* arch/arm/kernel/return_address.c:44:1: warning: Label 'here' is not used. There is #if in function body so the label might be used in code that is removed by the preprocessor. [unusedLabelConfiguration]
@ 2022-04-02 6:40 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2022-04-02 6:40 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 4938 bytes --]
CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
CC: Ard Biesheuvel <ardb@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 88e6c0207623874922712e162e25d9dafd39661e
commit: c46c2c9b43f4f08f20dc06417fbf7091e4ca6d34 ARM: unwind: set frame.pc correctly for current-thread unwinding
date: 3 weeks ago
:::::: branch date: 4 hours ago
:::::: commit date: 3 weeks ago
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
>> arch/arm/kernel/return_address.c:44:1: warning: Label 'here' is not used. There is #if in function body so the label might be used in code that is removed by the preprocessor. [unusedLabelConfiguration]
here:
^
--
>> arch/arm/mm/ioremap.c:72:46: warning: Parameter 'vaddr' can be declared with const [constParameter]
struct static_vm *find_static_vm_vaddr(void *vaddr)
^
>> arch/arm/mm/ioremap.c:85:11: warning: Uninitialized variables: svm.vm, svm.list [uninitvar]
return svm;
^
arch/arm/mm/ioremap.c:81:16: note: Assuming condition is false
if (vm->addr > vaddr)
^
arch/arm/mm/ioremap.c:81:16: note: Assuming condition is false
if (vm->addr > vaddr)
^
arch/arm/mm/ioremap.c:85:11: note: Uninitialized variables: svm.vm, svm.list
return svm;
^
--
>> arch/arm/kernel/stacktrace.c:163:1: warning: Label 'here' is not used. There is #if in function body so the label might be used in code that is removed by the preprocessor. [unusedLabelConfiguration]
here:
^
>> arch/arm/kernel/stacktrace.c:133:61: warning: Parameter 'tsk' can be declared with const [constParameter]
static noinline void __save_stack_trace(struct task_struct *tsk,
^
--
>> arch/arm/kernel/setup.c:744:2: warning: There is an unknown macro here somewhere. Configuration is required. If for_each_machine_desc is a macro then please configure it. [unknownMacro]
for_each_machine_desc(p)
^
>> arch/arm/kernel/traps.c:497:1: warning: There is an unknown macro here somewhere. Configuration is required. If NOKPROBE_SYMBOL is a macro then please configure it. [unknownMacro]
NOKPROBE_SYMBOL(do_undefinstr)
^
>> arch/arm/mm/dma-mapping.c:999:2: warning: There is an unknown macro here somewhere. Configuration is required. If for_each_sg is a macro then please configure it. [unknownMacro]
for_each_sg(sg, s, i, j)
^
vim +/here +44 arch/arm/kernel/return_address.c
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 32
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 33 void *return_address(unsigned int level)
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 34 {
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 35 struct return_address_data data;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 36 struct stackframe frame;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 37
01223f365074d6 Keun-O Park 2013-03-18 38 data.level = level + 2;
01223f365074d6 Keun-O Park 2013-03-18 39 data.addr = NULL;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 40
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 41 frame.fp = (unsigned long)__builtin_frame_address(0);
a556ee1247b997 Behan Webster 2014-09-27 42 frame.sp = current_stack_pointer;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 43 frame.lr = (unsigned long)__builtin_return_address(0);
c46c2c9b43f4f0 Russell King (Oracle 2022-03-09 @44) here:
c46c2c9b43f4f0 Russell King (Oracle 2022-03-09 45) frame.pc = (unsigned long)&&here;
fed240d9c97438 Masami Hiramatsu 2021-10-21 46 #ifdef CONFIG_KRETPROBES
fed240d9c97438 Masami Hiramatsu 2021-10-21 47 frame.kr_cur = NULL;
fed240d9c97438 Masami Hiramatsu 2021-10-21 48 frame.tsk = current;
fed240d9c97438 Masami Hiramatsu 2021-10-21 49 #endif
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 50
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 51 walk_stackframe(&frame, save_return_addr, &data);
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 52
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 53 if (!data.level)
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 54 return data.addr;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 55 else
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 56 return NULL;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 57 }
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 58
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 3+ messages in thread
* arch/arm/kernel/return_address.c:44:1: warning: Label 'here' is not used. There is #if in function body so the label might be used in code that is removed by the preprocessor. [unusedLabelConfiguration]
@ 2022-12-25 5:44 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2022-12-25 5:44 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp
::::::
:::::: Manual check reason: "low confidence static check warning: arch/arm/kernel/return_address.c:44:1: warning: Label 'here' is not used. There is #if in function body so the label might be used in code that is removed by the preprocessor. [unusedLabelConfiguration]"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
CC: Ard Biesheuvel <ardb@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c
commit: c46c2c9b43f4f08f20dc06417fbf7091e4ca6d34 ARM: unwind: set frame.pc correctly for current-thread unwinding
date: 10 months ago
:::::: branch date: 31 hours ago
:::::: commit date: 10 months ago
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
reproduce (cppcheck warning):
# apt-get install cppcheck
git checkout c46c2c9b43f4f08f20dc06417fbf7091e4ca6d34
cppcheck --quiet --enable=style,performance,portability --template=gcc FILE
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
>> arch/arm/kernel/return_address.c:44:1: warning: Label 'here' is not used. There is #if in function body so the label might be used in code that is removed by the preprocessor. [unusedLabelConfiguration]
