drivers/irqchip/irq-ath79-misc.c:29:5: warning: no previous prototype for 'get_c0_perfcount_int'
From: kernel test robot
Date: Sat Nov 11 2023 - 05:23:31 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3ca112b71f35dd5d99fc4571a56b5fc6f0c15814
commit: a1e8783db8e0d58891681bc1e6d9ada66eae8e20 MIPS: perf: ath79: Fix perfcount IRQ assignment
date: 4 years, 7 months ago
config: mips-randconfig-r005-20210928 (https://download.01.org/0day-ci/archive/20231111/202311111847.SpxiCHnp-lkp@xxxxxxxxx/config)
compiler: mips-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231111/202311111847.SpxiCHnp-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/202311111847.SpxiCHnp-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
include/linux/device.h:686:13: note: in expansion of macro 'unlikely'
686 | if (unlikely(check_mul_overflow(n, size, &bytes)))
| ^~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/device.h:686:9: note: in expansion of macro 'if'
686 | if (unlikely(check_mul_overflow(n, size, &bytes)))
| ^~
include/linux/device.h: In function 'device_lock_assert':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/asm-generic/bug.h:123:9: note: in expansion of macro 'if'
123 | if (unlikely(__ret_warn_on)) \
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/asm-generic/bug.h:123:13: note: in expansion of macro 'unlikely'
123 | if (unlikely(__ret_warn_on)) \
| ^~~~~~~~
include/linux/lockdep.h:380:17: note: in expansion of macro 'WARN_ON'
380 | WARN_ON(debug_locks && !lockdep_is_held(l)); \
| ^~~~~~~
include/linux/device.h:1227:9: note: in expansion of macro 'lockdep_assert_held'
1227 | lockdep_assert_held(&dev->mutex);
| ^~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/asm-generic/bug.h:123:9: note: in expansion of macro 'if'
123 | if (unlikely(__ret_warn_on)) \
| ^~
include/linux/lockdep.h:380:17: note: in expansion of macro 'WARN_ON'
380 | WARN_ON(debug_locks && !lockdep_is_held(l)); \
| ^~~~~~~
include/linux/device.h:1227:9: note: in expansion of macro 'lockdep_assert_held'
1227 | lockdep_assert_held(&dev->mutex);
| ^~~~~~~~~~~~~~~~~~~
arch/mips/include/asm/ptrace.h: In function 'regs_get_register':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
arch/mips/include/asm/ptrace.h:86:9: note: in expansion of macro 'if'
86 | if (unlikely(offset > MAX_REG_OFFSET))
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
arch/mips/include/asm/ptrace.h:86:13: note: in expansion of macro 'unlikely'
86 | if (unlikely(offset > MAX_REG_OFFSET))
| ^~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
arch/mips/include/asm/ptrace.h:86:9: note: in expansion of macro 'if'
86 | if (unlikely(offset > MAX_REG_OFFSET))
| ^~
arch/mips/include/asm/ptrace.h: In function 'die_if_kernel':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
arch/mips/include/asm/ptrace.h:171:9: note: in expansion of macro 'if'
171 | if (unlikely(!user_mode(regs)))
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
arch/mips/include/asm/ptrace.h:171:13: note: in expansion of macro 'unlikely'
171 | if (unlikely(!user_mode(regs)))
| ^~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
arch/mips/include/asm/ptrace.h:171:9: note: in expansion of macro 'if'
171 | if (unlikely(!user_mode(regs)))
| ^~
drivers/irqchip/irq-ath79-misc.c: At top level:
>> drivers/irqchip/irq-ath79-misc.c:29:5: warning: no previous prototype for 'get_c0_perfcount_int' [-Wmissing-prototypes]
29 | int get_c0_perfcount_int(void)
| ^~~~~~~~~~~~~~~~~~~~
drivers/irqchip/irq-ath79-misc.c:184:13: warning: no previous prototype for 'ath79_misc_irq_init' [-Wmissing-prototypes]
184 | void __init ath79_misc_irq_init(void __iomem *regs, int irq,
| ^~~~~~~~~~~~~~~~~~~
vim +/get_c0_perfcount_int +29 drivers/irqchip/irq-ath79-misc.c
28
> 29 int get_c0_perfcount_int(void)
30 {
31 return ath79_perfcount_irq;
32 }
33 EXPORT_SYMBOL_GPL(get_c0_perfcount_int);
34
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