[linux-rt-devel:linux-5.10.y-rt-rebase 276/283] arch/powerpc/include/asm/page_32.h:54:2: error: implicit declaration of function 'WARN_ON'
8:59 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
linux-5.10.y-rt-rebase
head: 91d922a595bd1730c2215adf09dd716f858ad811
commit: 45664075f34bb1799470c82491b04a064a76eb77 [276/283] POWERPC: Allow to enable RT
config: powerpc-randconfig-r014-20210211 (attached as .config)
compiler: powerpc-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/com...
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 45664075f34bb1799470c82491b04a064a76eb77
# 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(a)intel.com>
All error/warnings (new ones prefixed by >>):
In file included from arch/powerpc/include/asm/page.h:249,
from arch/powerpc/include/asm/thread_info.h:13,
from include/linux/thread_info.h:38,
from arch/powerpc/include/asm/ptrace.h:254,
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:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/debug_locks.h:5,
from include/linux/rtmutex.h:23,
from include/linux/spinlock_types.h:18,
from include/linux/ratelimit_types.h:7,
from include/linux/printk.h:10,
from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/hw_breakpoint.h:12,
from arch/powerpc/include/asm/processor.h:41,
from arch/powerpc/include/asm/thread_info.h:40,
from include/linux/thread_info.h:38,
from arch/powerpc/include/asm/ptrace.h:254,
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:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/debug_locks.h:5,
from include/linux/rtmutex.h:23,
from include/linux/spinlock_types.h:18,
from include/linux/ratelimit_types.h:7,
from include/linux/printk.h:10,
from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/cpu_has_feature.h: In function 'cpu_has_feature':
> arch/powerpc/include/asm/cpu_has_feature.h:33:3: error: implicit
declaration of function 'printk' [-Werror=implicit-function-declaration]
33 | printk("Warning! cpu_has_feature() used prior to jump label init!\n");
| ^~~~~~
> arch/powerpc/include/asm/cpu_has_feature.h:34:3: error: implicit
declaration of function 'dump_stack' [-Werror=implicit-function-declaration]
34 | dump_stack();
| ^~~~~~~~~~
In file included from arch/powerpc/include/asm/hw_breakpoint.h:13,
from arch/powerpc/include/asm/processor.h:41,
from arch/powerpc/include/asm/thread_info.h:40,
from include/linux/thread_info.h:38,
from arch/powerpc/include/asm/ptrace.h:254,
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:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/debug_locks.h:5,
from include/linux/rtmutex.h:23,
from include/linux/spinlock_types.h:18,
from include/linux/ratelimit_types.h:7,
from include/linux/printk.h:10,
from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/inst.h: In function '__ppc_inst_as_str':
> arch/powerpc/include/asm/inst.h:130:3: error: implicit
declaration of function 'sprintf' [-Werror=implicit-function-declaration]
130 | sprintf(str, "%08x %08x", ppc_inst_val(x), ppc_inst_suffix(x));
| ^~~~~~~
> arch/powerpc/include/asm/inst.h:130:3: warning: incompatible
implicit declaration of built-in function 'sprintf'
arch/powerpc/include/asm/inst.h:1:1: note: include '<stdio.h>' or provide a
declaration of 'sprintf'
+++ |+#include <stdio.h>
1 | /* SPDX-License-Identifier: GPL-2.0-or-later */
In file included from arch/powerpc/include/asm/ptrace.h:254,
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:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/debug_locks.h:5,
from include/linux/rtmutex.h:23,
from include/linux/spinlock_types.h:18,
from include/linux/ratelimit_types.h:7,
from include/linux/printk.h:10,
from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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:144:2: error: implicit declaration of
function 'WARN' [-Werror=implicit-function-declaration]
144 | 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:160:6: error: implicit declaration of
function 'WARN_ON_ONCE' [-Werror=implicit-function-declaration]
160 |
if (WARN_ON_ONCE(bytes > INT_MAX))
| ^~~~~~~~~~~~
In file included from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/printk.h: At top level:
> include/linux/printk.h:165:5: error: conflicting types for
