From: kernel test robot <lkp@intel.com>
To: Anshuman Khandual <anshuman.khandual@arm.com>, linux-mm@kvack.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Anshuman Khandual <anshuman.khandual@arm.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>,
David Hildenbrand <david@redhat.com>,
Ryan Roberts <ryan.roberts@arm.com>,
"Mike Rapoport (IBM)" <rppt@kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
x86@kernel.org, linux-m68k@lists.linux-m68k.org,
linux-fsdevel@vger.kernel.org, kasan-dev@googlegroups.com,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
Dimitri Sivanich <dimitri.sivanich@hpe.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Muchun Song <muchun.song@linux.dev>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Miaohe Lin <linmiaohe@huawei.com>,
Dennis Zhou <dennis@kernel.org>, Tejun Heo <tj@kernel.org>,
Christoph Lameter <cl@linux-foundation.org>,
Uladzislau Rezki <urezki@gmail.com>,
Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH V2 7/7] mm: Use pgdp_get() for accessing PGD entries
Date: Thu, 19 Sep 2024 04:30:20 +0800 [thread overview]
Message-ID: <202409190310.ViHBRe12-lkp@intel.com> (raw)
In-Reply-To: <20240917073117.1531207-8-anshuman.khandual@arm.com>
Hi Anshuman,
kernel test robot noticed the following build errors:
[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on char-misc/char-misc-next char-misc/char-misc-linus brauner-vfs/vfs.all dennis-percpu/for-next linus/master v6.11]
[cannot apply to akpm-mm/mm-everything next-20240918]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Anshuman-Khandual/m68k-mm-Change-pmd_val/20240917-153331
base: char-misc/char-misc-testing
patch link: https://lore.kernel.org/r/20240917073117.1531207-8-anshuman.khandual%40arm.com
patch subject: [PATCH V2 7/7] mm: Use pgdp_get() for accessing PGD entries
config: arm-footbridge_defconfig (https://download.01.org/0day-ci/archive/20240919/202409190310.ViHBRe12-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 8663a75fa2f31299ab8d1d90288d9df92aadee88)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240919/202409190310.ViHBRe12-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409190310.ViHBRe12-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:30:
>> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
1245 | pgd_t old_pgd = pgdp_get(pgd);
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/pgtable.h:1243:48: note: 'pgd' declared here
1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd)
| ^
>> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
1245 | pgd_t old_pgd = pgdp_get(pgd);
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/pgtable.h:1243:48: note: 'pgd' declared here
1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd)
| ^
>> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
1245 | pgd_t old_pgd = pgdp_get(pgd);
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/pgtable.h:1243:48: note: 'pgd' declared here
1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd)
| ^
>> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
1245 | pgd_t old_pgd = pgdp_get(pgd);
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/pgtable.h:1243:48: note: 'pgd' declared here
1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd)
| ^
>> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
1245 | pgd_t old_pgd = pgdp_get(pgd);
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/pgtable.h:1243:48: note: 'pgd' declared here
1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd)
| ^
>> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
1245 | pgd_t old_pgd = pgdp_get(pgd);
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/pgtable.h:1243:48: note: 'pgd' declared here
1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd)
| ^
>> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
1245 | pgd_t old_pgd = pgdp_get(pgd);
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/pgtable.h:1243:48: note: 'pgd' declared here
1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd)
| ^
>> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
1245 | pgd_t old_pgd = pgdp_get(pgd);
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/pgtable.h:1243:48: note: 'pgd' declared here
1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd)
| ^
>> include/linux/pgtable.h:1245:8: error: array initializer must be an initializer list or wide string literal
1245 | pgd_t old_pgd = pgdp_get(pgd);
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:115:5: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
115 | (set1->sig[2] == set2->sig[2]) &&
| ^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:115:21: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
115 | (set1->sig[2] == set2->sig[2]) &&
| ^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:157:1: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
157 | _SIG_SET_BINOP(sigorsets, _sig_or)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:138:8: note: expanded from macro '_SIG_SET_BINOP'
138 | a3 = a->sig[3]; a2 = a->sig[2]; \
| ^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
--
163 | _SIG_SET_BINOP(sigandnsets, _sig_andn)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:140:3: note: expanded from macro '_SIG_SET_BINOP'
140 | r->sig[3] = op(a3, b3); \
| ^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:163:1: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
163 | _SIG_SET_BINOP(sigandnsets, _sig_andn)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:141:3: note: expanded from macro '_SIG_SET_BINOP'
141 | r->sig[2] = op(a2, b2); \
| ^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:187:1: warning: array index 3 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
187 | _SIG_SET_OP(signotset, _sig_not)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:174:27: note: expanded from macro '_SIG_SET_OP'
174 | case 4: set->sig[3] = op(set->sig[3]); \
| ^ ~
include/linux/signal.h:186:24: note: expanded from macro '_sig_not'
186 | #define _sig_not(x) (~(x))
| ^
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:187:1: warning: array index 3 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
187 | _SIG_SET_OP(signotset, _sig_not)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:174:10: note: expanded from macro '_SIG_SET_OP'
174 | case 4: set->sig[3] = op(set->sig[3]); \
| ^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:187:1: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
187 | _SIG_SET_OP(signotset, _sig_not)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:175:20: note: expanded from macro '_SIG_SET_OP'
175 | set->sig[2] = op(set->sig[2]); \
| ^ ~
include/linux/signal.h:186:24: note: expanded from macro '_sig_not'
186 | #define _sig_not(x) (~(x))
| ^
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:1131:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:187:1: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
187 | _SIG_SET_OP(signotset, _sig_not)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:175:3: note: expanded from macro '_SIG_SET_OP'
175 | set->sig[2] = op(set->sig[2]); \
| ^ ~
arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here
17 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from arch/arm/kernel/asm-offsets.c:12:
In file included from include/linux/mm.h:2232:
include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
517 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from arch/arm/kernel/asm-offsets.c:12:
>> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ?
