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Message-ID: <202312030630.GS0oaaXF-lkp@intel.com>
Date: Sun, 3 Dec 2023 14:31:50 +0800
From: kernel test robot <lkp@...el.com>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Josh Poimboeuf <jpoimboe@...hat.com>
Subject: kernel/stacktrace.c:138: warning: Function parameter or member 'tsk'
not described in 'stack_trace_save_tsk'
Hi Thomas,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 815fb87b753055df2d9e50f6cd80eb10235fe3e9
commit: 214d8ca6ee854f696f75e75511fe66b409e656db stacktrace: Provide common infrastructure
date: 4 years, 7 months ago
config: i386-allnoconfig (https://download.01.org/0day-ci/archive/20231203/202312030630.GS0oaaXF-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231203/202312030630.GS0oaaXF-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312030630.GS0oaaXF-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> kernel/stacktrace.c:138: warning: Function parameter or member 'tsk' not described in 'stack_trace_save_tsk'
>> kernel/stacktrace.c:138: warning: Excess function parameter 'task' description in 'stack_trace_save_tsk'
vim +138 kernel/stacktrace.c
126
127 /**
128 * stack_trace_save_tsk - Save a task stack trace into a storage array
129 * @task: The task to examine
130 * @store: Pointer to storage array
131 * @size: Size of the storage array
132 * @skipnr: Number of entries to skip at the start of the stack trace
133 *
134 * Return: Number of trace entries stored.
135 */
136 unsigned int stack_trace_save_tsk(struct task_struct *tsk, unsigned long *store,
137 unsigned int size, unsigned int skipnr)
> 138 {
139 stack_trace_consume_fn consume_entry = stack_trace_consume_entry_nosched;
140 struct stacktrace_cookie c = {
141 .store = store,
142 .size = size,
143 .skip = skipnr + 1,
144 };
145
146 if (!try_get_task_stack(tsk))
147 return 0;
148
149 arch_stack_walk(consume_entry, &c, tsk, NULL);
150 put_task_stack(tsk);
151 return c.len;
152 }
153
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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