8:19 a.m.
Hi Eugeniu,
[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on linux/master]
[also build test ERROR on pmladek/for-next linus/master v5.6-rc6 next-20200316]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url:
https://github.com/0day-ci/linux/commits/Eugeniu-Rosca/Fix-quiet-console-...
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
f5ae2ea6347a308cfe91f53b53682ce635497d0d
config: powerpc-allnoconfig (attached as .config)
compiler: powerpc-linux-gcc (GCC) 9.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=9.2.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
In file included from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/printk.h:6,
from include/linux/kernel.h:15,
from include/asm-generic/bug.h:19,
from arch/powerpc/include/asm/bug.h:109,
from include/linux/bug.h:5,
from include/linux/page-flags.h:10,
from kernel/bounds.c:10:
arch/powerpc/include/asm/cmpxchg.h: In function '__xchg_local':
arch/powerpc/include/asm/cmpxchg.h:173:2: error: implicit declaration of function
'BUILD_BUG_ON_MSG' [-Werror=implicit-function-declaration]
173 | BUILD_BUG_ON_MSG(1, "Unsupported size for __xchg");
| ^~~~~~~~~~~~~~~~
In file included from arch/powerpc/include/asm/page.h:254,
from arch/powerpc/include/asm/thread_info.h:23,
from include/linux/thread_info.h:38,
from arch/powerpc/include/asm/ptrace.h:218,
from arch/powerpc/include/asm/hw_irq.h:12,
from arch/powerpc/include/asm/irqflags.h:12,
from include/linux/irqflags.h:16,
from include/asm-generic/cmpxchg-local.h:6,
from arch/powerpc/include/asm/cmpxchg.h:537,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/printk.h:6,
from include/linux/kernel.h:15,
from include/asm-generic/bug.h:19,
from arch/powerpc/include/asm/bug.h:109,
from include/linux/bug.h:5,
from include/linux/page-flags.h:10,
from kernel/bounds.c:10:
arch/powerpc/include/asm/page_32.h: In function 'clear_page':
> arch/powerpc/include/asm/page_32.h:54:2: error: implicit
declaration of function 'WARN_ON' [-Werror=implicit-function-declaration]
54 | WARN_ON((unsigned long)addr & (L1_CACHE_BYTES - 1));
| ^~~~~~~
In file included from arch/powerpc/include/asm/ptrace.h:218,
from arch/powerpc/include/asm/hw_irq.h:12,
from arch/powerpc/include/asm/irqflags.h:12,
from include/linux/irqflags.h:16,
from include/asm-generic/cmpxchg-local.h:6,
from arch/powerpc/include/asm/cmpxchg.h:537,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/printk.h:6,
from include/linux/kernel.h:15,
from include/asm-generic/bug.h:19,
from arch/powerpc/include/asm/bug.h:109,
from include/linux/bug.h:5,
from include/linux/page-flags.h:10,
from kernel/bounds.c:10:
include/linux/thread_info.h: In function 'copy_overflow':
include/linux/thread_info.h:134:2: error: implicit declaration of function
'WARN' [-Werror=implicit-function-declaration]
134 | WARN(1, "Buffer overflow detected (%d < %lu)!\n", size, count);
| ^~~~
include/linux/thread_info.h: In function 'check_copy_size':
include/linux/thread_info.h:150:6: error: implicit declaration of function
'WARN_ON_ONCE' [-Werror=implicit-function-declaration]
150 | if (WARN_ON_ONCE(bytes > INT_MAX))
| ^~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:99: kernel/bounds.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1113: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:179: sub-make] Error 2
16 real 4 user 6 sys 68.27% cpu make prepare
vim +/WARN_ON +54 arch/powerpc/include/asm/page_32.h
7ab0b7cb8951d4 arch/powerpc/include/asm/page_32.h Christophe Leroy 2019-08-16 44
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 45 /*
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 46 *
Clear page using the dcbz instruction, which doesn't cause any
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 47 *
memory traffic (except to write out any cache lines which get
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 48 *
displaced). This only works on cacheable memory.
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 49 */
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 50 static
inline void clear_page(void *addr)
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 51 {
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 52
unsigned int i;
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 53
7ab0b7cb8951d4 arch/powerpc/include/asm/page_32.h Christophe Leroy 2019-08-16 @54
WARN_ON((unsigned long)addr & (L1_CACHE_BYTES - 1));
7ab0b7cb8951d4 arch/powerpc/include/asm/page_32.h Christophe Leroy 2019-08-16 55
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 56 for (i
= 0; i < PAGE_SIZE / L1_CACHE_BYTES; i++, addr += L1_CACHE_BYTES)
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 57
dcbz(addr);
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 58 }
5cd16ee934eafc include/asm-powerpc/page_32.h Michael Ellerman 2005-11-11 59 extern
void copy_page(void *to, void *from);
5cd16ee934eafc include/asm-powerpc/page_32.h Michael Ellerman 2005-11-11 60
:::::: The code at line 54 was first introduced by commit
:::::: 7ab0b7cb8951d4095d73e203759b74d41916e455 powerpc/32: Add warning on misaligned
copy_page() or clear_page()
:::::: TO: Christophe Leroy <christophe.leroy(a)c-s.fr>
:::::: CC: Michael Ellerman <mpe(a)ellerman.id.au>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org