Re: [PATCH v2 6/7] EDAC: add edac_check_mc_owner() to check MC owner

From: kbuild test robot
Date: Fri Aug 04 2017 - 09:07:18 EST

Hi Toshi,

[auto build test WARNING on pm/linux-next]
[also build test WARNING on v4.13-rc3]
[cannot apply to edac/linux_next bp/for-next next-20170804]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Toshi-Kani/enable-ghes_edac-on-selected-platforms/20170804-190846
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org)
include/linux/init.h:1: warning: no structured comments found
include/linux/mod_devicetable.h:687: warning: Excess struct/union/enum/typedef member 'ver_major' description in 'fsl_mc_device_id'
include/linux/mod_devicetable.h:687: warning: Excess struct/union/enum/typedef member 'ver_minor' description in 'fsl_mc_device_id'
include/linux/kthread.h:26: warning: Excess function parameter '...' description in 'kthread_create'
kernel/sys.c:1: warning: no structured comments found
include/linux/device.h:968: warning: No description found for parameter 'dma_ops'
drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found
>> drivers/edac/edac_mc.h:131: warning: Cannot understand *
on line 131 - I thought it was a doc line
include/linux/iio/iio.h:603: warning: No description found for parameter 'trig_readonly'
include/linux/iio/trigger.h:151: warning: No description found for parameter 'indio_dev'
include/linux/iio/trigger.h:151: warning: No description found for parameter 'trig'
include/linux/device.h:969: warning: No description found for parameter 'dma_ops'
drivers/ata/libata-eh.c:1449: warning: No description found for parameter 'link'
drivers/ata/libata-eh.c:1449: warning: Excess function parameter 'ap' description in 'ata_eh_done'
drivers/ata/libata-eh.c:1590: warning: No description found for parameter 'qc'
drivers/ata/libata-eh.c:1590: warning: Excess function parameter 'dev' description in 'ata_eh_request_sense'
drivers/mtd/nand/nand_base.c:2751: warning: Excess function parameter 'cached' description in 'nand_write_page'
drivers/mtd/nand/nand_base.c:2751: warning: Excess function parameter 'cached' description in 'nand_write_page'
arch/s390/include/asm/cmb.h:1: warning: no structured comments found
drivers/scsi/scsi_lib.c:1116: warning: No description found for parameter 'rq'
drivers/scsi/constants.c:1: warning: no structured comments found
include/linux/usb/gadget.h:230: warning: No description found for parameter 'claimed'
include/linux/usb/gadget.h:230: warning: No description found for parameter 'enabled'
include/linux/usb/gadget.h:412: warning: No description found for parameter 'quirk_altset_not_supp'
include/linux/usb/gadget.h:412: warning: No description found for parameter 'quirk_stall_not_supp'
include/linux/usb/gadget.h:412: warning: No description found for parameter 'quirk_zlp_not_supp'
fs/inode.c:1666: warning: No description found for parameter 'rcu'
include/linux/jbd2.h:443: warning: No description found for parameter 'i_transaction'
include/linux/jbd2.h:443: warning: No description found for parameter 'i_next_transaction'
include/linux/jbd2.h:443: warning: No description found for parameter 'i_list'
include/linux/jbd2.h:443: warning: No description found for parameter 'i_vfs_inode'
include/linux/jbd2.h:443: warning: No description found for parameter 'i_flags'
include/linux/jbd2.h:497: warning: No description found for parameter 'h_rsv_handle'
include/linux/jbd2.h:497: warning: No description found for parameter 'h_reserved'
include/linux/jbd2.h:497: warning: No description found for parameter 'h_type'
include/linux/jbd2.h:497: warning: No description found for parameter 'h_line_no'
include/linux/jbd2.h:497: warning: No description found for parameter 'h_start_jiffies'
include/linux/jbd2.h:497: warning: No description found for parameter 'h_requested_credits'
include/linux/jbd2.h:497: warning: No description found for parameter 'saved_alloc_context'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_chkpt_bhs'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_devname'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_average_commit_time'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_min_batch_time'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_max_batch_time'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_commit_callback'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_failed_commit'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_chksum_driver'
include/linux/jbd2.h:1050: warning: No description found for parameter 'j_csum_seed'
fs/jbd2/transaction.c:511: warning: No description found for parameter 'type'
fs/jbd2/transaction.c:511: warning: No description found for parameter 'line_no'
fs/jbd2/transaction.c:641: warning: No description found for parameter 'gfp_mask'
include/drm/drm_drv.h:537: warning: No description found for parameter 'set_busid'
include/drm/drm_drv.h:537: warning: No description found for parameter 'debugfs_init'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_open_object'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_close_object'
include/drm/drm_drv.h:537: warning: No description found for parameter 'prime_handle_to_fd'
include/drm/drm_drv.h:537: warning: No description found for parameter 'prime_fd_to_handle'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_prime_export'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_prime_import'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_prime_pin'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_prime_unpin'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_prime_res_obj'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_prime_get_sg_table'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_prime_import_sg_table'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_prime_vmap'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_prime_vunmap'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_prime_mmap'
include/drm/drm_drv.h:537: warning: No description found for parameter 'gem_vm_ops'
include/drm/drm_drv.h:537: warning: No description found for parameter 'major'
include/drm/drm_drv.h:537: warning: No description found for parameter 'minor'
include/drm/drm_drv.h:537: warning: No description found for parameter 'patchlevel'
include/drm/drm_drv.h:537: warning: No description found for parameter 'name'
include/drm/drm_drv.h:537: warning: No description found for parameter 'desc'
include/drm/drm_drv.h:537: warning: No description found for parameter 'date'
include/drm/drm_drv.h:537: warning: No description found for parameter 'driver_features'
include/drm/drm_drv.h:537: warning: No description found for parameter 'ioctls'
include/drm/drm_drv.h:537: warning: No description found for parameter 'num_ioctls'
include/drm/drm_drv.h:537: warning: No description found for parameter 'fops'
include/drm/drm_color_mgmt.h:1: warning: no structured comments found
drivers/gpu/drm/drm_syncobj.c:341: warning: Excess function parameter 'dev' description in 'drm_syncobj_open'
drivers/gpu/drm/drm_syncobj.c:366: warning: Excess function parameter 'dev' description in 'drm_syncobj_release'
include/drm/drm_syncobj.h:1: warning: no structured comments found
drivers/gpu/drm/drm_syncobj.c:342: warning: Excess function parameter 'dev' description in 'drm_syncobj_open'
drivers/gpu/drm/drm_syncobj.c:367: warning: Excess function parameter 'dev' description in 'drm_syncobj_release'
drivers/gpu/host1x/bus.c:50: warning: Excess function parameter 'driver' description in 'host1x_subdev_add'
Documentation/doc-guide/sphinx.rst:121: ERROR: Unknown target name: "sphinx c domain".
kernel/sched/fair.c:7584: WARNING: Inline emphasis start-string without end-string.
kernel/time/timer.c:1200: ERROR: Unexpected indentation.
kernel/time/timer.c:1202: ERROR: Unexpected indentation.
kernel/time/timer.c:1203: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/wait.h:108: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/wait.h:111: ERROR: Unexpected indentation.
include/linux/wait.h:113: WARNING: Block quote ends without a blank line; unexpected unindent.
kernel/time/hrtimer.c:991: WARNING: Block quote ends without a blank line; unexpected unindent.
kernel/signal.c:323: WARNING: Inline literal start-string without end-string.
kernel/rcu/tree.c:3187: ERROR: Unexpected indentation.
kernel/rcu/tree.c:3214: ERROR: Unexpected indentation.
kernel/rcu/tree.c:3215: WARNING: Bullet list ends without a blank line; unexpected unindent.
include/linux/iio/iio.h:219: ERROR: Unexpected indentation.
include/linux/iio/iio.h:220: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/iio/iio.h:226: WARNING: Definition list ends without a blank line; unexpected unindent.
drivers/iio/industrialio-core.c:633: ERROR: Unknown target name: "iio_val".
drivers/iio/industrialio-core.c:640: ERROR: Unknown target name: "iio_val".
drivers/ata/libata-core.c:5906: ERROR: Unknown target name: "hw".
drivers/message/fusion/mptbase.c:5051: WARNING: Definition list ends without a blank line; unexpected unindent.
drivers/tty/serial/serial_core.c:1897: WARNING: Definition list ends without a blank line; unexpected unindent.
drivers/pci/pci.c:3470: ERROR: Unexpected indentation.

