* [linux-rt-devel:linux-5.10.y-rt-rebase 259/269] arch/powerpc/platforms/pseries/iommu.c:195:1: warning: parameter names (without types) in function declaration
@ 2021-01-07 14:04 kernel test robot
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From: kernel test robot @ 2021-01-07 14:04 UTC (permalink / raw)
To: kbuild-all
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.10.y-rt-rebase
head: d57d7d09825f034b4ec37457940c83158c3731c8
commit: 200ff073c8cf4b6649c939fc08fe88265eab9b7a [259/269] powerpc/pseries/iommu: Use a locallock instead local_irq_save()
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
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/rt/linux-rt-devel.git/commit/?id=200ff073c8cf4b6649c939fc08fe88265eab9b7a
git remote add linux-rt-devel https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
git fetch --no-tags linux-rt-devel linux-5.10.y-rt-rebase
git checkout 200ff073c8cf4b6649c939fc08fe88265eab9b7a
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
arch/powerpc/platforms/pseries/iommu.c:195:8: error: type defaults to 'int' in declaration of 'DEFINE_LOCAL_IRQ_LOCK' [-Werror=implicit-int]
195 | static DEFINE_LOCAL_IRQ_LOCK(tcp_page_lock);
| ^~~~~~~~~~~~~~~~~~~~~
>> arch/powerpc/platforms/pseries/iommu.c:195:1: warning: parameter names (without types) in function declaration
195 | static DEFINE_LOCAL_IRQ_LOCK(tcp_page_lock);
| ^~~~~~
In file included from include/asm-generic/percpu.h:7,
from arch/powerpc/include/asm/percpu.h:18,
from include/linux/irqflags.h:17,
from include/linux/spinlock.h:54,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/slab.h:15,
from arch/powerpc/platforms/pseries/iommu.c:15:
arch/powerpc/platforms/pseries/iommu.c: In function 'tce_buildmulti_pSeriesLP':
arch/powerpc/platforms/pseries/iommu.c:218:21: error: 'tcp_page_lock' undeclared (first use in this function)
218 | local_lock_irqsave(tcp_page_lock, flags);
| ^~~~~~~~~~~~~
include/linux/percpu-defs.h:219:47: note: in definition of macro '__verify_pcpu_ptr'
219 | const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
| ^~~
include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
| ^~~~~~~~~~~
include/linux/local_lock_internal.h:175:22: note: in expansion of macro 'this_cpu_ptr'
175 | local_lock_acquire(this_cpu_ptr(lock)); \
| ^~~~~~~~~~~~
include/linux/local_lock.h:31:2: note: in expansion of macro '__local_lock_irqsave'
31 | __local_lock_irqsave(lock, flags)
| ^~~~~~~~~~~~~~~~~~~~
arch/powerpc/platforms/pseries/iommu.c:218:2: note: in expansion of macro 'local_lock_irqsave'
218 | local_lock_irqsave(tcp_page_lock, flags);
| ^~~~~~~~~~~~~~~~~~
arch/powerpc/platforms/pseries/iommu.c:218:21: note: each undeclared identifier is reported only once for each function it appears in
218 | local_lock_irqsave(tcp_page_lock, flags);
| ^~~~~~~~~~~~~
include/linux/percpu-defs.h:219:47: note: in definition of macro '__verify_pcpu_ptr'
219 | const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
| ^~~
include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
| ^~~~~~~~~~~
include/linux/local_lock_internal.h:175:22: note: in expansion of macro 'this_cpu_ptr'
175 | local_lock_acquire(this_cpu_ptr(lock)); \
| ^~~~~~~~~~~~
include/linux/local_lock.h:31:2: note: in expansion of macro '__local_lock_irqsave'
31 | __local_lock_irqsave(lock, flags)
| ^~~~~~~~~~~~~~~~~~~~
arch/powerpc/platforms/pseries/iommu.c:218:2: note: in expansion of macro 'local_lock_irqsave'
218 | local_lock_irqsave(tcp_page_lock, flags);
| ^~~~~~~~~~~~~~~~~~
arch/powerpc/platforms/pseries/iommu.c: In function 'tce_setrange_multi_pSeriesLP':
arch/powerpc/platforms/pseries/iommu.c:436:17: error: 'tcp_page_lock' undeclared (first use in this function)
436 | local_lock_irq(tcp_page_lock);
| ^~~~~~~~~~~~~
include/linux/percpu-defs.h:219:47: note: in definition of macro '__verify_pcpu_ptr'
219 | const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
| ^~~
include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
| ^~~~~~~~~~~
include/linux/local_lock_internal.h:169:22: note: in expansion of macro 'this_cpu_ptr'
169 | local_lock_acquire(this_cpu_ptr(lock)); \
| ^~~~~~~~~~~~
include/linux/local_lock.h:22:31: note: in expansion of macro '__local_lock_irq'
22 | #define local_lock_irq(lock) __local_lock_irq(lock)
| ^~~~~~~~~~~~~~~~
arch/powerpc/platforms/pseries/iommu.c:436:2: note: in expansion of macro 'local_lock_irq'
436 | local_lock_irq(tcp_page_lock);
| ^~~~~~~~~~~~~~
arch/powerpc/platforms/pseries/iommu.c: At top level:
arch/powerpc/platforms/pseries/iommu.c:195:8: warning: 'DEFINE_LOCAL_IRQ_LOCK' declared 'static' but never defined [-Wunused-function]
195 | static DEFINE_LOCAL_IRQ_LOCK(tcp_page_lock);
| ^~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +195 arch/powerpc/platforms/pseries/iommu.c
193
194 static DEFINE_PER_CPU(__be64 *, tce_page);
> 195 static DEFINE_LOCAL_IRQ_LOCK(tcp_page_lock);
196
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2021-01-07 14:04 [linux-rt-devel:linux-5.10.y-rt-rebase 259/269] arch/powerpc/platforms/pseries/iommu.c:195:1: warning: parameter names (without types) in function declaration kernel test robot
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