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[209.132.180.67]) by mx.google.com with ESMTP id wq10si9606121ejb.423.2019.10.13.12.33.01; Sun, 13 Oct 2019 12:33:26 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729540AbfJMTaZ (ORCPT + 99 others); Sun, 13 Oct 2019 15:30:25 -0400 Received: from mga03.intel.com ([134.134.136.65]:4203 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729374AbfJMTaZ (ORCPT ); Sun, 13 Oct 2019 15:30:25 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Oct 2019 12:30:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,293,1566889200"; d="gz'50?scan'50,208,50";a="199212867" Received: from lkp-server01.sh.intel.com (HELO lkp-server01) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 13 Oct 2019 12:30:16 -0700 Received: from kbuild by lkp-server01 with local (Exim 4.89) (envelope-from ) id 1iJjZH-000GYk-RT; Mon, 14 Oct 2019 03:30:15 +0800 Date: Mon, 14 Oct 2019 03:29:34 +0800 From: kbuild test robot To: Changbin Du Cc: kbuild-all@lists.01.org, Jonathan Corbet , linux-pci@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-crypto@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-wireless@vger.kernel.org, linux-fpga@vger.kernel.org, linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, Changbin Du Subject: Re: [PATCH] kernel-doc: rename the kernel-doc directive 'functions' to 'specific' Message-ID: <201910140347.fy4EKE69%lkp@intel.com> References: <20191013055359.23312-1-changbin.du@gmail.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="lquivkdwamayvc2f" Content-Disposition: inline In-Reply-To: <20191013055359.23312-1-changbin.du@gmail.com> X-Patchwork-Hint: ignore User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --lquivkdwamayvc2f Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Changbin, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [cannot apply to v5.4-rc2 next-20191010] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Changbin-Du/kernel-doc-rename-the-kernel-doc-directive-functions-to-specific/20191014-013215 reproduce: make htmldocs If you fix the issue, kindly add following tag Reported-by: kbuild test robot 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. WARNING: dot(1) not found, for better output quality install graphviz from http://www.graphviz.org WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org) Error: Cannot open file drivers/dma-buf/reservation.c Error: Cannot open file drivers/dma-buf/reservation.c Error: Cannot open file drivers/dma-buf/reservation.c Error: Cannot open file include/linux/reservation.h Error: Cannot open file include/linux/reservation.h >> include/linux/regulator/machine.h:196: warning: struct member 'max_uV_step' not described in 'regulation_constraints' >> include/linux/regulator/driver.h:223: warning: struct member 'resume' not described in 'regulator_ops' >> include/linux/i2c.h:337: warning: struct member 'init_irq' not described in 'i2c_client' drivers/gpio/gpiolib-of.c:92: warning: Excess function parameter 'dev' description in 'of_gpio_need_valid_mask' >> include/linux/spi/spi.h:190: warning: struct member 'driver_override' not described in 'spi_device' mm/util.c:1: warning: 'get_user_pages_fast' not found >> mm/slab.c:4215: warning: function parameter 'objp' not described in '__ksize' drivers/usb/typec/bus.c:1: warning: 'typec_altmode_register_driver' not found drivers/usb/typec/bus.c:1: warning: 'typec_altmode_unregister_driver' not found drivers/usb/typec/class.c:1: warning: 'typec_altmode_unregister_notifier' not found drivers/usb/typec/class.c:1: warning: 'typec_altmode_register_notifier' not found >> include/linux/w1.h:277: warning: struct member 'of_match_table' not described in 'w1_family' drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c:335: warning: Excess function parameter 'dev' description in 'amdgpu_gem_prime_export' drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c:336: warning: Excess function parameter 'dev' description in 'amdgpu_gem_prime_export' >> drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:142: warning: function parameter 'blockable' not described in 'amdgpu_mn_read_lock' 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 'start' not described in 'amdgpu_vm_pt_first_dfs' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: function parameter 'adev' not described in 'for_each_amdgpu_vm_pt_dfs_safe' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: function parameter 'vm' not described in 'for_each_amdgpu_vm_pt_dfs_safe' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: function parameter 'start' not described in 'for_each_amdgpu_vm_pt_dfs_safe' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: function parameter 'cursor' not described in 'for_each_amdgpu_vm_pt_dfs_safe' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: function parameter 'entry' not described in 'for_each_amdgpu_vm_pt_dfs_safe' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:821: warning: function parameter 'level' not described in 'amdgpu_vm_bo_param' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1283: warning: function parameter 'params' not described in 'amdgpu_vm_update_flags' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1283: warning: function parameter 'bo' not described in 'amdgpu_vm_update_flags' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1283: warning: function parameter 'level' not described in 'amdgpu_vm_update_flags' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1283: warning: function parameter 'pe' not described in 'amdgpu_vm_update_flags' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1283: warning: function parameter 'addr' not described in 'amdgpu_vm_update_flags' >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1283: