* [ardb:arm64-ro-page-tables-pkvm 63/63] include/asm-generic/memory_model.h:63:30: error: initialization of 'const struct page from incompatible pointer type 'pgtable_t' {aka 'struct <anonymous>
@ 2021-03-09 22:01 kernel test robot
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From: kernel test robot @ 2021-03-09 22:01 UTC (permalink / raw)
To: kbuild-all
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tree: git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git arm64-ro-page-tables-pkvm
head: 013c3cfada2933235858e3db49db939379e7003f
commit: 013c3cfada2933235858e3db49db939379e7003f [63/63] mm: HACK provide target address when migrating a PMD entry
config: sparc64-randconfig-r015-20210309 (attached as .config)
compiler: sparc64-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/ardb/linux.git/commit/?id=013c3cfada2933235858e3db49db939379e7003f
git remote add ardb git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git
git fetch --no-tags ardb arm64-ro-page-tables-pkvm
git checkout 013c3cfada2933235858e3db49db939379e7003f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from arch/sparc/include/asm/page.h:8,
from arch/sparc/include/asm/thread_info_64.h:27,
from arch/sparc/include/asm/thread_info.h:5,
from include/linux/thread_info.h:58,
from include/asm-generic/preempt.h:5,
from ./arch/sparc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:78,
from include/linux/spinlock.h:51,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from mm/huge_memory.c:8:
mm/huge_memory.c: In function '__split_huge_zero_page_pmd':
>> include/asm-generic/memory_model.h:63:30: error: initialization of 'const struct page *' from incompatible pointer type 'pgtable_t' {aka 'struct <anonymous> *'} [-Werror=incompatible-pointer-types]
63 | ({ const struct page *__pg = (pg); \
| ^
arch/sparc/include/asm/page_64.h:85:37: note: in definition of macro '__pmd'
85 | #define __pmd(x) ((pmd_t) { (x) } )
| ^
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
81 | #define page_to_pfn __page_to_pfn
| ^~~~~~~~~~~~~
arch/sparc/include/asm/page.h:5:29: note: in expansion of macro 'page_to_pfn'
5 | #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
| ^~~~~~~~~~~
mm/huge_memory.c:2031:35: note: in expansion of macro 'page_to_phys'
2031 | set_pmd_at(mm, haddr, pmd, __pmd(page_to_phys(pgtable) | PMD_TYPE_TABLE));
| ^~~~~~~~~~~~
include/asm-generic/memory_model.h:63:30: note: (near initialization for '(anonymous)')
63 | ({ const struct page *__pg = (pg); \
| ^
arch/sparc/include/asm/page_64.h:85:37: note: in definition of macro '__pmd'
85 | #define __pmd(x) ((pmd_t) { (x) } )
| ^
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
81 | #define page_to_pfn __page_to_pfn
| ^~~~~~~~~~~~~
arch/sparc/include/asm/page.h:5:29: note: in expansion of macro 'page_to_pfn'
5 | #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
| ^~~~~~~~~~~
mm/huge_memory.c:2031:35: note: in expansion of macro 'page_to_phys'
2031 | set_pmd_at(mm, haddr, pmd, __pmd(page_to_phys(pgtable) | PMD_TYPE_TABLE));
| ^~~~~~~~~~~~
mm/huge_memory.c:2031:59: error: 'PMD_TYPE_TABLE' undeclared (first use in this function)
2031 | set_pmd_at(mm, haddr, pmd, __pmd(page_to_phys(pgtable) | PMD_TYPE_TABLE));
| ^~~~~~~~~~~~~~
arch/sparc/include/asm/page_64.h:85:37: note: in definition of macro '__pmd'
85 | #define __pmd(x) ((pmd_t) { (x) } )
| ^
mm/huge_memory.c:2031:59: note: each undeclared identifier is reported only once for each function it appears in
