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Message-ID: <202102112155.uovwvNwS-lkp@intel.com>
Date: Thu, 11 Feb 2021 21:07:50 +0800
From: kernel test robot <lkp@...el.com>
To: Hemansh Agnihotri <hemanshagnihotri27@...il.com>, johan@...nel.org,
elder@...nel.org, gregkh@...uxfoundation.org
Cc: kbuild-all@...ts.01.org, devel@...verdev.osuosl.org,
greybus-dev@...ts.linaro.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] staging: greybus: Added do - while in multi
statement macro
Hi Hemansh,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on staging/staging-testing]
url: https://github.com/0day-ci/linux/commits/Hemansh-Agnihotri/staging-greybus-Added-do-while-in-multi-statement-macro/20210211-175717
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 6953026f21092199a59f2c641a880b1c4025f932
config: m68k-randconfig-r003-20210211 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/e0f87bc4986d8e909dfda91664ce1700b01acb85
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Hemansh-Agnihotri/staging-greybus-Added-do-while-in-multi-statement-macro/20210211-175717
git checkout e0f87bc4986d8e909dfda91664ce1700b01acb85
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> drivers/staging/greybus/loopback.c:165:40: error: expected identifier or '(' before 'do'
165 | #define gb_loopback_stats_attrs(field) do { \
| ^~
drivers/staging/greybus/loopback.c:272:1: note: in expansion of macro 'gb_loopback_stats_attrs'
272 | gb_loopback_stats_attrs(latency);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:169:4: error: expected identifier or '(' before 'while'
169 | } while (0)
| ^~~~~
drivers/staging/greybus/loopback.c:272:1: note: in expansion of macro 'gb_loopback_stats_attrs'
272 | gb_loopback_stats_attrs(latency);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:165:40: error: expected identifier or '(' before 'do'
165 | #define gb_loopback_stats_attrs(field) do { \
| ^~
drivers/staging/greybus/loopback.c:274:1: note: in expansion of macro 'gb_loopback_stats_attrs'
274 | gb_loopback_stats_attrs(requests_per_second);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:169:4: error: expected identifier or '(' before 'while'
169 | } while (0)
| ^~~~~
drivers/staging/greybus/loopback.c:274:1: note: in expansion of macro 'gb_loopback_stats_attrs'
274 | gb_loopback_stats_attrs(requests_per_second);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:165:40: error: expected identifier or '(' before 'do'
165 | #define gb_loopback_stats_attrs(field) do { \
| ^~
drivers/staging/greybus/loopback.c:276:1: note: in expansion of macro 'gb_loopback_stats_attrs'
276 | gb_loopback_stats_attrs(throughput);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:169:4: error: expected identifier or '(' before 'while'
169 | } while (0)
| ^~~~~
drivers/staging/greybus/loopback.c:276:1: note: in expansion of macro 'gb_loopback_stats_attrs'
276 | gb_loopback_stats_attrs(throughput);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:165:40: error: expected identifier or '(' before 'do'
165 | #define gb_loopback_stats_attrs(field) do { \
| ^~
drivers/staging/greybus/loopback.c:278:1: note: in expansion of macro 'gb_loopback_stats_attrs'
278 | gb_loopback_stats_attrs(apbridge_unipro_latency);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:169:4: error: expected identifier or '(' before 'while'
169 | } while (0)
| ^~~~~
drivers/staging/greybus/loopback.c:278:1: note: in expansion of macro 'gb_loopback_stats_attrs'
278 | gb_loopback_stats_attrs(apbridge_unipro_latency);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:165:40: error: expected identifier or '(' before 'do'
165 | #define gb_loopback_stats_attrs(field) do { \
| ^~
drivers/staging/greybus/loopback.c:280:1: note: in expansion of macro 'gb_loopback_stats_attrs'
280 | gb_loopback_stats_attrs(gbphy_firmware_latency);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:169:4: error: expected identifier or '(' before 'while'
169 | } while (0)
| ^~~~~
drivers/staging/greybus/loopback.c:280:1: note: in expansion of macro 'gb_loopback_stats_attrs'
280 | gb_loopback_stats_attrs(gbphy_firmware_latency);
| ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:318:3: error: 'dev_attr_latency_min' undeclared here (not in a function); did you mean 'dev_attr_timeout_min'?
