This one is already fixed in v2 and v3 by the addition of asm/pgtable.h
Christophe
Le 12/12/2018 à 06:36, kbuild test robot a écrit :
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-ppc64e_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 errors (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/stat.h:19,
from include/linux/module.h:10,
from init/do_mounts.c:1:
arch/powerpc/include/asm/io.h: In function 'page_to_phys':
include/asm-generic/memory_model.h:55:54: error: 'vmemmap' undeclared (first
use in this function); did you mean 'mem_map'?
#define __page_to_pfn(page) (unsigned long)((page) - vmemmap)
^
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);
^~~~~~~~~~~
include/asm-generic/memory_model.h:55:54: note: each undeclared identifier
is reported only once for each function it appears in
#define __page_to_pfn(page) (unsigned long)((page) - vmemmap)
^
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);
^~~~~~~~~~~
vim +55 include/asm-generic/memory_model.h
8f6aac41 Christoph Lameter 2007-10-16 52
af901ca1 André Goddard Rosa 2009-11-14 53 /* memmap is virtually contiguous.
*/
8f6aac41 Christoph Lameter 2007-10-16 54 #define __pfn_to_page(pfn)
(vmemmap + (pfn))
32272a26 Martin Schwidefsky 2008-12-25 @55 #define __page_to_pfn(page)
(unsigned long)((page) - vmemmap)
8f6aac41 Christoph Lameter 2007-10-16 56
:::::: The code at line 55 was first introduced by commit
:::::: 32272a26974d2027384fd4010cd1780fca425d94 [S390] __page_to_pfn warnings
:::::: TO: Martin Schwidefsky <schwidef...@de.ibm.com>
:::::: CC: Martin Schwidefsky <schwidef...@de.ibm.com>
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