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/mm.h:2819:61: note: 'pgd' declared here
2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd,
| ^
>> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ?
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/mm.h:2819:61: note: 'pgd' declared here
2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd,
| ^
>> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ?
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/mm.h:2819:61: note: 'pgd' declared here
2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd,
| ^
>> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ?
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/mm.h:2819:61: note: 'pgd' declared here
2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd,
| ^
>> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ?
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/mm.h:2819:61: note: 'pgd' declared here
2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd,
| ^
>> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ?
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/mm.h:2819:61: note: 'pgd' declared here
2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd,
| ^
>> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ?
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/mm.h:2819:61: note: 'pgd' declared here
2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd,
| ^
>> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'?
2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ?
| ^
arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/linux/mm.h:2819:61: note: 'pgd' declared here
2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd,
| ^
>> include/linux/mm.h:2822:28: error: passing 'const volatile pmdval_t *' (aka 'const volatile unsigned int *') to parameter of type 'pmdval_t *' (aka 'unsigned int *') discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ?
| ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
arch/arm/include/asm/pgtable.h:154:25: note: expanded from macro 'pgdp_get'
154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp)
| ^
include/asm-generic/rwonce.h:47:28: note: expanded from macro 'READ_ONCE'
47 | #define READ_ONCE(x) \
| ^
include/linux/compiler.h:77:42: note: expanded from macro 'unlikely'
77 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
include/asm-generic/pgtable-nop4d.h:21:34: note: passing argument to parameter 'pgd' here
21 | static inline int pgd_none(pgd_t pgd) { return 0; }
| ^
29 warnings and 18 errors generated.
make[3]: *** [scripts/Makefile.build:117: arch/arm/kernel/asm-offsets.s] Error 1
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1194: prepare0] Error 2
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:224: __sub-make] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:224: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +1245 include/linux/pgtable.h
1242
1243 static inline int pgd_none_or_clear_bad(pgd_t *pgd)
1244 {
> 1245 pgd_t old_pgd = pgdp_get(pgd);
1246
1247 if (pgd_none(old_pgd))
1248 return 1;
1249 if (unlikely(pgd_bad(old_pgd))) {
1250 pgd_clear_bad(pgd);
1251 return 1;
1252 }
1253 return 0;
1254 }
1255
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2024-09-18 20:30 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-17 7:31 [PATCH V2 0/7] mm: Use pxdp_get() for accessing page table entries Anshuman Khandual
2024-09-17 7:31 ` [PATCH V2 1/7] m68k/mm: Change pmd_val() Anshuman Khandual
2024-09-17 8:40 ` Ryan Roberts
2024-09-17 10:20 ` David Hildenbrand
2024-09-17 10:27 ` Ryan Roberts
2024-09-17 10:30 ` David Hildenbrand
2024-09-17 7:31 ` [PATCH V2 2/7] x86/mm: Drop page table entry address output from pxd_ERROR() Anshuman Khandual
2024-09-17 10:22 ` David Hildenbrand
2024-09-17 11:19 ` Dave Hansen
2024-09-17 11:25 ` Anshuman Khandual
2024-09-17 11:31 ` David Hildenbrand
2024-09-17 7:31 ` [PATCH V2 3/7] mm: Use ptep_get() for accessing PTE entries Anshuman Khandual
2024-09-17 8:44 ` Ryan Roberts
2024-09-17 10:28 ` David Hildenbrand
2024-09-18 6:32 ` Anshuman Khandual
2024-09-19 8:04 ` David Hildenbrand
2024-09-19 9:20 ` Anshuman Khandual
2024-09-17 7:31 ` [PATCH V2 4/7] mm: Use pmdp_get() for accessing PMD entries Anshuman Khandual
2024-09-17 10:05 ` Ryan Roberts
2024-09-18 18:57 ` kernel test robot
2024-09-19 7:21 ` Anshuman Khandual
2024-09-18 19:07 ` kernel test robot
2024-09-19 7:12 ` Anshuman Khandual
2024-09-17 7:31 ` [PATCH V2 5/7] mm: Use pudp_get() for accessing PUD entries Anshuman Khandual
2024-09-17 7:31 ` [PATCH V2 6/7] mm: Use p4dp_get() for accessing P4D entries Anshuman Khandual
2024-09-17 7:31 ` [PATCH V2 7/7] mm: Use pgdp_get() for accessing PGD entries Anshuman Khandual
2024-09-18 20:30 ` kernel test robot [this message]
2024-09-19 7:55 ` Anshuman Khandual
2024-09-19 9:11 ` Russell King (Oracle)
2024-09-19 15:48 ` Ryan Roberts
2024-09-19 17:06 ` Russell King (Oracle)
2024-09-19 17:49 ` Ryan Roberts
2024-09-19 20:25 ` Russell King (Oracle)
2024-09-20 6:57 ` Ryan Roberts
2024-09-20 9:47 ` Russell King (Oracle)
2024-09-23 15:21 ` Ryan Roberts
2024-09-25 10:05 ` [PATCH V2 0/7] mm: Use pxdp_get() for accessing page table entries Christophe Leroy
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