Re: [PATCH v9 46/96] mm: Add flush_dcache_folio

From: kernel test robot
Date: Wed May 05 2021 - 19:35:36 EST

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In reply to: Matthew Wilcox (Oracle): "[PATCH v9 46/96] mm: Add flush_dcache_folio"
Next in thread: Matthew Wilcox: "Re: [PATCH v9 46/96] mm: Add flush_dcache_folio"
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Hi "Matthew,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on next-20210505]
[cannot apply to hnaz-linux-mm/master xfs-linux/for-next tip/perf/core shaggy/jfs-next block/for-next linus/master asm-generic/master v5.12 v5.12-rc8 v5.12-rc7 v5.12]
[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]

url: https://github.com/0day-ci/linux/commits/Matthew-Wilcox-Oracle/Memory-folios/20210506-014108
base: 29955e0289b3255c5f609a7564a0f0bb4ae35c7a
config: ia64-allmodconfig (attached as .config)
compiler: ia64-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://github.com/0day-ci/linux/commit/2104ef87cf0390e2def04a508c79a664b4a4fcc4
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Matthew-Wilcox-Oracle/Memory-folios/20210506-014108
git checkout 2104ef87cf0390e2def04a508c79a664b4a4fcc4
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=ia64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from arch/ia64/include/asm/cacheflush.h:31,
from arch/ia64/include/asm/pgtable.h:153,
from include/linux/pgtable.h:6,
from arch/ia64/include/asm/uaccess.h:40,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from arch/ia64/kernel/asm-offsets.c:10:
include/asm-generic/cacheflush.h: In function 'flush_dcache_folio':
>> include/asm-generic/cacheflush.h:61:19: error: implicit declaration of function 'folio_nr_pages'; did you mean 'folio_page'? [-Werror=implicit-function-declaration]
61 | unsigned int n = folio_nr_pages(folio);
| ^~~~~~~~~~~~~~
| folio_page
In file included from arch/ia64/include/asm/pgtable.h:153,
from include/linux/pgtable.h:6,
from arch/ia64/include/asm/uaccess.h:40,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from arch/ia64/kernel/asm-offsets.c:10:
>> include/asm-generic/cacheflush.h:65:21: error: implicit declaration of function 'nth_page' [-Werror=implicit-function-declaration]
65 | flush_dcache_page(nth_page(&folio->page, n));
| ^~~~~~~~
arch/ia64/include/asm/cacheflush.h:18:25: note: in definition of macro 'flush_dcache_page'
18 | clear_bit(PG_arch_1, &(page)->flags); \
| ^~~~
>> arch/ia64/include/asm/cacheflush.h:18:30: error: invalid type argument of '->' (have 'int')
18 | clear_bit(PG_arch_1, &(page)->flags); \
| ^~
include/asm-generic/cacheflush.h:65:3: note: in expansion of macro 'flush_dcache_page'
65 | flush_dcache_page(nth_page(&folio->page, n));
| ^~~~~~~~~~~~~~~~~
arch/ia64/kernel/asm-offsets.c: At top level:
arch/ia64/kernel/asm-offsets.c:23:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes]
23 | void foo(void)
| ^~~
cc1: some warnings being treated as errors
--
In file included from arch/ia64/include/asm/cacheflush.h:31,
from arch/ia64/include/asm/pgtable.h:153,
from include/linux/pgtable.h:6,
from arch/ia64/include/asm/uaccess.h:40,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from arch/ia64/kernel/asm-offsets.c:10:
include/asm-generic/cacheflush.h: In function 'flush_dcache_folio':
>> include/asm-generic/cacheflush.h:61:19: error: implicit declaration of function 'folio_nr_pages'; did you mean 'folio_page'? [-Werror=implicit-function-declaration]
61 | unsigned int n = folio_nr_pages(folio);
| ^~~~~~~~~~~~~~
| folio_page
In file included from arch/ia64/include/asm/pgtable.h:153,
from include/linux/pgtable.h:6,
from arch/ia64/include/asm/uaccess.h:40,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from arch/ia64/kernel/asm-offsets.c:10:
>> include/asm-generic/cacheflush.h:65:21: error: implicit declaration of function 'nth_page' [-Werror=implicit-function-declaration]
