dbfe4f926f62085aebf8534f403 [5003/30000] watchdog: Fix sleeping function called from atomic context config: x86_64-randconfig-121-20240910 (https://download.01.org/0day-ci/archive/20240911/202409111340.yXGUhELN-lkp@…) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240911/202409111340.yXGUhELN-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/202409111340.yXGUhELN-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> kernel/watchdog_hld.c:502:12: sparse: sparse: symbol '__hardlockup_detector_perf_init' was not declared. Should it be static? vim +/__hardlockup_detector_perf_init +502 kernel/watchdog_hld.c 501 > 502 int __init __hardlockup_detector_perf_init(void *not_used) 503 { 504 int ret = hardlockup_detector_event_create(); 505 506 if (ret) { 507 pr_info("Perf NMI watchdog permanently disabled\n"); 508 } else { 509 perf_event_release_kernel(this_cpu_read(watchdog_ev)); 510 this_cpu_write(watchdog_ev, NULL); 511 } 512 return ret; 513 } 514 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 14935/23703] lib/.tmp_test_free_pages.o: warning: objtool: missing symbol for section .text
by kernel test robot 11 Sep '24

11 Sep '24

Hi Matthew, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: bf039567abd9303dc03746afaaf0854f41ed853b commit: 07bfcd6945a587611c2812377494457fd2c4c452 [14935/23703] mm/page_alloc.c: fix freeing non-compound pages config: x86_64-buildonly-randconfig-006-20240911 (https://download.01.org/0day-ci/archive/20240911/202409111103.p0J9Jp9h-lkp@…) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240911/202409111103.p0J9Jp9h-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/202409111103.p0J9Jp9h-lkp@intel.com/ All warnings (new ones prefixed by >>): >> lib/.tmp_test_free_pages.o: warning: objtool: missing symbol for section .text -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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