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From: kernel test robot <lkp@intel.com>
To: Jim Cromie <jim.cromie@gmail.com>,
	jbaron@akamai.com, linux-kernel@vger.kernel.org,
	akpm@linuxfoundation.org, gregkh@linuxfoundation.org
Cc: kbuild-all@lists.01.org, linux@rasmusvillemoes.dk,
	Jim Cromie <jim.cromie@gmail.com>, Petr Mladek <pmladek@suse.com>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH v2 21/24] dyndbg: adapt header macros to pass print-class
Date: Sun, 14 Jun 2020 01:11:50 +0800	[thread overview]
Message-ID: <202006140119.0wsy3g0Y%lkp@intel.com> (raw)
In-Reply-To: <20200613155738.2249399-22-jim.cromie@gmail.com>

[-- Attachment #1: Type: text/plain, Size: 7795 bytes --]

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: um-allmodconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=um 

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 <<):

cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
In file included from include/linux/kernel.h:11,
from include/linux/skbuff.h:13,
from include/linux/netlink.h:7,
from include/uapi/linux/genetlink.h:6,
from include/linux/genetlink.h:5,
from include/net/genetlink.h:5,
from drivers/net/wireless/ti/wl18xx/event.c:8:
include/asm-generic/fixmap.h: In function 'fix_to_virt':
include/asm-generic/fixmap.h:32:19: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
32 |  BUILD_BUG_ON(idx >= __end_of_fixed_addresses);
|                   ^~
include/linux/compiler.h:372:9: note: in definition of macro '__compiletime_assert'
372 |   if (!(condition))              |         ^~~~~~~~~
include/linux/compiler.h:392:2: note: in expansion of macro '_compiletime_assert'
392 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
|  ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
|                                     ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
|  ^~~~~~~~~~~~~~~~
include/asm-generic/fixmap.h:32:2: note: in expansion of macro 'BUILD_BUG_ON'
32 |  BUILD_BUG_ON(idx >= __end_of_fixed_addresses);
|  ^~~~~~~~~~~~
In file included from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/huge_mm.h:8,
from include/linux/mm.h:675,
from include/linux/bvec.h:13,
from include/linux/skbuff.h:17,
from include/linux/netlink.h:7,
from include/uapi/linux/genetlink.h:6,
from include/linux/genetlink.h:5,
from include/net/genetlink.h:5,
from drivers/net/wireless/ti/wl18xx/event.c:8:
arch/um/include/asm/uaccess.h: In function '__access_ok':
arch/um/include/asm/uaccess.h:17:29: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
17 |    (((unsigned long) (addr) >= FIXADDR_USER_START) &&          |                             ^~
arch/um/include/asm/uaccess.h:45:3: note: in expansion of macro '__access_ok_vsyscall'
45 |   __access_ok_vsyscall(addr, size) ||
|   ^~~~~~~~~~~~~~~~~~~~
In file included from include/linux/printk.h:404,
from include/linux/kernel.h:15,
from include/linux/skbuff.h:13,
from include/linux/netlink.h:7,
from include/uapi/linux/genetlink.h:6,
from include/linux/genetlink.h:5,
from include/net/genetlink.h:5,
from drivers/net/wireless/ti/wl18xx/event.c:8:
drivers/net/wireless/ti/wl18xx/event.c: In function 'wlcore_smart_config_decode_event':
include/linux/kernel.h:943:63: warning: comparison is always true due to limited range of data type [-Wtype-limits]
943 | #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
|                                                               ^
include/linux/dynamic_debug.h:138:8: note: in definition of macro '__dynamic_func_call_no_desc_cl'
138 |   func(__VA_ARGS__);              |        ^~~~~~~~~~~
>> include/linux/dynamic_debug.h:163:2: note: in expansion of macro '_dynamic_func_call_no_desc_cl'
163 |  _dynamic_func_call_no_desc_cl(0, fmt, func, ##__VA_ARGS__)
|  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:192:2: note: in expansion of macro '_dynamic_func_call_no_desc'
192 |  _dynamic_func_call_no_desc(__builtin_constant_p(prefix_str) ? prefix_str : "hexdump",          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/printk.h:594:2: note: in expansion of macro 'dynamic_hex_dump'
594 |  dynamic_hex_dump(prefix_str, prefix_type, rowsize,          |  ^~~~~~~~~~~~~~~~
drivers/net/wireless/ti/wl18xx/../wlcore/debug.h:91:4: note: in expansion of macro 'print_hex_dump_debug'
91 |    print_hex_dump_debug(DRIVER_PREFIX prefix,                |    ^~~~~~~~~~~~~~~~~~~~
include/linux/kernel.h:876:3: note: in expansion of macro '__cmp'
876 |   __cmp(x, y, op),          |   ^~~~~
include/linux/kernel.h:943:27: note: in expansion of macro '__careful_cmp'
943 | #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
|                           ^~~~~~~~~~~~~
drivers/net/wireless/ti/wl18xx/../wlcore/debug.h:94:6: note: in expansion of macro 'min_t'
94 |      min_t(size_t, len, DEBUG_DUMP_LIMIT),          |      ^~~~~
drivers/net/wireless/ti/wl18xx/event.c:86:2: note: in expansion of macro 'wl1271_dump_ascii'
86 |  wl1271_dump_ascii(DEBUG_EVENT, "SSID:", ssid, ssid_len);
|  ^~~~~~~~~~~~~~~~~

vim +/_dynamic_func_call_no_desc_cl +163 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	