'printk'
165 | int printk(const char *fmt, ...);
| ^~~~~~
include/linux/printk.h:165:1: note: a parameter list with an ellipsis can't match
an empty parameter name list declaration
165 | int printk(const char *fmt, ...);
| ^~~
In file included from arch/powerpc/include/asm/hw_breakpoint.h:12,
from arch/powerpc/include/asm/processor.h:41,
from arch/powerpc/include/asm/thread_info.h:40,
from include/linux/thread_info.h:38,
from arch/powerpc/include/asm/ptrace.h:254,
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:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/debug_locks.h:5,
from include/linux/rtmutex.h:23,
from include/linux/spinlock_types.h:18,
from include/linux/ratelimit_types.h:7,
from include/linux/printk.h:10,
from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/cpu_has_feature.h:33:3: note: previous implicit declaration of
'printk' was here
33 | printk("Warning! cpu_has_feature() used prior to jump label
init!\n");
| ^~~~~~
In file included from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/printk.h:198:24: warning: conflicting types for
'dump_stack'
198 | extern asmlinkage void dump_stack(void) __cold;
| ^~~~~~~~~~
In file included from arch/powerpc/include/asm/hw_breakpoint.h:12,
from arch/powerpc/include/asm/processor.h:41,
from arch/powerpc/include/asm/thread_info.h:40,
from include/linux/thread_info.h:38,
from arch/powerpc/include/asm/ptrace.h:254,
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:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/debug_locks.h:5,
from include/linux/rtmutex.h:23,
from include/linux/spinlock_types.h:18,
from include/linux/ratelimit_types.h:7,
from include/linux/printk.h:10,
from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/cpu_has_feature.h:34:3: note: previous implicit declaration of
'dump_stack' was here
34 | dump_stack();
| ^~~~~~~~~~
cc1: some warnings being treated as errors
--
WARNING: unmet direct dependencies detected for FSL_EMB_PERFMON
Depends on E500 || PPC_83xx
Selected by
- PPC_FSL_BOOK3E
In file included from arch/powerpc/include/asm/page.h:249,
from arch/powerpc/include/asm/thread_info.h:13,
from include/linux/thread_info.h:38,
from arch/powerpc/include/asm/ptrace.h:254,
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:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/debug_locks.h:5,
from include/linux/rtmutex.h:23,
from include/linux/spinlock_types.h:18,
from include/linux/ratelimit_types.h:7,
from include/linux/printk.h:10,
from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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'
54 | WARN_ON((unsigned long)addr & (L1_CACHE_BYTES - 1));
| ^~~~~~~
In file included from arch/powerpc/include/asm/hw_breakpoint.h:12,
from arch/powerpc/include/asm/processor.h:41,
from arch/powerpc/include/asm/thread_info.h:40,
from include/linux/thread_info.h:38,
from arch/powerpc/include/asm/ptrace.h:254,
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:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/debug_locks.h:5,
from include/linux/rtmutex.h:23,
from include/linux/spinlock_types.h:18,
from include/linux/ratelimit_types.h:7,
from include/linux/printk.h:10,
from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/cpu_has_feature.h: In function 'cpu_has_feature':
arch/powerpc/include/asm/cpu_has_feature.h:33:3: error: implicit declaration of
function 'printk'
33 | printk("Warning! cpu_has_feature() used prior to jump label init!n");
| ^~~~~~
arch/powerpc/include/asm/cpu_has_feature.h:34:3: error: implicit declaration of
function 'dump_stack'
34 | dump_stack();
| ^~~~~~~~~~
In file included from arch/powerpc/include/asm/hw_breakpoint.h:13,
from arch/powerpc/include/asm/processor.h:41,
from arch/powerpc/include/asm/thread_info.h:40,
from include/linux/thread_info.h:38,
from arch/powerpc/include/asm/ptrace.h:254,
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:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/debug_locks.h:5,
from include/linux/rtmutex.h:23,
from include/linux/spinlock_types.h:18,
from include/linux/ratelimit_types.h:7,
from include/linux/printk.h:10,
from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/inst.h: In function '__ppc_inst_as_str':
