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SubjectRe: [PATCH v2 21/24] dyndbg: adapt header macros to pass print-class
Hi Jim,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on next-20200613]
[cannot apply to jeyu/modules-next linux/master v5.7]
[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/Jim-Cromie/dynamic_debug-cleanups-query-features-WIP-print-classes/20200614-000302
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git df2fbf5bfa0e7fff8b4784507e4d68f200454318
config: arc-allyesconfig (attached as .config)
compiler: arc-elf-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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

drivers/dma/iop-adma.c: In function 'iop_adma_alloc_chan_resources':
drivers/dma/iop-adma.c:448:13: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
448 | hw_desc = (char *) iop_chan->device->dma_desc_pool;
| ^
drivers/dma/iop-adma.c:450:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
450 | (dma_addr_t) &hw_desc[idx * IOP_ADMA_SLOT_SIZE];
| ^
In file included from include/linux/printk.h:404,
from include/linux/kernel.h:15,
from include/linux/list.h:9,
from include/linux/module.h:12,
from drivers/dma/iop-adma.c:13:
drivers/dma/iop-adma.c: In function 'iop_adma_probe':
drivers/dma/iop-adma.c:1302:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
1302 | (void *) adev->dma_desc_pool);
| ^
include/linux/dynamic_debug.h:130:15: note: in definition of macro '__dynamic_func_call_cl'
130 | func(&id, ##__VA_ARGS__); | ^~~~~~~~~~~
>> include/linux/dynamic_debug.h:170:2: note: in expansion of macro '_dynamic_func_call_cl'
170 | _dynamic_func_call_cl(cl, fmt, __dynamic_dev_dbg, | ^~~~~~~~~~~~~~~~~~~~~
>> include/linux/dynamic_debug.h:184:2: note: in expansion of macro 'dynamic_dev_dbg_cl'
184 | dynamic_dev_dbg_cl(0, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:115:2: note: in expansion of macro 'dynamic_dev_dbg'
115 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~
drivers/dma/iop-adma.c:1300:2: note: in expansion of macro 'dev_dbg'
1300 | dev_dbg(&pdev->dev, "%s: allocated descriptor pool virt %p phys %pn",
| ^~~~~~~

vim +/_dynamic_func_call_cl +170 include/linux/dynamic_debug.h

126
127 #define __dynamic_func_call_cl(cl, id, fmt, func, ...) do { \
128 DEFINE_DYNAMIC_DEBUG_METADATA_CL(cl, id, fmt); \
129 if (DYNAMIC_DEBUG_BRANCH(id)) \
130 func(&id, ##__VA_ARGS__); \
131 } while (0)
132 #define __dynamic_func_call(id, fmt, func, ...) \
133 __dynamic_func_call_cl(0, id, fmt, func, ...)
134
135 #define __dynamic_func_call_no_desc_cl(cl, id, fmt, func, ...) do { \
136 DEFINE_DYNAMIC_DEBUG_METADATA_CL(cl, id, fmt); \
137 if (DYNAMIC_DEBUG_BRANCH(id)) \
138 func(__VA_ARGS__); \
139 } while (0)
140 #define __dynamic_func_call_no_desc(cl, id, fmt, func, ...) \
141 __dynamic_func_call_no_desc_cl(0, cl, id, fmt, func, ##__VA_ARGS__)
142
143 /*
144 * "Factory macro" for generating a call to func, guarded by a
145 * DYNAMIC_DEBUG_BRANCH. The dynamic debug descriptor will be
146 * initialized using the fmt argument. The function will be called with
147 * the address of the descriptor as first argument, followed by all
148 * the varargs. Note that fmt is repeated in invocations of this
149 * macro.
150 */
151 #define _dynamic_func_call_cl(cl, fmt, func, ...) \
152 __dynamic_func_call_cl(cl, __UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
153 #define _dynamic_func_call(fmt, func, ...) \
154 _dynamic_func_call_cl(0, fmt, func, ##__VA_ARGS__)
155 /*
156 * A variant that does the same, except that the descriptor is not
157 * passed as the first argument to the function; it is only called
158 * with precisely the macro's varargs.
159 */
160 #define _dynamic_func_call_no_desc_cl(cl, fmt, func, ...) \
161 __dynamic_func_call_no_desc_cl(cl, __UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
162 #define _dynamic_func_call_no_desc(fmt, func, ...) \
163 _dynamic_func_call_no_desc_cl(0, fmt, func, ##__VA_ARGS__)
164
165 #define dynamic_pr_debug_cl(cl, fmt, ...) \
166 _dynamic_func_call_cl(cl, fmt, __dynamic_pr_debug, \
167 pr_fmt(fmt), ##__VA_ARGS__)
168
169 #define dynamic_dev_dbg_cl(cl, dev, fmt, ...) \
> 170 _dynamic_func_call_cl(cl, fmt, __dynamic_dev_dbg, \
171 dev, fmt, ##__VA_ARGS__)
172
173 #define dynamic_netdev_dbg_cl(cl, dev, fmt, ...) \
174 _dynamic_func_call_cl(cl, fmt, __dynamic_netdev_dbg, \
175 dev, fmt, ##__VA_ARGS__)
176
177 #define dynamic_ibdev_dbg_cl(cl, dev, fmt, ...) \
178 _dynamic_func_call_cl(cl, fmt, __dynamic_ibdev_dbg, \
179 dev, fmt, ##__VA_ARGS__)
180
181 #define dynamic_pr_debug(...) \
182 dynamic_pr_debug_cl(0, ##__VA_ARGS__)
183 #define dynamic_dev_dbg(...) \
> 184 dynamic_dev_dbg_cl(0, ##__VA_ARGS__)
185 #define dynamic_netdev_dbg(...) \
186 dynamic_netdev_dbg_cl(0, ##__VA_ARGS__)
187 #define dynamic_ibdev_dbg(...) \
188 dynamic_ibdev_dbg_cl(0, ##__VA_ARGS__)
189

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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