* arch/riscv/kernel/stacktrace.c:78:8: error: 'sp_in_global' undeclared
@ 2020-04-10 18:03 ` kbuild test robot
0 siblings, 0 replies; 4+ messages in thread
From: kbuild test robot @ 2020-04-10 18:03 UTC (permalink / raw)
To: Palmer Dabbelt; +Cc: kbuild-all, linux-kernel
[-- Attachment #1: Type: text/plain, Size: 2260 bytes --]
Hi Palmer,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c0cc271173b2e1c2d8d0ceaef14e4dfa79eefc0d
commit: 52e7c52d2ded5908e6a4f8a7248e5fa6e0d6809a RISC-V: Stop relying on GCC's register allocator's hueristics
date: 5 weeks ago
config: riscv-allnoconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 52e7c52d2ded5908e6a4f8a7248e5fa6e0d6809a
# save the attached .config to linux build tree
GCC_VERSION=9.3.0 make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/riscv/kernel/stacktrace.c: In function 'walk_stackframe':
>> arch/riscv/kernel/stacktrace.c:78:8: error: 'sp_in_global' undeclared (first use in this function)
78 | sp = sp_in_global;
| ^~~~~~~~~~~~
arch/riscv/kernel/stacktrace.c:78:8: note: each undeclared identifier is reported only once for each function it appears in
vim +/sp_in_global +78 arch/riscv/kernel/stacktrace.c
67
68 static void notrace walk_stackframe(struct task_struct *task,
69 struct pt_regs *regs, bool (*fn)(unsigned long, void *), void *arg)
70 {
71 unsigned long sp, pc;
72 unsigned long *ksp;
73
74 if (regs) {
75 sp = user_stack_pointer(regs);
76 pc = instruction_pointer(regs);
77 } else if (task == NULL || task == current) {
> 78 sp = sp_in_global;
79 pc = (unsigned long)walk_stackframe;
80 } else {
81 /* task blocked in __switch_to */
82 sp = task->thread.sp;
83 pc = task->thread.ra;
84 }
85
86 if (unlikely(sp & 0x7))
87 return;
88
89 ksp = (unsigned long *)sp;
90 while (!kstack_end(ksp)) {
91 if (__kernel_text_address(pc) && unlikely(fn(pc, arg)))
92 break;
93 pc = (*ksp++) - 0x4;
94 }
95 }
96
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 5360 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
* arch/riscv/kernel/stacktrace.c:78:8: error: 'sp_in_global' undeclared
@ 2020-04-10 18:03 ` kbuild test robot
0 siblings, 0 replies; 4+ messages in thread
From: kbuild test robot @ 2020-04-10 18:03 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 2326 bytes --]
Hi Palmer,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c0cc271173b2e1c2d8d0ceaef14e4dfa79eefc0d
commit: 52e7c52d2ded5908e6a4f8a7248e5fa6e0d6809a RISC-V: Stop relying on GCC's register allocator's hueristics
date: 5 weeks ago
config: riscv-allnoconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 52e7c52d2ded5908e6a4f8a7248e5fa6e0d6809a
# save the attached .config to linux build tree
GCC_VERSION=9.3.0 make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/riscv/kernel/stacktrace.c: In function 'walk_stackframe':
>> arch/riscv/kernel/stacktrace.c:78:8: error: 'sp_in_global' undeclared (first use in this function)
78 | sp = sp_in_global;
| ^~~~~~~~~~~~
arch/riscv/kernel/stacktrace.c:78:8: note: each undeclared identifier is reported only once for each function it appears in
vim +/sp_in_global +78 arch/riscv/kernel/stacktrace.c
67
68 static void notrace walk_stackframe(struct task_struct *task,
69 struct pt_regs *regs, bool (*fn)(unsigned long, void *), void *arg)
70 {
71 unsigned long sp, pc;
72 unsigned long *ksp;
73
74 if (regs) {
75 sp = user_stack_pointer(regs);
76 pc = instruction_pointer(regs);
77 } else if (task == NULL || task == current) {
> 78 sp = sp_in_global;
79 pc = (unsigned long)walk_stackframe;
80 } else {
81 /* task blocked in __switch_to */
82 sp = task->thread.sp;
83 pc = task->thread.ra;
84 }
85
86 if (unlikely(sp & 0x7))
87 return;
88
89 ksp = (unsigned long *)sp;
90 while (!kstack_end(ksp)) {
91 if (__kernel_text_address(pc) && unlikely(fn(pc, arg)))
92 break;
93 pc = (*ksp++) - 0x4;
94 }
95 }
96
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 5360 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
* arch/riscv/kernel/stacktrace.c:78:8: error: 'sp_in_global' undeclared
@ 2020-04-20 6:28 ` kbuild test robot