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

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  reply	other threads:[~2020-06-13 17:33 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-13 15:57 [PATCH v2 00/24] dynamic_debug cleanups, query features, WIP print-classes Jim Cromie
2020-06-13 15:57 ` [PATCH v2 01/24] dyndbg-docs: eschew file /full/path query in docs Jim Cromie
2020-06-14  6:04   ` Greg KH
2020-06-14 14:24     ` jim.cromie
2020-06-13 15:57 ` [PATCH v2 02/24] dyndbg-docs: initialization is done early, not arch Jim Cromie
2020-06-13 15:57 ` [PATCH v2 03/24] dyndbg: drop obsolete comment on ddebug_proc_open Jim Cromie
2020-06-13 15:57 ` [PATCH v2 04/24] dyndbg: refine debug verbosity; 1 is basic, 2 more chatty Jim Cromie
2020-06-13 15:57 ` [PATCH v2 05/24] dyndbg: rename __verbose section to __dyndbg Jim Cromie
2020-06-13 15:57 ` [PATCH v2 06/24] dyndbg: fix overcounting of ram used by dyndbg Jim Cromie
2020-06-13 15:57 ` [PATCH v2 07/24] dyndbg: fix a BUG_ON in ddebug_describe_flags Jim Cromie
2020-06-15 13:20   ` Petr Mladek
2020-06-15 21:53     ` jim.cromie
2020-06-13 15:57 ` [PATCH v2 08/24] dyndbg: make ddebug_tables list LIFO for add/remove_module Jim Cromie
2020-06-13 15:57 ` [PATCH v2 09/24] dyndbg: add maybe(str,"") macro to reduce code Jim Cromie
2020-06-13 16:14   ` Joe Perches
2020-06-15 20:50     ` jim.cromie
2020-06-15 13:28   ` Petr Mladek
2020-06-15 20:52     ` jim.cromie
2020-06-13 15:57 ` [PATCH v2 10/24] dyndbg: refactor parse_linerange out of ddebug_parse_query Jim Cromie
2020-06-15 13:37   ` Petr Mladek
2020-06-15 22:37     ` jim.cromie
2020-06-13 15:57 ` [PATCH v2 11/24] dyndbg: accept 'file foo.c:func1' and 'file foo.c:10-100' Jim Cromie
2020-06-15 14:46   ` Petr Mladek
2020-06-13 15:57 ` [PATCH v2 12/24] dyndbg: refactor ddebug_read_flags out of ddebug_parse_flags Jim Cromie
2020-06-13 15:57 ` [PATCH v2 13/24] dyndbg: combine flags & mask into a struct, use that Jim Cromie
2020-06-15 15:14   ` Petr Mladek
2020-06-16  5:47     ` jim.cromie
2020-06-16 11:34       ` Petr Mladek
2020-06-13 15:57 ` [PATCH v2 14/24] dyndbg: add filter parameter to ddebug_parse_flags Jim Cromie
2020-06-15 15:17   ` Petr Mladek
2020-06-13 15:57 ` [PATCH v2 15/24] dyndbg: extend ddebug_parse_flags to accept optional leading filter-flags Jim Cromie
2020-06-15 15:37   ` Petr Mladek
2020-06-13 15:57 ` [PATCH v2 16/24] dyndbg: prefer declarative init in caller, to memset in callee Jim Cromie
2020-06-13 15:57 ` [PATCH v2 17/24] dyndbg: add user-flag, negating-flags, and filtering on flags Jim Cromie
2020-06-16 11:41   ` Petr Mladek
2020-06-13 15:57 ` [PATCH v2 18/24] dyndbg: allow negating flag-chars in modflags Jim Cromie
2020-06-16 11:47   ` Petr Mladek
2020-06-13 15:57 ` [PATCH v2 19/24] dyndbg: accept query terms like module:foo and file=bar Jim Cromie
2020-06-16 11:57   ` Petr Mladek
2020-06-16 20:08     ` jim.cromie
2020-06-17 12:11       ` Petr Mladek
2020-06-17 13:32         ` jim.cromie
2020-06-17 14:01           ` Greg KH
2020-06-13 15:57 ` [PATCH v2 20/24] dyndbg: WIP towards debug-print-class based callsite controls Jim Cromie
2020-06-13 19:22   ` Joe Perches
2020-06-16 13:45   ` Petr Mladek
2020-06-16 21:05     ` Joe Perches
2020-06-17  9:31       ` Daniel Thompson
2020-06-17  9:52         ` Petr Mladek
2020-06-17 13:23           ` jim.cromie
2020-06-18 12:20             ` Petr Mladek
2020-06-16 21:13     ` jim.cromie
2020-06-16 21:25       ` jim.cromie
2020-06-13 15:57 ` [PATCH v2 21/24] dyndbg: adapt header macros to pass print-class Jim Cromie
2020-06-13 17:11   ` kernel test robot [this message]
2020-06-13 20:25   ` kernel test robot
2020-06-13 15:57 ` [PATCH v2 22/24] dyndbg: add print-class as trailing number to control output Jim Cromie
2020-06-13 15:57 ` [PATCH v2 23/24] kset-example: add pr_debug()s for easy visibility of its operation Jim Cromie
2020-06-14  6:05   ` Greg KH
2020-06-15 22:18     ` jim.cromie
2020-06-16  6:37       ` Greg KH
2020-06-13 15:57 ` [PATCH v2 24/24] kset-example: use pr_debug_n to create example print-classes Jim Cromie

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