From: kbuild test robot <fengguang.wu@intel.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: kbuild-all@01.org, Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: [linux-next:master 13808/14071] arch/arm/include/asm/pgtable-3level.h:228:25: note: in expansion of macro 'pmd_write'
Date: Thu, 23 Nov 2017 00:44:50 +0800 [thread overview]
Message-ID: <201711230046.iK2mFk89%fengguang.wu@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: aa1fbe633d3034f9f838ff13387af04771e68e31
commit: 5292abe86ee6b74a475d33d38bf5a266dacece0b [13808/14071] mm: fix device-dax pud write-faults triggered by get_user_pages()
config: arm-axm55xx_defconfig (attached as .config)
compiler: arm-linux-gnueabi-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 5292abe86ee6b74a475d33d38bf5a266dacece0b
# save the attached .config to linux build tree
make.cross ARCH=arm
All error/warnings (new ones prefixed by >>):
In file included from arch/arm/include/asm/pgtable.h:32:0,
from include/linux/memremap.h:8,
from include/linux/mm.h:27,
from arch/arm/kernel/asm-offsets.c:15:
>> arch/arm/include/asm/pgtable-3level.h:212:32: error: expected identifier or '(' before '!' token
#define pmd_isclear(pmd, val) (!(pmd_val(pmd) & (val)))
^
>> arch/arm/include/asm/pgtable-3level.h:225:26: note: in expansion of macro 'pmd_isclear'
#define pmd_write(pmd) (pmd_isclear((pmd), L_PMD_SECT_RDONLY))
^~~~~~~~~~~
>> arch/arm/include/asm/pgtable-3level.h:228:25: note: in expansion of macro 'pmd_write'
#define pud_write(pud) pmd_write(__pmd(pud_val(pud)))
^~~~~~~~~
include/asm-generic/pgtable.h:817:19: note: in expansion of macro 'pud_write'
static inline int pud_write(pud_t pud)
^~~~~~~~~
make[2]: *** [arch/arm/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [sub-make] Error 2
vim +/pmd_write +228 arch/arm/include/asm/pgtable-3level.h
1355e2a6 Catalin Marinas 2012-07-25 209
f2950706 Steven Capper 2014-07-18 210 #define pmd_isset(pmd, val) ((u32)(val) == (val) ? pmd_val(pmd) & (val) \
f2950706 Steven Capper 2014-07-18 211 : !!(pmd_val(pmd) & (val)))
f2950706 Steven Capper 2014-07-18 @212 #define pmd_isclear(pmd, val) (!(pmd_val(pmd) & (val)))
f2950706 Steven Capper 2014-07-18 213
62453188 Will Deacon 2016-06-07 214 #define pmd_present(pmd) (pmd_isset((pmd), L_PMD_SECT_VALID))
f2950706 Steven Capper 2014-07-18 215 #define pmd_young(pmd) (pmd_isset((pmd), PMD_SECT_AF))
bd951303 Steve Capper 2014-10-09 216 #define pte_special(pte) (pte_isset((pte), L_PTE_SPECIAL))
bd951303 Steve Capper 2014-10-09 217 static inline pte_t pte_mkspecial(pte_t pte)
bd951303 Steve Capper 2014-10-09 218 {
bd951303 Steve Capper 2014-10-09 219 pte_val(pte) |= L_PTE_SPECIAL;
bd951303 Steve Capper 2014-10-09 220 return pte;
bd951303 Steve Capper 2014-10-09 221 }
bd951303 Steve Capper 2014-10-09 222 #define __HAVE_ARCH_PTE_SPECIAL
8d962507 Catalin Marinas 2012-07-25 223
8d962507 Catalin Marinas 2012-07-25 224 #define __HAVE_ARCH_PMD_WRITE
ded94779 Steven Capper 2014-07-18 @225 #define pmd_write(pmd) (pmd_isclear((pmd), L_PMD_SECT_RDONLY))
ded94779 Steven Capper 2014-07-18 226 #define pmd_dirty(pmd) (pmd_isset((pmd), L_PMD_SECT_DIRTY))
b8cd51af Steve Capper 2014-10-09 227 #define pud_page(pud) pmd_page(__pmd(pud_val(pud)))
b8cd51af Steve Capper 2014-10-09 @228 #define pud_write(pud) pmd_write(__pmd(pud_val(pud)))
8d962507 Catalin Marinas 2012-07-25 229
:::::: The code at line 228 was first introduced by commit
:::::: b8cd51afe05a98ef907e61c603d5c5b7ad6242d8 arm: mm: enable RCU fast_gup
:::::: TO: Steve Capper <steve.capper@linaro.org>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
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next reply other threads:[~2017-11-22 16:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-22 16:44 kbuild test robot [this message]
2017-11-22 21:37 ` Dan Williams
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