[powerpc:next-test 70/71] arch/powerpc/include/asm/io.h:835:22: note: in expansion of macro 'page_to_pfn'
kbuild test robot
lkp at intel.com
Wed Dec 12 08:55:03 AEDT 2018
tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next-test
head: 13fd174be1903cc069bb73b0d53a0420b8f6d778
commit: 3a0f466ce2402cc090c97ccc1285508f688d8a8e [70/71] powerpc: Implement CONFIG_DEBUG_VIRTUAL
config: powerpc-ps3_petitboot_nfs_defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 3a0f466ce2402cc090c97ccc1285508f688d8a8e
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=powerpc
All warnings (new ones prefixed by >>):
In file included from arch/powerpc/include/asm/page.h:339:0,
from arch/powerpc/include/asm/thread_info.h:29,
from include/linux/thread_info.h:38,
from include/asm-generic/preempt.h:5,
from ./arch/powerpc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:81,
from include/linux/spinlock.h:51,
from include/linux/seqlock.h:36,
from include/linux/time.h:6,
from include/linux/jiffies.h:9,
from drivers/net/loopback.c:32:
arch/powerpc/include/asm/io.h: In function 'page_to_phys':
include/asm-generic/memory_model.h:64:14: error: implicit declaration of function 'page_to_section'; did you mean '__nr_to_section'? [-Werror=implicit-function-declaration]
int __sec = page_to_section(__pg); \
^
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
#define page_to_pfn __page_to_pfn
^~~~~~~~~~~~~
>> arch/powerpc/include/asm/io.h:835:22: note: in expansion of macro 'page_to_pfn'
unsigned long pfn = page_to_pfn(page);
^~~~~~~~~~~
In file included from include/linux/scatterlist.h:8:0,
from include/linux/dma-mapping.h:11,
from include/linux/skbuff.h:34,
from include/net/net_namespace.h:36,
from include/linux/inet.h:46,
from drivers/net/loopback.c:46:
include/linux/mm.h: At top level:
include/linux/mm.h:1121:29: error: conflicting types for 'page_to_section'
static inline unsigned long page_to_section(const struct page *page)
^~~~~~~~~~~~~~~
In file included from arch/powerpc/include/asm/page.h:339:0,
from arch/powerpc/include/asm/thread_info.h:29,
from include/linux/thread_info.h:38,
from include/asm-generic/preempt.h:5,
from ./arch/powerpc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:81,
from include/linux/spinlock.h:51,
from include/linux/seqlock.h:36,
from include/linux/time.h:6,
from include/linux/jiffies.h:9,
from drivers/net/loopback.c:32:
include/asm-generic/memory_model.h:64:14: note: previous implicit declaration of 'page_to_section' was here
int __sec = page_to_section(__pg); \
^
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
#define page_to_pfn __page_to_pfn
^~~~~~~~~~~~~
>> arch/powerpc/include/asm/io.h:835:22: note: in expansion of macro 'page_to_pfn'
unsigned long pfn = page_to_pfn(page);
^~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from arch/powerpc/include/asm/page.h:339:0,
from arch/powerpc/include/asm/book3s/64/mmu.h:5,
from arch/powerpc/include/asm/mmu.h:328,
from arch/powerpc/include/asm/lppaca.h:36,
from arch/powerpc/include/asm/paca.h:21,
from arch/powerpc/include/asm/current.h:16,
from include/linux/mutex.h:14,
from include/linux/kernfs.h:13,
from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/device.h:16,
from drivers/of/irq.c:19:
arch/powerpc/include/asm/io.h: In function 'page_to_phys':
include/asm-generic/memory_model.h:64:14: error: implicit declaration of function 'page_to_section'; did you mean '__nr_to_section'? [-Werror=implicit-function-declaration]
int __sec = page_to_section(__pg); \
^
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
#define page_to_pfn __page_to_pfn
^~~~~~~~~~~~~
>> arch/powerpc/include/asm/io.h:835:22: note: in expansion of macro 'page_to_pfn'
unsigned long pfn = page_to_pfn(page);
^~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from arch/powerpc/include/asm/page.h:339:0,
from arch/powerpc/include/asm/thread_info.h:29,
from include/linux/thread_info.h:38,
from include/asm-generic/preempt.h:5,
from ./arch/powerpc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:81,
from include/linux/hardirq.h:5,
from arch/powerpc/kernel/mce.c:25:
arch/powerpc/include/asm/io.h: In function 'page_to_phys':
include/asm-generic/memory_model.h:64:14: error: implicit declaration of function 'page_to_section'; did you mean '__nr_to_section'? [-Werror=implicit-function-declaration]
int __sec = page_to_section(__pg); \
^
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
#define page_to_pfn __page_to_pfn
^~~~~~~~~~~~~
>> arch/powerpc/include/asm/io.h:835:22: note: in expansion of macro 'page_to_pfn'
unsigned long pfn = page_to_pfn(page);
^~~~~~~~~~~
In file included from include/linux/pid_namespace.h:7:0,
from include/linux/ptrace.h:10,
from arch/powerpc/kernel/mce.c:27:
include/linux/mm.h: At top level:
include/linux/mm.h:1121:29: error: conflicting types for 'page_to_section'
static inline unsigned long page_to_section(const struct page *page)
^~~~~~~~~~~~~~~
In file included from arch/powerpc/include/asm/page.h:339:0,
from arch/powerpc/include/asm/thread_info.h:29,
from include/linux/thread_info.h:38,
from include/asm-generic/preempt.h:5,
from ./arch/powerpc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:81,
from include/linux/hardirq.h:5,
from arch/powerpc/kernel/mce.c:25:
include/asm-generic/memory_model.h:64:14: note: previous implicit declaration of 'page_to_section' was here
int __sec = page_to_section(__pg); \
^
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
#define page_to_pfn __page_to_pfn
^~~~~~~~~~~~~
>> arch/powerpc/include/asm/io.h:835:22: note: in expansion of macro 'page_to_pfn'
unsigned long pfn = page_to_pfn(page);
^~~~~~~~~~~
cc1: all warnings being treated as errors
--
In file included from arch/powerpc/include/asm/page.h:339:0,
from arch/powerpc/include/asm/book3s/64/mmu.h:5,
from arch/powerpc/include/asm/mmu.h:328,
from arch/powerpc/include/asm/lppaca.h:36,
from arch/powerpc/include/asm/paca.h:21,
from arch/powerpc/include/asm/current.h:16,
from include/linux/sched.h:12,
from arch/powerpc/kernel/cputable.c:14:
arch/powerpc/include/asm/io.h: In function 'page_to_phys':
include/asm-generic/memory_model.h:64:14: error: implicit declaration of function 'page_to_section'; did you mean '__nr_to_section'? [-Werror=implicit-function-declaration]
int __sec = page_to_section(__pg); \
^
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
#define page_to_pfn __page_to_pfn
^~~~~~~~~~~~~
>> arch/powerpc/include/asm/io.h:835:22: note: in expansion of macro 'page_to_pfn'
unsigned long pfn = page_to_pfn(page);
^~~~~~~~~~~
cc1: all warnings being treated as errors
vim +/page_to_pfn +835 arch/powerpc/include/asm/io.h
829
830 /*
831 * Change "struct page" to physical address.
832 */
833 static inline phys_addr_t page_to_phys(struct page *page)
834 {
> 835 unsigned long pfn = page_to_pfn(page);
836
837 WARN_ON(IS_ENABLED(CONFIG_DEBUG_VIRTUAL) && !pfn_valid(pfn));
838
839 return PFN_PHYS(pfn);
840 }
841
---
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