From: Qian Cai <cai@lca.pw>
To: kbuild test robot <lkp@intel.com>
Cc: kbuild-all@01.org, Roman Gushchin <guro@fb.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [rgushchin:fix_vmstats 21/221] include/asm-generic/5level-fixup.h:14:18: error: unknown type name 'pgd_t'; did you mean 'pid_t'?
Date: Tue, 13 Aug 2019 10:52:25 -0400 [thread overview]
Message-ID: <1565707945.8572.10.camel@lca.pw> (raw)
In-Reply-To: <201908131117.SThHOrZO%lkp@intel.com>
On Tue, 2019-08-13 at 11:33 +0800, kbuild test robot wrote:
> tree: https://github.com/rgushchin/linux.git fix_vmstats
> head: 4ec858b5201ae067607e82706b36588631c1b990
> commit: 938dda772d9d05074bfe1baa0dc18873fbf4fedb [21/221] include/asm-
> generic/5level-fixup.h: fix variable 'p4d' set but not used
> config: parisc-c3000_defconfig (attached as .config)
> compiler: hppa-linux-gcc (GCC) 7.4.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/mak
> e.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout 938dda772d9d05074bfe1baa0dc18873fbf4fedb
> # save the attached .config to linux build tree
> GCC_VERSION=7.4.0 make.cross ARCH=parisc
I am unable to reproduce this on today's linux-next tree. What's point of
testing this particular personal git tree/branch?
# make CROSS_COMPILE=/root/0day/gcc-7.4.0-nolibc/hppa-linux/bin/hppa-linux- --
jobs=96 ARCH=parisc
CALL scripts/atomic/check-atomics.sh
CALL scripts/checksyscalls.sh
CHK include/generated/compile.h
Building modules, stage 2.
MODPOST 86 modules
# echo $?
0
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@intel.com>
>
> All error/warnings (new ones prefixed by >>):
>
> In file included from include/asm-generic/4level-fixup.h:38:0,
> from arch/parisc/include/asm/pgtable.h:5,
> from arch/parisc/include/asm/io.h:6,
> from include/linux/io.h:13,
> from sound/core/pcm_memory.c:7:
> > > include/asm-generic/5level-fixup.h:14:18: error: unknown type name
> > > 'pgd_t'; did you mean 'pid_t'?
>
> #define p4d_t pgd_t
> ^
> > > include/asm-generic/5level-fixup.h:24:28: note: in expansion of macro
> > > 'p4d_t'
>
> static inline int p4d_none(p4d_t p4d)
> ^~~~~
> > > include/asm-generic/5level-fixup.h:14:18: error: unknown type name
> > > 'pgd_t'; did you mean 'pid_t'?
>
> #define p4d_t pgd_t
> ^
> include/asm-generic/5level-fixup.h:29:27: note: in expansion of macro
> 'p4d_t'
> static inline int p4d_bad(p4d_t p4d)
> ^~~~~
> > > include/asm-generic/5level-fixup.h:14:18: error: unknown type name
> > > 'pgd_t'; did you mean 'pid_t'?
>
> #define p4d_t pgd_t
> ^
> include/asm-generic/5level-fixup.h:34:31: note: in expansion of macro
> 'p4d_t'
> static inline int p4d_present(p4d_t p4d)
> ^~~~~
> In file included from arch/parisc/include/asm/pgtable.h:583:0,
> from arch/parisc/include/asm/io.h:6,
> from include/linux/io.h:13,
> from sound/core/pcm_memory.c:7:
> include/asm-generic/pgtable.h: In function 'p4d_none_or_clear_bad':
> > > include/asm-generic/pgtable.h:578:6: error: implicit declaration of
> > > function 'p4d_none'; did you mean 'pgd_none'? [-Werror=implicit-function-
> > > declaration]
>
> if (p4d_none(*p4d))
> ^~~~~~~~
> pgd_none
> In file included from include/linux/init.h:5:0,
> from include/linux/io.h:10,
> from sound/core/pcm_memory.c:7:
> > > include/asm-generic/pgtable.h:580:15: error: implicit declaration of
> > > function 'p4d_bad'; did you mean 'pgd_bad'? [-Werror=implicit-function-
> > > declaration]
>
> if (unlikely(p4d_bad(*p4d))) {
> ^
> include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
> # define unlikely(x) __builtin_expect(!!(x), 0)
> ^
> cc1: some warnings being treated as errors
>
> vim +14 include/asm-generic/5level-fixup.h
>
> 505a60e225606f Kirill A. Shutemov 2017-03-09 13
> 505a60e225606f Kirill A. Shutemov 2017-03-09 @14 #define p4d_t
> pgd_t
> 505a60e225606f Kirill A. Shutemov 2017-03-09 15
> 505a60e225606f Kirill A. Shutemov 2017-03-09 16 #define pud_alloc(mm, p4d,
> address) \
> 505a60e225606f Kirill A. Shutemov 2017-03-09 17 ((unlikely(pgd_none(
> *(p4d))) && __pud_alloc(mm, p4d, address)) ? \
> 505a60e225606f Kirill A. Shutemov 2017-03-09 18 NULL :
> pud_offset(p4d, address))
> 505a60e225606f Kirill A. Shutemov 2017-03-09 19
> 505a60e225606f Kirill A. Shutemov 2017-03-09 20 #define p4d_alloc(mm, pgd,
> address) (pgd)
> 505a60e225606f Kirill A. Shutemov 2017-03-09 21 #define p4d_offset(pgd,
> start) (pgd)
> 938dda772d9d05 Qian Cai 2019-08-09 22
> 938dda772d9d05 Qian Cai 2019-08-09 23 #ifndef __ASSEMBLY__
> 938dda772d9d05 Qian Cai 2019-08-09 @24 static inline int
> p4d_none(p4d_t p4d)
> 938dda772d9d05 Qian Cai 2019-08-09 25 {
> 938dda772d9d05 Qian Cai 2019-08-09 26 return 0;
> 938dda772d9d05 Qian Cai 2019-08-09 27 }
> 938dda772d9d05 Qian Cai 2019-08-09 28
>
> :::::: The code at line 14 was first introduced by commit
> :::::: 505a60e225606fbd3d2eadc31ff793d939ba66f1 asm-generic: introduce 5level-
> fixup.h
>
> :::::: TO: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> :::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
next prev parent reply other threads:[~2019-08-13 14:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-13 3:33 [rgushchin:fix_vmstats 21/221] include/asm-generic/5level-fixup.h:14:18: error: unknown type name 'pgd_t'; did you mean 'pid_t'? kbuild test robot
2019-08-13 14:52 ` Qian Cai [this message]
2019-08-14 0:45 ` Roman Gushchin
2019-08-14 14:38 ` Qian Cai
2019-08-20 7:08 ` [kbuild-all] " Rong Chen
2019-08-22 0:32 ` Roman Gushchin
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