2031 | set_pmd_at(mm, haddr, pmd, __pmd(page_to_phys(pgtable) | PMD_TYPE_TABLE));
| ^~~~~~~~~~~~~~
arch/sparc/include/asm/page_64.h:85:37: note: in definition of macro '__pmd'
85 | #define __pmd(x) ((pmd_t) { (x) } )
| ^
mm/huge_memory.c: In function '__split_huge_pmd_locked':
>> include/asm-generic/memory_model.h:63:30: error: initialization of 'const struct page *' from incompatible pointer type 'pgtable_t' {aka 'struct <anonymous> *'} [-Werror=incompatible-pointer-types]
63 | ({ const struct page *__pg = (pg); \
| ^
arch/sparc/include/asm/page_64.h:85:37: note: in definition of macro '__pmd'
85 | #define __pmd(x) ((pmd_t) { (x) } )
| ^
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
81 | #define page_to_pfn __page_to_pfn
| ^~~~~~~~~~~~~
arch/sparc/include/asm/page.h:5:29: note: in expansion of macro 'page_to_pfn'
5 | #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
| ^~~~~~~~~~~
mm/huge_memory.c:2198:35: note: in expansion of macro 'page_to_phys'
2198 | set_pmd_at(mm, haddr, pmd, __pmd(page_to_phys(pgtable) | PMD_TYPE_TABLE));
| ^~~~~~~~~~~~
include/asm-generic/memory_model.h:63:30: note: (near initialization for '(anonymous)')
63 | ({ const struct page *__pg = (pg); \
| ^
arch/sparc/include/asm/page_64.h:85:37: note: in definition of macro '__pmd'
85 | #define __pmd(x) ((pmd_t) { (x) } )
| ^
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
81 | #define page_to_pfn __page_to_pfn
| ^~~~~~~~~~~~~
arch/sparc/include/asm/page.h:5:29: note: in expansion of macro 'page_to_pfn'
5 | #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
| ^~~~~~~~~~~
mm/huge_memory.c:2198:35: note: in expansion of macro 'page_to_phys'
2198 | set_pmd_at(mm, haddr, pmd, __pmd(page_to_phys(pgtable) | PMD_TYPE_TABLE));
| ^~~~~~~~~~~~
mm/huge_memory.c:2198:59: error: 'PMD_TYPE_TABLE' undeclared (first use in this function)
2198 | set_pmd_at(mm, haddr, pmd, __pmd(page_to_phys(pgtable) | PMD_TYPE_TABLE));
| ^~~~~~~~~~~~~~
arch/sparc/include/asm/page_64.h:85:37: note: in definition of macro '__pmd'
85 | #define __pmd(x) ((pmd_t) { (x) } )
| ^
cc1: some warnings being treated as errors
vim +63 include/asm-generic/memory_model.h
8f6aac419bd590 Christoph Lameter 2007-10-16 56
a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 57 #elif defined(CONFIG_SPARSEMEM)
a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 58 /*
1a49123b343461 Zhang Yanfei 2013-10-03 59 * Note: section's mem_map is encoded to reflect its start_pfn.
a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 60 * section[i].section_mem_map == mem_map's address - start_pfn;
a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 61 */
67de648211fa04 Andy Whitcroft 2006-06-23 62 #define __page_to_pfn(pg) \
aa462abe8aaf21 Ian Campbell 2011-08-17 @63 ({ const struct page *__pg = (pg); \
a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 64 int __sec = page_to_section(__pg); \
f05b6284ee5d3b Randy Dunlap 2007-02-10 65 (unsigned long)(__pg - __section_mem_map_addr(__nr_to_section(__sec))); \
a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 66 })
a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 67
:::::: The code@line 63 was first introduced by commit
:::::: aa462abe8aaf2198d6aef97da20c874ac694a39f mm: fix __page_to_pfn for a const struct page argument
:::::: TO: Ian Campbell <ian.campbell@citrix.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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