318 | &dev_attr_latency_min.attr,
| ^~~~~~~~~~~~~~~~~~~~
| dev_attr_timeout_min
>> drivers/staging/greybus/loopback.c:319:3: error: 'dev_attr_latency_max' undeclared here (not in a function); did you mean 'dev_attr_timeout_max'?
319 | &dev_attr_latency_max.attr,
| ^~~~~~~~~~~~~~~~~~~~
| dev_attr_timeout_max
>> drivers/staging/greybus/loopback.c:320:3: error: 'dev_attr_latency_avg' undeclared here (not in a function)
320 | &dev_attr_latency_avg.attr,
| ^~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:321:3: error: 'dev_attr_requests_per_second_min' undeclared here (not in a function)
321 | &dev_attr_requests_per_second_min.attr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:322:3: error: 'dev_attr_requests_per_second_max' undeclared here (not in a function)
322 | &dev_attr_requests_per_second_max.attr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:323:3: error: 'dev_attr_requests_per_second_avg' undeclared here (not in a function)
323 | &dev_attr_requests_per_second_avg.attr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:324:3: error: 'dev_attr_throughput_min' undeclared here (not in a function); did you mean 'dev_attr_timeout_min'?
324 | &dev_attr_throughput_min.attr,
| ^~~~~~~~~~~~~~~~~~~~~~~
| dev_attr_timeout_min
>> drivers/staging/greybus/loopback.c:325:3: error: 'dev_attr_throughput_max' undeclared here (not in a function); did you mean 'dev_attr_timeout_max'?
325 | &dev_attr_throughput_max.attr,
| ^~~~~~~~~~~~~~~~~~~~~~~
| dev_attr_timeout_max
>> drivers/staging/greybus/loopback.c:326:3: error: 'dev_attr_throughput_avg' undeclared here (not in a function)
326 | &dev_attr_throughput_avg.attr,
| ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/loopback.c:327:3: error: 'dev_attr_apbridge_unipro_latency_min' undeclared here (not in a function)
327 | &dev_attr_apbridge_unipro_latency_min.attr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/greybus/loopback.c:328:3: error: 'dev_attr_apbridge_unipro_latency_max' undeclared here (not in a function)
328 | &dev_attr_apbridge_unipro_latency_max.attr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/greybus/loopback.c:329:3: error: 'dev_attr_apbridge_unipro_latency_avg' undeclared here (not in a function)
329 | &dev_attr_apbridge_unipro_latency_avg.attr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/greybus/loopback.c:330:3: error: 'dev_attr_gbphy_firmware_latency_min' undeclared here (not in a function)
330 | &dev_attr_gbphy_firmware_latency_min.attr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/greybus/loopback.c:331:3: error: 'dev_attr_gbphy_firmware_latency_max' undeclared here (not in a function)
331 | &dev_attr_gbphy_firmware_latency_max.attr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/greybus/loopback.c:332:3: error: 'dev_attr_gbphy_firmware_latency_avg' undeclared here (not in a function)
332 | &dev_attr_gbphy_firmware_latency_avg.attr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +165 drivers/staging/greybus/loopback.c
164
> 165 #define gb_loopback_stats_attrs(field) do { \
166 gb_loopback_ro_stats_attr(field, min, u); \
167 gb_loopback_ro_stats_attr(field, max, u); \
168 gb_loopback_ro_avg_attr(field); \