65 | flush_dcache_page(nth_page(&folio->page, n));
| ^~~~~~~~
arch/ia64/include/asm/cacheflush.h:18:25: note: in definition of macro 'flush_dcache_page'
18 | clear_bit(PG_arch_1, &(page)->flags); \
| ^~~~
>> arch/ia64/include/asm/cacheflush.h:18:30: error: invalid type argument of '->' (have 'int')
18 | clear_bit(PG_arch_1, &(page)->flags); \
| ^~
include/asm-generic/cacheflush.h:65:3: note: in expansion of macro 'flush_dcache_page'
65 | flush_dcache_page(nth_page(&folio->page, n));
| ^~~~~~~~~~~~~~~~~
arch/ia64/kernel/asm-offsets.c: At top level:
arch/ia64/kernel/asm-offsets.c:23:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes]
23 | void foo(void)
| ^~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:118: arch/ia64/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1313: prepare0] Error 2
make[1]: Target 'modules_prepare' not remade because of errors.
make: *** [Makefile:222: __sub-make] Error 2
make: Target 'modules_prepare' not remade because of errors.
--
error: no override and no default toolchain set
init/Kconfig:70:warning: 'RUSTC_VERSION': number is invalid
In file included from arch/ia64/include/asm/cacheflush.h:31,
from arch/ia64/include/asm/pgtable.h:153,
from include/linux/pgtable.h:6,
from arch/ia64/include/asm/uaccess.h:40,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from arch/ia64/kernel/asm-offsets.c:10:
include/asm-generic/cacheflush.h: In function 'flush_dcache_folio':
>> include/asm-generic/cacheflush.h:61:19: error: implicit declaration of function 'folio_nr_pages'; did you mean 'folio_page'? [-Werror=implicit-function-declaration]
61 | unsigned int n = folio_nr_pages(folio);
| ^~~~~~~~~~~~~~
| folio_page
In file included from arch/ia64/include/asm/pgtable.h:153,
from include/linux/pgtable.h:6,
from arch/ia64/include/asm/uaccess.h:40,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from arch/ia64/kernel/asm-offsets.c:10:
>> include/asm-generic/cacheflush.h:65:21: error: implicit declaration of function 'nth_page' [-Werror=implicit-function-declaration]
65 | flush_dcache_page(nth_page(&folio->page, n));
| ^~~~~~~~
arch/ia64/include/asm/cacheflush.h:18:25: note: in definition of macro 'flush_dcache_page'
18 | clear_bit(PG_arch_1, &(page)->flags); \
| ^~~~
>> arch/ia64/include/asm/cacheflush.h:18:30: error: invalid type argument of '->' (have 'int')
18 | clear_bit(PG_arch_1, &(page)->flags); \
| ^~
include/asm-generic/cacheflush.h:65:3: note: in expansion of macro 'flush_dcache_page'
65 | flush_dcache_page(nth_page(&folio->page, n));
| ^~~~~~~~~~~~~~~~~
arch/ia64/kernel/asm-offsets.c: At top level:
arch/ia64/kernel/asm-offsets.c:23:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes]
23 | void foo(void)
| ^~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:118: arch/ia64/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1313: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:222: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.

vim +61 include/asm-generic/cacheflush.h

57
58 #ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO
59 static inline void flush_dcache_folio(struct folio *folio)
60 {
> 61 unsigned int n = folio_nr_pages(folio);
62
63 do {
64 n--;
> 65 flush_dcache_page(nth_page(&folio->page, n));
66 } while (n);
67 }
68 #endif
69

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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Next message: Stephen Rothwell: "Re: linux-next: manual merge of the akpm-current tree with the powerpc tree"
Previous message: Jens Axboe: "Re: [PATCH v2] io_thread/x86: setup io_threads more like normal user space threads"
In reply to: Matthew Wilcox (Oracle): "[PATCH v9 46/96] mm: Add flush_dcache_folio"
Next in thread: Matthew Wilcox: "Re: [PATCH v9 46/96] mm: Add flush_dcache_folio"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]