warning: function parameter 'count' not described in 'amdgpu_vm_update_flags' vim +1207 drivers/gpu/drm/i915/i915_drv.h eec688e1420da5 Robert Bragg 2016-11-07 1069 16d98b31f80775 Robert Bragg 2016-12-07 1070 /** 16d98b31f80775 Robert Bragg 2016-12-07 1071 * struct i915_perf_stream - state for a single open stream FD 16d98b31f80775 Robert Bragg 2016-12-07 1072 */ eec688e1420da5 Robert Bragg 2016-11-07 1073 struct i915_perf_stream { 16d98b31f80775 Robert Bragg 2016-12-07 1074 /** 16d98b31f80775 Robert Bragg 2016-12-07 1075 * @dev_priv: i915 drm device 16d98b31f80775 Robert Bragg 2016-12-07 1076 */ eec688e1420da5 Robert Bragg 2016-11-07 1077 struct drm_i915_private *dev_priv; eec688e1420da5 Robert Bragg 2016-11-07 1078 16d98b31f80775 Robert Bragg 2016-12-07 1079 /** 16d98b31f80775 Robert Bragg 2016-12-07 1080 * @link: Links the stream into ``&drm_i915_private->streams`` 16d98b31f80775 Robert Bragg 2016-12-07 1081 */ eec688e1420da5 Robert Bragg 2016-11-07 1082 struct list_head link; eec688e1420da5 Robert Bragg 2016-11-07 1083 6d2438c8233bd0 Chris Wilson 2019-01-15 1084 /** 6d2438c8233bd0 Chris Wilson 2019-01-15 1085 * @wakeref: As we keep the device awake while the perf stream is 6d2438c8233bd0 Chris Wilson 2019-01-15 1086 * active, we track our runtime pm reference for later release. 6d2438c8233bd0 Chris Wilson 2019-01-15 1087 */ 6619c0075f784d Chris Wilson 2019-01-14 1088 intel_wakeref_t wakeref; 6619c0075f784d Chris Wilson 2019-01-14 1089 16d98b31f80775 Robert Bragg 2016-12-07 1090 /** 16d98b31f80775 Robert Bragg 2016-12-07 1091 * @sample_flags: Flags representing the `DRM_I915_PERF_PROP_SAMPLE_*` 16d98b31f80775 Robert Bragg 2016-12-07 1092 * properties given when opening a stream, representing the contents 16d98b31f80775 Robert Bragg 2016-12-07 1093 * of a single sample as read() by userspace. 16d98b31f80775 Robert Bragg 2016-12-07 1094 */ eec688e1420da5 Robert Bragg 2016-11-07 1095 u32 sample_flags; 16d98b31f80775 Robert Bragg 2016-12-07 1096 16d98b31f80775 Robert Bragg 2016-12-07 1097 /** 16d98b31f80775 Robert Bragg 2016-12-07 1098 * @sample_size: Considering the configured contents of a sample 16d98b31f80775 Robert Bragg 2016-12-07 1099 * combined with the required header size, this is the total size 16d98b31f80775 Robert Bragg 2016-12-07 1100 * of a single sample record. 16d98b31f80775 Robert Bragg 2016-12-07 1101 */ d79651522e89c4 Robert Bragg 2016-11-07 1102 int sample_size; eec688e1420da5 Robert Bragg 2016-11-07 1103 16d98b31f80775 Robert Bragg 2016-12-07 1104 /** 16d98b31f80775 Robert Bragg 2016-12-07 1105 * @ctx: %NULL if measuring system-wide across all contexts or a 16d98b31f80775 Robert Bragg 2016-12-07 1106 * specific context that is being monitored. 16d98b31f80775 Robert Bragg 2016-12-07 1107 */ eec688e1420da5 Robert Bragg 2016-11-07 1108 struct i915_gem_context *ctx; 16d98b31f80775 Robert Bragg 2016-12-07 1109 16d98b31f80775 Robert Bragg 2016-12-07 1110 /** 16d98b31f80775 Robert Bragg 2016-12-07 1111 * @enabled: Whether the stream is currently enabled, considering 16d98b31f80775 Robert Bragg 2016-12-07 1112 * whether the stream was opened in a disabled state and based 16d98b31f80775 Robert Bragg 2016-12-07 1113 * on `I915_PERF_IOCTL_ENABLE` and `I915_PERF_IOCTL_DISABLE` calls. 16d98b31f80775 Robert Bragg 2016-12-07 1114 */ eec688e1420da5 Robert Bragg 2016-11-07 1115 bool enabled; eec688e1420da5 Robert Bragg 2016-11-07 1116 16d98b31f80775 Robert Bragg 2016-12-07 1117 /** 16d98b31f80775 Robert Bragg 2016-12-07 1118 * @ops: The callbacks providing the implementation of this specific 16d98b31f80775 Robert Bragg 2016-12-07 1119 * type of configured stream. 16d98b31f80775 Robert Bragg 2016-12-07 1120 */ d79651522e89c4 Robert Bragg 2016-11-07 1121 const struct i915_perf_stream_ops *ops; 701f8231a2fe17 Lionel Landwerlin 2017-08-03 1122 701f8231a2fe17 Lionel Landwerlin 2017-08-03 1123 /** 701f8231a2fe17 Lionel Landwerlin 2017-08-03 1124 * @oa_config: The OA configuration used by the stream. 701f8231a2fe17 Lionel Landwerlin 2017-08-03 1125 */ 701f8231a2fe17 Lionel Landwerlin 2017-08-03 1126 struct i915_oa_config *oa_config; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1127 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1128 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 @1129 * The OA context specific information. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1130 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1131 struct intel_context *pinned_ctx; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1132 u32 specific_ctx_id; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1133 u32 specific_ctx_id_mask; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1134 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1135 struct hrtimer poll_check_timer; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1136 wait_queue_head_t poll_wq; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1137 bool pollin; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1138 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1139 bool periodic; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1140 int period_exponent; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1141 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1142 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 @1143 * State of the OA buffer. