* [groeck-staging:google-commits 5671/6115] arch/parisc/kernel/stacktrace.c:20:13: error: 'regs' undeclared
@ 2021-11-12 18:43 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-11-12 18:43 UTC (permalink / raw)
To: Sven Schnelle; +Cc: kbuild-all, linux-hwmon, Helge Deller
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git google-commits
head: cfb9e87ff8218995cac59c8225da1b31f2fb2507
commit: d5fd1c46a3cebbef254611682b95c315163e4620 [5671/6115] parisc/unwind: call callback with toplevel address
config: parisc-randconfig-r036-20211004 (attached as .config)
compiler: hppa-linux-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git/commit/?id=d5fd1c46a3cebbef254611682b95c315163e4620
git remote add groeck-staging https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
git fetch --no-tags groeck-staging google-commits
git checkout d5fd1c46a3cebbef254611682b95c315163e4620
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=parisc SHELL=/bin/bash arch/parisc/kernel/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from include/linux/kernel.h:11,
from include/linux/list.h:9,
from include/linux/module.h:12,
from arch/parisc/kernel/stacktrace.c:11:
arch/parisc/kernel/stacktrace.c: In function 'dump_trace':
>> arch/parisc/kernel/stacktrace.c:20:13: error: 'regs' undeclared (first use in this function)
20 | if (regs)
| ^~~~
include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var'
58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
| ^~~~
arch/parisc/kernel/stacktrace.c:20:9: note: in expansion of macro 'if'
20 | if (regs)
| ^~
arch/parisc/kernel/stacktrace.c:20:13: note: each undeclared identifier is reported only once for each function it appears in
20 | if (regs)
| ^~~~
include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var'
58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
| ^~~~
arch/parisc/kernel/stacktrace.c:20:9: note: in expansion of macro 'if'
20 | if (regs)
| ^~
>> arch/parisc/kernel/stacktrace.c:21:22: error: implicit declaration of function 'fn' [-Werror=implicit-function-declaration]
21 | if (!fn(cookie, regs->iaoq[0]))
| ^~
include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var'
58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
| ^~~~
arch/parisc/kernel/stacktrace.c:21:17: note: in expansion of macro 'if'
21 | if (!fn(cookie, regs->iaoq[0]))
| ^~
>> arch/parisc/kernel/stacktrace.c:21:25: error: 'cookie' undeclared (first use in this function)
21 | if (!fn(cookie, regs->iaoq[0]))
| ^~~~~~
include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var'
58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
| ^~~~
arch/parisc/kernel/stacktrace.c:21:17: note: in expansion of macro 'if'
21 | if (!fn(cookie, regs->iaoq[0]))
| ^~
cc1: some warnings being treated as errors
vim +/regs +20 arch/parisc/kernel/stacktrace.c
15
16 static void dump_trace(struct task_struct *task, struct stack_trace *trace)
17 {
18 struct unwind_frame_info info;
19
> 20 if (regs)
> 21 if (!fn(cookie, regs->iaoq[0]))
22 return;
23
24 unwind_frame_init_task(&info, task, NULL);
25
26 /* unwind stack and save entries in stack_trace struct */
27 trace->nr_entries = 0;
28 while (trace->nr_entries < trace->max_entries) {
29 if (unwind_once(&info) < 0 || info.ip == 0)
30 break;
31
32 if (__kernel_text_address(info.ip))
33 trace->entries[trace->nr_entries++] = info.ip;
34 }
35 }
36
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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