Message-ID: <201908020558.xIUwDFcH%lkp@intel.com>
Date:   Fri, 2 Aug 2019 05:53:25 +0800
From:   kbuild test robot <lkp@...el.com>
To:     "Joel Fernandes (Google)" <joel@...lfernandes.org>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>
Subject: [rcu:dev.2019.07.31a 63/123] htmldocs: kernel/rcu/update.c:95:
 warning: Function parameter or member 'ret' not described in
 'rcu_read_lock_held_common'

tree:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2019.07.31a
head:   71cf692f482ff45802352cf85a8880035fca9e52
commit: ad881cd95e792a050dc860f2ee49b73d9804f42d [63/123] rcu: Add support for consolidated-RCU reader checking
reproduce: make htmldocs

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   Warning: The Sphinx 'sphinx_rtd_theme' HTML theme was not found. Make sure you have the theme installed to produce pretty HTML output. Falling back to the default theme.
   Documentation/sphinx/kfigure.py:174: RemovedInSphinx20Warning: app.verbose() is now deprecated. Use sphinx.util.logging instead.
     app.verbose("kfigure: check installed tools ...")
   Documentation/sphinx/kfigure.py:182: RemovedInSphinx20Warning: app.warning() is now deprecated. Use sphinx.util.logging instead.
     app.warn("dot(1) not found, for better output quality install "
   WARNING: dot(1) not found, for better output quality install graphviz from http://www.graphviz.org
   Documentation/sphinx/kfigure.py:188: RemovedInSphinx20Warning: app.warning() is now deprecated. Use sphinx.util.logging instead.
     "convert(1) not found, for SVG to PDF conversion install "
   WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org)
   Documentation/sphinx/kerneldoc.py:93: RemovedInSphinx20Warning: app.verbose() is now deprecated. Use sphinx.util.logging instead.
     env.app.verbose('calling kernel-doc \'%s\'' % (" ".join(cmd)))
   Documentation/sphinx/kerneldoc.py:125: RemovedInSphinx20Warning: AutodocReporter is now deprecated. Use sphinx.util.docutils.switch_source_input() instead.
     self.state.memo.reporter = AutodocReporter(result, self.state.memo.reporter)
   include/linux/generic-radix-tree.h:1: warning: no structured comments found
   lib/sort.c:59: warning: Excess function parameter 'size' description in 'swap_words_32'
   lib/sort.c:83: warning: Excess function parameter 'size' description in 'swap_words_64'
   lib/sort.c:110: warning: Excess function parameter 'size' description in 'swap_bytes'
   block/genhd.c:540: warning: Function parameter or member 'devt' not described in 'blk_invalidate_devt'
   kernel/rcu/tree_plugin.h:1: warning: no structured comments found
>> kernel/rcu/update.c:95: warning: Function parameter or member 'ret' not described in 'rcu_read_lock_held_common'
   include/linux/rculist.h:374: warning: Excess function parameter 'cond' description in 'list_for_each_entry_rcu'
   include/linux/rculist.h:651: warning: Excess function parameter 'cond' description in 'hlist_for_each_entry_rcu'
   include/net/cfg80211.h:1074: warning: Function parameter or member 'txpwr' not described in 'station_parameters'
   include/net/mac80211.h:4037: warning: Function parameter or member 'sta_set_txpwr' not described in 'ieee80211_ops'
   include/net/mac80211.h:2004: warning: Function parameter or member 'txpwr' not described in 'ieee80211_sta'
   kernel/rcu/tree_plugin.h:1: warning: no structured comments found
   include/linux/firmware/intel/stratix10-svc-client.h:1: warning: no structured comments found
   Error: Cannot open file drivers/counter/generic-counter.c
   Error: Cannot open file drivers/counter/generic-counter.c
   Documentation/sphinx/kerneldoc.py:103: RemovedInSphinx20Warning: app.warning() is now deprecated. Use sphinx.util.logging instead.
     env.app.warn('kernel-doc \'%s\' failed with return code %d' % (" ".join(cmd), p.returncode))
   include/linux/gpio/driver.h:374: warning: Function parameter or member 'init_valid_mask' not described in 'gpio_chip'
   include/linux/i2c.h:343: warning: Function parameter or member 'init_irq' not described in 'i2c_client'
   include/linux/iio/hw-consumer.h:1: warning: no structured comments found
   drivers/base/node.c:78: warning: Function parameter or member 'hmem_attrs' not described in 'node_access_nodes'
   drivers/base/node.c:690: warning: Function parameter or member 'mem_nid' not described in 'register_memory_node_under_compute_node'
   drivers/base/node.c:690: warning: Function parameter or member 'cpu_nid' not described in 'register_memory_node_under_compute_node'
   drivers/base/node.c:690: warning: Excess function parameter 'mem_node' description in 'register_memory_node_under_compute_node'
   drivers/base/node.c:690: warning: Excess function parameter 'cpu_node' description in 'register_memory_node_under_compute_node'
   include/linux/input/sparse-keymap.h:46: warning: Function parameter or member 'sw' not described in 'key_entry'
   include/linux/regulator/machine.h:199: warning: Function parameter or member 'max_uV_step' not described in 'regulation_constraints'
   include/linux/regulator/driver.h:228: warning: Function parameter or member 'resume' not described in 'regulator_ops'
   drivers/slimbus/stream.c:1: warning: no structured comments found
   include/linux/spi/spi.h:188: warning: Function parameter or member 'driver_override' not described in 'spi_device'
   drivers/target/target_core_device.c:1: warning: no structured comments found
   drivers/usb/typec/bus.c:1: warning: no structured comments found
   drivers/usb/typec/class.c:1: warning: no structured comments found
   include/linux/w1.h:281: warning: Function parameter or member 'of_match_table' not described in 'w1_family'
   fs/direct-io.c:257: warning: Excess function parameter 'offset' description in 'dio_complete'
   fs/file_table.c:1: warning: no structured comments found
   fs/libfs.c:479: warning: Excess function parameter 'available' description in 'simple_write_end'
   fs/posix_acl.c:646: warning: Function parameter or member 'inode' not described in 'posix_acl_update_mode'
   fs/posix_acl.c:646: warning: Function parameter or member 'mode_p' not described in 'posix_acl_update_mode'