vim +131 drivers/edac/edac_mc.h

97
98 /**
99 * edac_mc_alloc() - Allocate and partially fill a struct &mem_ctl_info.
100 *
101 * @mc_num: Memory controller number
102 * @n_layers: Number of MC hierarchy layers
103 * @layers: Describes each layer as seen by the Memory Controller
104 * @sz_pvt: size of private storage needed
105 *
106 *
107 * Everything is kmalloc'ed as one big chunk - more efficient.
108 * Only can be used if all structures have the same lifetime - otherwise
109 * you have to allocate and initialize your own structures.
110 *
111 * Use edac_mc_free() to free mc structures allocated by this function.
112 *
113 * .. note::
114 *
115 * drivers handle multi-rank memories in different ways: in some
116 * drivers, one multi-rank memory stick is mapped as one entry, while, in
117 * others, a single multi-rank memory stick would be mapped into several
118 * entries. Currently, this function will allocate multiple struct dimm_info
119 * on such scenarios, as grouping the multiple ranks require drivers change.
120 *
121 * Returns:
122 * On success, return a pointer to struct mem_ctl_info pointer;
123 * %NULL otherwise
124 */
125 struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
126 unsigned n_layers,
127 struct edac_mc_layer *layers,
128 unsigned sz_pvt);
129
130 /**
> 131 *
132 * edac_check_mc_owner - Check the owner of EDAC MC
133 *
134 * @mod_name: pointer to the module name
135 *
136 * Returns:
137 * 1 when EDAC MC is free or owned by the module name
138 * 0 when EDAC MC is owned by other module
139 */
140 extern int edac_check_mc_owner(const char *mod_name);
141

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