arch/powerpc/include/asm/inst.h:130:3: error: implicit declaration of function
'sprintf'
130 | sprintf(str, "%08x %08x", ppc_inst_val(x), ppc_inst_suffix(x));
| ^~~~~~~
> arch/powerpc/include/asm/inst.h:130:3: warning: incompatible
implicit declaration of built-in function 'sprintf'
arch/powerpc/include/asm/inst.h:1:1: note: include '<stdio.h>' or provide a
declaration of 'sprintf'
+++ |+#include <stdio.h>
1 | /Dockerfile /Gemfile /Gemfile.lock /bin /boot /c /cephfs /db /dev /etc /home
/htmldocs /include /kbuild /lib /lib32 /lib64 /libx32 /lkp-cloud /lkp-src /media /mnt /opt
/patch /pkg /proc /root /run /sbin /share /srv /sys /tmp /usr /var
SPDX-License-Identifier: GPL-2.0-or-later arch/ include/ kernel/ scripts/ source/ usr/
In file included from arch/powerpc/include/asm/ptrace.h:254,
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:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/debug_locks.h:5,
from include/linux/rtmutex.h:23,
from include/linux/spinlock_types.h:18,
from include/linux/ratelimit_types.h:7,
from include/linux/printk.h:10,
from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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:144:2: error: implicit declaration of function
'WARN'
144 | 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:160:6: error: implicit declaration of function
'WARN_ON_ONCE'
160 | if (WARN_ON_ONCE(bytes > INT_MAX))
| ^~~~~~~~~~~~
In file included from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/printk.h: At top level:
> include/linux/printk.h:165:5: error: conflicting types for
'printk'
165 | int printk(const char ...);
| ^~~~~~
include/linux/printk.h:165:1: note: a parameter list with an ellipsis can't match
an empty parameter name list declaration
165 | int printk(const char ...);
| ^~~
In file included from arch/powerpc/include/asm/hw_breakpoint.h:12,
from arch/powerpc/include/asm/processor.h:41,
from arch/powerpc/include/asm/thread_info.h:40,
from include/linux/thread_info.h:38,
from arch/powerpc/include/asm/ptrace.h:254,
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:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/debug_locks.h:5,
from include/linux/rtmutex.h:23,
from include/linux/spinlock_types.h:18,
from include/linux/ratelimit_types.h:7,
from include/linux/printk.h:10,
from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/cpu_has_feature.h:33:3: note: previous implicit declaration of
'printk' was here
33 | printk("Warning! cpu_has_feature() used prior to jump label init!n");
| ^~~~~~
In file included from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/printk.h:198:24: warning: conflicting types for
'dump_stack'
198 | extern asmlinkage void dump_stack(void) __cold;
| ^~~~~~~~~~
In file included from arch/powerpc/include/asm/hw_breakpoint.h:12,
from arch/powerpc/include/asm/processor.h:41,
from arch/powerpc/include/asm/thread_info.h:40,
from include/linux/thread_info.h:38,
from arch/powerpc/include/asm/ptrace.h:254,
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:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/debug_locks.h:5,
from include/linux/rtmutex.h:23,
from include/linux/spinlock_types.h:18,
from include/linux/ratelimit_types.h:7,
from include/linux/printk.h:10,
from include/linux/kernel.h:16,
from include/asm-generic/bug.h:20,
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/cpu_has_feature.h:34:3: note: previous implicit declaration of
'dump_stack' was here
34 | dump_stack();
| ^~~~~~~~~~
cc1: some warnings being treated as errors
Makefile arch include kernel scripts source usr [scripts/Makefile.build:117:
kernel/bounds.s] Error 1
Target '__build' not remade because of errors.
Makefile arch include kernel scripts source usr [Makefile:1206: prepare0] Error 2
Target 'prepare' not remade because of errors.
make: Makefile arch include kernel scripts source usr [Makefile:185: __sub-make] Error
2
make: Target 'prepare' not remade because of errors.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for FSL_EMB_PERFMON
Depends on E500 || PPC_83xx
Selected by
- PPC_FSL_BOOK3E
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>
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