   fs/posix_acl.c:646: warning: Function parameter or member 'acl' not described in 'posix_acl_update_mode'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:294: warning: Excess function parameter 'mm' description in 'amdgpu_mn_invalidate_range_start_hsa'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:294: warning: Excess function parameter 'start' description in 'amdgpu_mn_invalidate_range_start_hsa'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:294: warning: Excess function parameter 'end' description in 'amdgpu_mn_invalidate_range_start_hsa'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:343: warning: Excess function parameter 'mm' description in 'amdgpu_mn_invalidate_range_end'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:343: warning: Excess function parameter 'start' description in 'amdgpu_mn_invalidate_range_end'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:343: warning: Excess function parameter 'end' description in 'amdgpu_mn_invalidate_range_end'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:183: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_read_lock'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:295: warning: Function parameter or member 'range' not described in 'amdgpu_mn_invalidate_range_start_hsa'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:295: warning: Excess function parameter 'mm' description in 'amdgpu_mn_invalidate_range_start_hsa'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:295: warning: Excess function parameter 'start' description in 'amdgpu_mn_invalidate_range_start_hsa'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:295: warning: Excess function parameter 'end' description in 'amdgpu_mn_invalidate_range_start_hsa'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:344: warning: Function parameter or member 'range' not described in 'amdgpu_mn_invalidate_range_end'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:344: warning: Excess function parameter 'mm' description in 'amdgpu_mn_invalidate_range_end'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:344: warning: Excess function parameter 'start' description in 'amdgpu_mn_invalidate_range_end'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:344: warning: Excess function parameter 'end' description in 'amdgpu_mn_invalidate_range_end'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:347: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor '
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:348: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor '
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:494: warning: Function parameter or member 'start' not described in 'amdgpu_vm_pt_first_dfs'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'adev' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'vm' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'start' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'cursor' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'entry' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:823: warning: Function parameter or member 'level' not described in 'amdgpu_vm_bo_param'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'params' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'bo' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'level' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'pe' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'addr' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'count' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'incr' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'flags' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2812: warning: Function parameter or member 'pasid' not described in 'amdgpu_vm_make_compute'
   drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:375: warning: Excess function parameter 'entry' description in 'amdgpu_irq_dispatch'
   drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:376: warning: Function parameter or member 'ih' not described in 'amdgpu_irq_dispatch'
   drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:376: warning: Excess function parameter 'entry' description in 'amdgpu_irq_dispatch'
   drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:1: warning: no structured comments found
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:128: warning: Incorrect use of kernel-doc format:          * @atomic_obj
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:210: warning: Function parameter or member 'atomic_obj' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:210: warning: Function parameter or member 'backlight_link' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:210: warning: Function parameter or member 'backlight_caps' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:210: warning: Function parameter or member 'freesync_module' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:210: warning: Function parameter or member 'fw_dmcu' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:210: warning: Function parameter or member 'dmcu_fw_version' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning: no structured comments found
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_pin' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_unpin' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_res_obj' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_get_sg_table' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_import_sg_table' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_vmap' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_vunmap' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_mmap' not described in 'drm_driver'
   include/drm/drm_modeset_helper_vtables.h:1004: warning: Function parameter or member 'prepare_writeback_job' not described in 'drm_connector_helper_funcs'
   include/drm/drm_modeset_helper_vtables.h:1004: warning: Function parameter or member 'cleanup_writeback_job' not described in 'drm_connector_helper_funcs'
   include/drm/drm_atomic_state_helper.h:1: warning: no structured comments found
   drivers/gpu/drm/scheduler/sched_main.c:419: warning: Function parameter or member 'full_recovery' not described in 'drm_sched_start'
   drivers/gpu/drm/i915/i915_vma.h:50: warning: cannot understand function prototype: 'struct i915_vma '
   drivers/gpu/drm/i915/i915_vma.h:1: warning: no structured comments found
   drivers/gpu/drm/i915/intel_guc_fwif.h:536: warning: cannot understand function prototype: 'struct guc_log_buffer_state '
   drivers/gpu/drm/i915/i915_trace.h:1: warning: no structured comments found
   drivers/gpu/drm/i915/i915_reg.h:156: warning: bad line: 
   include/linux/interconnect.h:1: warning: no structured comments found
   include/linux/skbuff.h:897: warning: Function parameter or member 'dev_scratch' not described in 'sk_buff'
   include/linux/skbuff.h:897: warning: Function parameter or member 'list' not described in 'sk_buff'
   include/linux/skbuff.h:897: warning: Function parameter or member 'ip_defrag_offset' not described in 'sk_buff'

vim +95 kernel/rcu/update.c

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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