0 siblings, 0 replies; 4+ messages in thread
From: kbuild test robot @ 2020-04-20 6:28 UTC (permalink / raw)
To: Palmer Dabbelt; +Cc: kbuild-all, linux-kernel
[-- Attachment #1: Type: text/plain, Size: 2293 bytes --]
Hi Palmer,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7a56db0299f9d43b4fe076838150c5cc293df131
commit: 52e7c52d2ded5908e6a4f8a7248e5fa6e0d6809a RISC-V: Stop relying on GCC's register allocator's hueristics
date: 7 weeks ago
config: riscv-allnoconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 52e7c52d2ded5908e6a4f8a7248e5fa6e0d6809a
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/riscv/kernel/stacktrace.c: In function 'walk_stackframe':
>> arch/riscv/kernel/stacktrace.c:78:8: error: 'sp_in_global' undeclared (first use in this function)
78 | sp = sp_in_global;
| ^~~~~~~~~~~~
arch/riscv/kernel/stacktrace.c:78:8: note: each undeclared identifier is reported only once for each function it appears in
vim +/sp_in_global +78 arch/riscv/kernel/stacktrace.c
67
68 static void notrace walk_stackframe(struct task_struct *task,
69 struct pt_regs *regs, bool (*fn)(unsigned long, void *), void *arg)
70 {
71 unsigned long sp, pc;
72 unsigned long *ksp;
73
74 if (regs) {
75 sp = user_stack_pointer(regs);
76 pc = instruction_pointer(regs);
77 } else if (task == NULL || task == current) {
> 78 sp = sp_in_global;
79 pc = (unsigned long)walk_stackframe;
80 } else {
81 /* task blocked in __switch_to */
82 sp = task->thread.sp;
83 pc = task->thread.ra;
84 }
85
86 if (unlikely(sp & 0x7))
87 return;
88
89 ksp = (unsigned long *)sp;
90 while (!kstack_end(ksp)) {
91 if (__kernel_text_address(pc) && unlikely(fn(pc, arg)))
92 break;
93 pc = (*ksp++) - 0x4;
94 }
95 }
96
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 5360 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
* arch/riscv/kernel/stacktrace.c:78:8: error: 'sp_in_global' undeclared
@ 2020-04-20 6:28 ` kbuild test robot
0 siblings, 0 replies; 4+ messages in thread
From: kbuild test robot @ 2020-04-20 6:28 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 2359 bytes --]
Hi Palmer,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7a56db0299f9d43b4fe076838150c5cc293df131
commit: 52e7c52d2ded5908e6a4f8a7248e5fa6e0d6809a RISC-V: Stop relying on GCC's register allocator's hueristics
date: 7 weeks ago
config: riscv-allnoconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 52e7c52d2ded5908e6a4f8a7248e5fa6e0d6809a
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/riscv/kernel/stacktrace.c: In function 'walk_stackframe':
>> arch/riscv/kernel/stacktrace.c:78:8: error: 'sp_in_global' undeclared (first use in this function)
78 | sp = sp_in_global;
| ^~~~~~~~~~~~
arch/riscv/kernel/stacktrace.c:78:8: note: each undeclared identifier is reported only once for each function it appears in
vim +/sp_in_global +78 arch/riscv/kernel/stacktrace.c
67
68 static void notrace walk_stackframe(struct task_struct *task,
69 struct pt_regs *regs, bool (*fn)(unsigned long, void *), void *arg)
70 {
71 unsigned long sp, pc;
72 unsigned long *ksp;
73
74 if (regs) {
75 sp = user_stack_pointer(regs);
76 pc = instruction_pointer(regs);
77 } else if (task == NULL || task == current) {
> 78 sp = sp_in_global;
79 pc = (unsigned long)walk_stackframe;
80 } else {
81 /* task blocked in __switch_to */
82 sp = task->thread.sp;
83 pc = task->thread.ra;
84 }
85
86 if (unlikely(sp & 0x7))
87 return;
88
89 ksp = (unsigned long *)sp;
90 while (!kstack_end(ksp)) {
91 if (__kernel_text_address(pc) && unlikely(fn(pc, arg)))
92 break;
93 pc = (*ksp++) - 0x4;
94 }
95 }
96
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 5360 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2020-04-20 6:29 UTC | newest]
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2020-04-10 18:03 arch/riscv/kernel/stacktrace.c:78:8: error: 'sp_in_global' undeclared kbuild test robot
2020-04-10 18:03 ` kbuild test robot
2020-04-20 6:28 kbuild test robot
2020-04-20 6:28 ` kbuild test robot
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