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Date: Fri, 3 Jun 2022 20:51:13 +0800
From: kernel test robot <lkp@...el.com>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org
Subject: [arm-integrator:kernel-in-vmalloc-v5.18-rc1 28/34]
arch/powerpc/include/asm/page.h:234:9: error: call to undeclared function
'VIRTUAL_BUG_ON'; ISO C99 and later do not support implicit function
declarations
tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git kernel-in-vmalloc-v5.18-rc1
head: 1aafd4ba7b78b4ac0013a48a35252654852cb7ab
commit: 2db5956e0783e740080a19ef8dd8a70ecdbf47c4 [28/34] powerpc: Make virt_to_pfn() a static inline
config: powerpc64-buildonly-randconfig-r005-20220531 (https://download.01.org/0day-ci/archive/20220603/202206032026.IXhExuNC-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b364c76683f8ef241025a9556300778c07b590c2)
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
# install powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=2db5956e0783e740080a19ef8dd8a70ecdbf47c4
git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git
git fetch --no-tags arm-integrator kernel-in-vmalloc-v5.18-rc1
git checkout 2db5956e0783e740080a19ef8dd8a70ecdbf47c4
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc prepare
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:14:
In file included from include/linux/sem.h:5:
In file included from include/uapi/linux/sem.h:5:
In file included from include/linux/ipc.h:5:
In file included from include/linux/spinlock.h:55:
In file included from include/linux/preempt.h:78:
In file included from ./arch/powerpc/include/generated/asm/preempt.h:1:
In file included from include/asm-generic/preempt.h:5:
In file included from include/linux/thread_info.h:23:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:18:
In file included from arch/powerpc/include/asm/mmu.h:149:
>> arch/powerpc/include/asm/page.h:234:9: error: call to undeclared function 'VIRTUAL_BUG_ON'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
return __pa(kaddr) >> PAGE_SHIFT;
^
arch/powerpc/include/asm/page.h:222:2: note: expanded from macro '__pa'
VIRTUAL_BUG_ON((unsigned long)(x) < PAGE_OFFSET); \
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
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:97:11: warning: array index 3 is past the end of the array (which contains 1 element) [-Warray-bounds]
return (set->sig[3] | set->sig[2] |
^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
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:97:25: warning: array index 2 is past the end of the array (which contains 1 element) [-Warray-bounds]
return (set->sig[3] | set->sig[2] |
^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
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:98:4: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds]
set->sig[1] | set->sig[0]) == 0;
^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
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:100:11: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds]
return (set->sig[1] | set->sig[0]) == 0;
^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
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:113:11: warning: array index 3 is past the end of the array (which contains 1 element) [-Warray-bounds]
return (set1->sig[3] == set2->sig[3]) &&
^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
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:113:27: warning: array index 3 is past the end of the array (which contains 1 element) [-Warray-bounds]
return (set1->sig[3] == set2->sig[3]) &&
^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
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:114:5: warning: array index 2 is past the end of the array (which contains 1 element) [-Warray-bounds]
(set1->sig[2] == set2->sig[2]) &&
^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
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:114:21: warning: array index 2 is past the end of the array (which contains 1 element) [-Warray-bounds]
(set1->sig[2] == set2->sig[2]) &&
^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
vim +/VIRTUAL_BUG_ON +234 arch/powerpc/include/asm/page.h
231
232 static inline unsigned long virt_to_pfn(const volatile void *kaddr)
233 {
> 234 return __pa(kaddr) >> PAGE_SHIFT;
235 }
236 #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
237 #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
238
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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