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1144 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1145 struct { a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1146 struct i915_vma *vma; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1147 u8 *vaddr; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1148 u32 last_ctx_id; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1149 int format; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1150 int format_size; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1151 int size_exponent; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1152 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1153 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 @1154 * Locks reads and writes to all head/tail state a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1155 * a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1156 * Consider: the head and tail pointer state needs to be read a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1157 * consistently from a hrtimer callback (atomic context) and a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1158 * read() fop (user context) with tail pointer updates happening a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1159 * in atomic context and head updates in user context and the a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1160 * (unlikely) possibility of read() errors needing to reset all a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1161 * head/tail state. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1162 * a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1163 * Note: Contention/performance aren't currently a significant a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1164 * concern here considering the relatively low frequency of a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1165 * hrtimer callbacks (5ms period) and that reads typically only a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1166 * happen in response to a hrtimer event and likely complete a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1167 * before the next callback. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1168 * a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1169 * Note: This lock is not held *while* reading and copying data a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1170 * to userspace so the value of head observed in htrimer a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1171 * callbacks won't represent any partial consumption of data. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1172 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1173 spinlock_t ptr_lock; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1174 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1175 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 @1176 * One 'aging' tail pointer and one 'aged' tail pointer ready to a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1177 * used for reading. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1178 * a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1179 * Initial values of 0xffffffff are invalid and imply that an a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1180 * update is required (and should be ignored by an attempted a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1181 * read) a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1182 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1183 struct { a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1184 u32 offset; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1185 } tails[2]; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1186 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1187 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 @1188 * Index for the aged tail ready to read() data up to. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1189 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1190 unsigned int aged_tail_idx; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1191 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1192 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 @1193 * A monotonic timestamp for when the current aging tail pointer a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1194 * was read; used to determine when it is old enough to trust. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1195 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1196 u64 aging_timestamp; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1197 a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1198 /** a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 @1199 * Although we can always read back the head pointer register, a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1200 * we prefer to avoid trusting the HW state, just to avoid any a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1201 * risk that some hardware condition could * somehow bump the a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1202 * head pointer unpredictably and cause us to forward the wrong a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1203 * OA buffer data to userspace. a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1204 */ a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1205 u32 head; a37f08a882b01a Umesh Nerlige Ramappa 2019-08-06 1206 } oa_buffer; d79651522e89c4 Robert Bragg 2016-11-07 @1207 }; d79651522e89c4 Robert Bragg 2016-11-07 1208 :::::: The code at line 1207 was first introduced by commit :::::: d79651522e89c4ffa8992b48dfe449f0c583f809 drm/i915: Enable i915 perf stream for Haswell OA unit :::::: TO: Robert Bragg :::::: CC: Daniel Vetter --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation --lquivkdwamayvc2f Content-Type: application/gzip Content-Disposition: attachment; filename=".config.gz" Content-Transfer-Encoding: base64 H4sICPNpo10AAy5jb25maWcAlDxrc+M2kt/3V7CSqquZ2krisT2O9678AQIhCTFJcAhQD39h KTLtUcWWfJK8O/PvrxskRZBsaHJbm8RGP/Bq9Jv++R8/B+z9uHtdHTfr1cvL9+C53Jb71bF8 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