> 169 } while (0)
170
171 #define gb_loopback_attr(field, type) \
172 static ssize_t field##_show(struct device *dev, \
173 struct device_attribute *attr, \
174 char *buf) \
175 { \
176 struct gb_loopback *gb = dev_get_drvdata(dev); \
177 return sprintf(buf, "%" #type "\n", gb->field); \
178 } \
179 static ssize_t field##_store(struct device *dev, \
180 struct device_attribute *attr, \
181 const char *buf, \
182 size_t len) \
183 { \
184 int ret; \
185 struct gb_loopback *gb = dev_get_drvdata(dev); \
186 mutex_lock(&gb->mutex); \
187 ret = sscanf(buf, "%"#type, &gb->field); \
188 if (ret != 1) \
189 len = -EINVAL; \
190 else \
191 gb_loopback_check_attr(gb, bundle); \
192 mutex_unlock(&gb->mutex); \
193 return len; \
194 } \
195 static DEVICE_ATTR_RW(field)
196
197 #define gb_dev_loopback_ro_attr(field, conn) \
198 static ssize_t field##_show(struct device *dev, \
199 struct device_attribute *attr, \
200 char *buf) \
201 { \
202 struct gb_loopback *gb = dev_get_drvdata(dev); \
203 return sprintf(buf, "%u\n", gb->field); \
204 } \
205 static DEVICE_ATTR_RO(field)
206
207 #define gb_dev_loopback_rw_attr(field, type) \
208 static ssize_t field##_show(struct device *dev, \
209 struct device_attribute *attr, \
210 char *buf) \
211 { \
212 struct gb_loopback *gb = dev_get_drvdata(dev); \
213 return sprintf(buf, "%" #type "\n", gb->field); \
214 } \
215 static ssize_t field##_store(struct device *dev, \
216 struct device_attribute *attr, \
217 const char *buf, \
218 size_t len) \
219 { \
220 int ret; \
221 struct gb_loopback *gb = dev_get_drvdata(dev); \
222 mutex_lock(&gb->mutex); \
223 ret = sscanf(buf, "%"#type, &gb->field); \
224 if (ret != 1) \
225 len = -EINVAL; \
226 else \
227 gb_loopback_check_attr(gb); \
228 mutex_unlock(&gb->mutex); \
229 return len; \
230 } \
231 static DEVICE_ATTR_RW(field)
232
233 static void gb_loopback_reset_stats(struct gb_loopback *gb);
234 static void gb_loopback_check_attr(struct gb_loopback *gb)
235 {
236 if (gb->us_wait > GB_LOOPBACK_US_WAIT_MAX)
237 gb->us_wait = GB_LOOPBACK_US_WAIT_MAX;
238 if (gb->size > gb_dev.size_max)
239 gb->size = gb_dev.size_max;
240 gb->requests_timedout = 0;
241 gb->requests_completed = 0;
242 gb->iteration_count = 0;
243 gb->send_count = 0;
244 gb->error = 0;
245
246 if (kfifo_depth < gb->iteration_max) {
247 dev_warn(gb->dev,
248 "cannot log bytes %u kfifo_depth %u\n",
249 gb->iteration_max, kfifo_depth);
250 }
251 kfifo_reset_out(&gb->kfifo_lat);
252
253 switch (gb->type) {
254 case GB_LOOPBACK_TYPE_PING:
255 case GB_LOOPBACK_TYPE_TRANSFER:
256 case GB_LOOPBACK_TYPE_SINK:
257 gb->jiffy_timeout = usecs_to_jiffies(gb->timeout);
258 if (!gb->jiffy_timeout)
259 gb->jiffy_timeout = GB_LOOPBACK_TIMEOUT_MIN;
260 else if (gb->jiffy_timeout > GB_LOOPBACK_TIMEOUT_MAX)
261 gb->jiffy_timeout = GB_LOOPBACK_TIMEOUT_MAX;
262 gb_loopback_reset_stats(gb);
263 wake_up(&gb->wq);
264 break;
265 default:
266 gb->type = 0;
267 break;
268 }
269 }
270
271 /* Time to send and receive one message */
272 gb_loopback_stats_attrs(latency);
273 /* Number of requests sent per second on this cport */
274 gb_loopback_stats_attrs(requests_per_second);
275 /* Quantity of data sent and received on this cport */