here:
^
vim +/here +44 arch/arm/kernel/return_address.c
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 32
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 33 void *return_address(unsigned int level)
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 34 {
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 35 struct return_address_data data;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 36 struct stackframe frame;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 37
01223f365074d6 Keun-O Park 2013-03-18 38 data.level = level + 2;
01223f365074d6 Keun-O Park 2013-03-18 39 data.addr = NULL;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 40
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 41 frame.fp = (unsigned long)__builtin_frame_address(0);
a556ee1247b997 Behan Webster 2014-09-27 42 frame.sp = current_stack_pointer;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 43 frame.lr = (unsigned long)__builtin_return_address(0);
c46c2c9b43f4f0 Russell King (Oracle 2022-03-09 @44) here:
c46c2c9b43f4f0 Russell King (Oracle 2022-03-09 45) frame.pc = (unsigned long)&&here;
fed240d9c97438 Masami Hiramatsu 2021-10-21 46 #ifdef CONFIG_KRETPROBES
fed240d9c97438 Masami Hiramatsu 2021-10-21 47 frame.kr_cur = NULL;
fed240d9c97438 Masami Hiramatsu 2021-10-21 48 frame.tsk = current;
fed240d9c97438 Masami Hiramatsu 2021-10-21 49 #endif
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 50
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 51 walk_stackframe(&frame, save_return_addr, &data);
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 52
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 53 if (!data.level)
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 54 return data.addr;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 55 else
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 56 return NULL;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 57 }
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 58
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 3+ messages in thread
* arch/arm/kernel/return_address.c:44:1: warning: Label 'here' is not used. There is #if in function body so the label might be used in code that is removed by the preprocessor. [unusedLabelConfiguration]
@ 2022-11-24 14:00 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2022-11-24 14:00 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp
::::::
:::::: Manual check reason: "low confidence static check warning: arch/arm/kernel/return_address.c:44:1: warning: Label 'here' is not used. There is #if in function body so the label might be used in code that is removed by the preprocessor. [unusedLabelConfiguration]"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
CC: Ard Biesheuvel <ardb@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c3eb11fbb826879be773c137f281569efce67aa8
commit: c46c2c9b43f4f08f20dc06417fbf7091e4ca6d34 ARM: unwind: set frame.pc correctly for current-thread unwinding
date: 9 months ago
:::::: branch date: 15 hours ago
:::::: commit date: 9 months ago
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
reproduce (cppcheck warning):
# apt-get install cppcheck
git checkout c46c2c9b43f4f08f20dc06417fbf7091e4ca6d34
cppcheck --quiet --enable=style,performance,portability --template=gcc FILE
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
>> arch/arm/kernel/return_address.c:44:1: warning: Label 'here' is not used. There is #if in function body so the label might be used in code that is removed by the preprocessor. [unusedLabelConfiguration]
here:
^
vim +/here +44 arch/arm/kernel/return_address.c
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 32
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 33 void *return_address(unsigned int level)
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 34 {
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 35 struct return_address_data data;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 36 struct stackframe frame;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 37
01223f365074d6 Keun-O Park 2013-03-18 38 data.level = level + 2;
01223f365074d6 Keun-O Park 2013-03-18 39 data.addr = NULL;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 40
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 41 frame.fp = (unsigned long)__builtin_frame_address(0);
a556ee1247b997 Behan Webster 2014-09-27 42 frame.sp = current_stack_pointer;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 43 frame.lr = (unsigned long)__builtin_return_address(0);
c46c2c9b43f4f0 Russell King (Oracle 2022-03-09 @44) here:
c46c2c9b43f4f0 Russell King (Oracle 2022-03-09 45) frame.pc = (unsigned long)&&here;
fed240d9c97438 Masami Hiramatsu 2021-10-21 46 #ifdef CONFIG_KRETPROBES
fed240d9c97438 Masami Hiramatsu 2021-10-21 47 frame.kr_cur = NULL;
fed240d9c97438 Masami Hiramatsu 2021-10-21 48 frame.tsk = current;
fed240d9c97438 Masami Hiramatsu 2021-10-21 49 #endif
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 50
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 51 walk_stackframe(&frame, save_return_addr, &data);
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 52
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 53 if (!data.level)
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 54 return data.addr;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 55 else
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 56 return NULL;
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 57 }
4bf1fa5a34aa2d Uwe Kleine-König 2009-07-21 58
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-12-25 5:45 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-04-02 6:40 arch/arm/kernel/return_address.c:44:1: warning: Label 'here' is not used. There is #if in function body so the label might be used in code that is removed by the preprocessor. [unusedLabelConfiguration] kernel test robot
2022-11-24 14:00 kernel test robot
2022-12-25 5:44 kernel test robot
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