tree: https://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux.git get_cpu_cacheinfo_level
head: 1c9e9c336edc795736b7f42999bfed1cfa94724e
commit: 476529e56cba3ab0efd64bca5e40d7e4b8b2085c [2/3] cacheinfo: Add function to get cacheinfo for a given (cpu, cachelevel)
config: x86_64-randconfig-104-20240608 (https://download.01.org/0day-ci/archive/20240608/202406081215.5IP0JQSs-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240608/202406081215.5IP0JQSs-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406081215.5IP0JQSs-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
In file included from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
In file included from include/linux/cacheinfo.h:6:
>> include/linux/cpuhplock.h:39:58: error: use of undeclared identifier 'EPERM'
39 | static inline int remove_cpu(unsigned int cpu) { return -EPERM; }
| ^
In file included from arch/x86/kernel/cpu/resctrl/rdtgroup.c:16:
In file included from include/linux/cpu.h:17:
In file included from include/linux/node.h:18:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/x86/kernel/cpu/resctrl/rdtgroup.c:16:
In file included from include/linux/cpu.h:17:
In file included from include/linux/node.h:18:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/x86/kernel/cpu/resctrl/rdtgroup.c:16:
In file included from include/linux/cpu.h:17:
In file included from include/linux/node.h:18:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
99 | set->sig[1] | set->sig[0]) == 0;
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/x86/kernel/cpu/resctrl/rdtgroup.c:16:
In file included from include/linux/cpu.h:17:
In file included from include/linux/node.h:18:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
101 | return (set->sig[1] | set->sig[0]) == 0;
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/x86/kernel/cpu/resctrl/rdtgroup.c:16:
In file included from include/linux/cpu.h:17:
In file included from include/linux/node.h:18:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
--
In file included from arch/x86/kernel/cpu/resctrl/pseudo_lock.c:14:
In file included from include/linux/cacheinfo.h:6:
>> include/linux/cpuhplock.h:39:58: error: use of undeclared identifier 'EPERM'
39 | static inline int remove_cpu(unsigned int cpu) { return -EPERM; }
| ^
In file included from arch/x86/kernel/cpu/resctrl/pseudo_lock.c:15:
In file included from include/linux/cpu.h:17:
In file included from include/linux/node.h:18:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/x86/kernel/cpu/resctrl/pseudo_lock.c:15:
In file included from include/linux/cpu.h:17:
In file included from include/linux/node.h:18:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/x86/kernel/cpu/resctrl/pseudo_lock.c:15:
In file included from include/linux/cpu.h:17:
In file included from include/linux/node.h:18:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
99 | set->sig[1] | set->sig[0]) == 0;
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/x86/kernel/cpu/resctrl/pseudo_lock.c:15:
In file included from include/linux/cpu.h:17:
In file included from include/linux/node.h:18:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
101 | return (set->sig[1] | set->sig[0]) == 0;
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/x86/kernel/cpu/resctrl/pseudo_lock.c:15:
In file included from include/linux/cpu.h:17:
In file included from include/linux/node.h:18:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/x86/include/asm/elf.h:10:
In file included from arch/x86/include/asm/ia32.h:7:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
vim +/EPERM +39 include/linux/cpuhplock.h
c0bea3bea7eb170 Tony Luck 2024-06-07 30
c0bea3bea7eb170 Tony Luck 2024-06-07 31 static inline void cpus_write_lock(void) { }
c0bea3bea7eb170 Tony Luck 2024-06-07 32 static inline void cpus_write_unlock(void) { }
c0bea3bea7eb170 Tony Luck 2024-06-07 33 static inline void cpus_read_lock(void) { }
c0bea3bea7eb170 Tony Luck 2024-06-07 34 static inline void cpus_read_unlock(void) { }
c0bea3bea7eb170 Tony Luck 2024-06-07 35 static inline int cpus_read_trylock(void) { return true; }
c0bea3bea7eb170 Tony Luck 2024-06-07 36 static inline void lockdep_assert_cpus_held(void) { }
c0bea3bea7eb170 Tony Luck 2024-06-07 37 static inline void cpu_hotplug_disable(void) { }
c0bea3bea7eb170 Tony Luck 2024-06-07 38 static inline void cpu_hotplug_enable(void) { }
c0bea3bea7eb170 Tony Luck 2024-06-07 @39 static inline int remove_cpu(unsigned int cpu) { return -EPERM; }
c0bea3bea7eb170 Tony Luck 2024-06-07 40 static inline void smp_shutdown_nonboot_cpus(unsigned int primary_cpu) { }
c0bea3bea7eb170 Tony Luck 2024-06-07 41 #endif /* !CONFIG_HOTPLUG_CPU */
c0bea3bea7eb170 Tony Luck 2024-06-07 42
:::::: The code at line 39 was first introduced by commit
:::::: c0bea3bea7eb1701c38f23c8ae2d0a49fd35cbbd cpu: Move CPU hotplug function declarations into their own header
:::::: TO: Tony Luck <tony.luck@xxxxxxxxx>
:::::: CC: Tony Luck <tony.luck@xxxxxxxxx>
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