276 gb_loopback_stats_attrs(throughput);
277 /* Latency across the UniPro link from APBridge's perspective */
278 gb_loopback_stats_attrs(apbridge_unipro_latency);
279 /* Firmware induced overhead in the GPBridge */
280 gb_loopback_stats_attrs(gbphy_firmware_latency);
281
282 /* Number of errors encountered during loop */
283 gb_loopback_ro_attr(error);
284 /* Number of requests successfully completed async */
285 gb_loopback_ro_attr(requests_completed);
286 /* Number of requests timed out async */
287 gb_loopback_ro_attr(requests_timedout);
288 /* Timeout minimum in useconds */
289 gb_loopback_ro_attr(timeout_min);
290 /* Timeout minimum in useconds */
291 gb_loopback_ro_attr(timeout_max);
292
293 /*
294 * Type of loopback message to send based on protocol type definitions
295 * 0 => Don't send message
296 * 2 => Send ping message continuously (message without payload)
297 * 3 => Send transfer message continuously (message with payload,
298 * payload returned in response)
299 * 4 => Send a sink message (message with payload, no payload in response)
300 */
301 gb_dev_loopback_rw_attr(type, d);
302 /* Size of transfer message payload: 0-4096 bytes */
303 gb_dev_loopback_rw_attr(size, u);
304 /* Time to wait between two messages: 0-1000 ms */
305 gb_dev_loopback_rw_attr(us_wait, d);
306 /* Maximum iterations for a given operation: 1-(2^32-1), 0 implies infinite */
307 gb_dev_loopback_rw_attr(iteration_max, u);
308 /* The current index of the for (i = 0; i < iteration_max; i++) loop */
309 gb_dev_loopback_ro_attr(iteration_count, false);
310 /* A flag to indicate synchronous or asynchronous operations */
311 gb_dev_loopback_rw_attr(async, u);
312 /* Timeout of an individual asynchronous request */
313 gb_dev_loopback_rw_attr(timeout, u);
314 /* Maximum number of in-flight operations before back-off */
315 gb_dev_loopback_rw_attr(outstanding_operations_max, u);
316
317 static struct attribute *loopback_attrs[] = {
> 318 &dev_attr_latency_min.attr,
> 319 &dev_attr_latency_max.attr,
> 320 &dev_attr_latency_avg.attr,
> 321 &dev_attr_requests_per_second_min.attr,
> 322 &dev_attr_requests_per_second_max.attr,
> 323 &dev_attr_requests_per_second_avg.attr,
> 324 &dev_attr_throughput_min.attr,
> 325 &dev_attr_throughput_max.attr,
> 326 &dev_attr_throughput_avg.attr,
> 327 &dev_attr_apbridge_unipro_latency_min.attr,
> 328 &dev_attr_apbridge_unipro_latency_max.attr,
> 329 &dev_attr_apbridge_unipro_latency_avg.attr,
> 330 &dev_attr_gbphy_firmware_latency_min.attr,
> 331 &dev_attr_gbphy_firmware_latency_max.attr,
> 332 &dev_attr_gbphy_firmware_latency_avg.attr,
333 &dev_attr_type.attr,
334 &dev_attr_size.attr,
335 &dev_attr_us_wait.attr,
336 &dev_attr_iteration_count.attr,
337 &dev_attr_iteration_max.attr,
338 &dev_attr_async.attr,
339 &dev_attr_error.attr,
340 &dev_attr_requests_completed.attr,
341 &dev_attr_requests_timedout.attr,
342 &dev_attr_timeout.attr,
343 &dev_attr_outstanding_operations_max.attr,
344 &dev_attr_timeout_min.attr,
345 &dev_attr_timeout_max.attr,
346 NULL,
347 };
348 ATTRIBUTE_GROUPS(loopback);
349
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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