From: kernel test robot <lkp@intel.com>
To: ira.weiny@intel.com, Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
Linux Memory Management List <linux-mm@kvack.org>,
Ira Weiny <ira.weiny@intel.com>,
Dave Hansen <dave.hansen@intel.com>,
Matthew Wilcox <willy@infradead.org>,
Christoph Hellwig <hch@infradead.org>,
Dan Williams <dan.j.williams@intel.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Eric Biggers <ebiggers@kernel.org>
Subject: Re: [PATCH V2 2/2] mm/highmem: Lift memcpy_[to|from]_page to core
Date: Tue, 8 Dec 2020 09:09:20 +0800 [thread overview]
Message-ID: <202012080947.F09M388M-lkp@intel.com> (raw)
In-Reply-To: <20201207225703.2033611-3-ira.weiny@intel.com>
[-- Attachment #1: Type: text/plain, Size: 22540 bytes --]
Hi,
I love your patch! Yet something to improve:
[auto build test ERROR on hch-configfs/for-next]
[also build test ERROR on linus/master v5.10-rc7]
[cannot apply to hnaz-linux-mm/master next-20201207]
[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/ira-weiny-intel-com/Lift-memcpy_-to-from-_page-to-core/20201208-070017
base: git://git.infradead.org/users/hch/configfs.git for-next
config: powerpc64-randconfig-r002-20201207 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a2f922140f5380571fb74179f2bf622b3b925697)
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
# install powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
# https://github.com/0day-ci/linux/commit/23e6d3f08a315c6e70fde3d63a275c91e1dcb0ee
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review ira-weiny-intel-com/Lift-memcpy_-to-from-_page-to-core/20201208-070017
git checkout 23e6d3f08a315c6e70fde3d63a275c91e1dcb0ee
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All error/warnings (new ones prefixed by >>):
<scratch space>:223:1: note: expanded from here
__do_outsw
^
arch/powerpc/include/asm/io.h:545:58: note: expanded from macro '__do_outsw'
#define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:604:
arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:225:1: note: expanded from here
__do_outsl
^
arch/powerpc/include/asm/io.h:546:58: note: expanded from macro '__do_outsl'
#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:23:
In file included from include/linux/blkdev.h:14:
In file included from include/linux/pagemap.h:11:
include/linux/highmem.h:229:15: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
void *addr = kmap_local_page(page);
^
include/linux/highmem.h:229:15: note: did you mean 'kmap_to_page'?
include/linux/highmem.h:130:28: note: 'kmap_to_page' declared here
static inline struct page *kmap_to_page(void *addr)
^
include/linux/highmem.h:229:8: warning: incompatible integer to pointer conversion initializing 'void *' with an expression of type 'int' [-Wint-conversion]
void *addr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:231:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(addr);
^
include/linux/highmem.h:282:16: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
void *kaddr = kmap_local_page(page);
^
include/linux/highmem.h:282:8: warning: incompatible integer to pointer conversion initializing 'void *' with an expression of type 'int' [-Wint-conversion]
void *kaddr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:284:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(kaddr);
^
include/linux/highmem.h:291:16: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
void *kaddr = kmap_local_page(page);
^
include/linux/highmem.h:291:8: warning: incompatible integer to pointer conversion initializing 'void *' with an expression of type 'int' [-Wint-conversion]
void *kaddr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:301:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(kaddr);
^
include/linux/highmem.h:324:10: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
vfrom = kmap_local_page(from);
^
include/linux/highmem.h:324:8: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vfrom = kmap_local_page(from);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:325:6: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vto = kmap_local_page(to);
^ ~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:327:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(vto);
^
include/linux/highmem.h:339:10: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
vfrom = kmap_local_page(from);
^
include/linux/highmem.h:339:8: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vfrom = kmap_local_page(from);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:340:6: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vto = kmap_local_page(to);
^ ~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:342:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(vto);
^
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:23:
In file included from include/linux/blkdev.h:14:
>> include/linux/pagemap.h:1036:14: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *dst = kmap_local_page(dst_page);
^
>> include/linux/pagemap.h:1036:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *dst = kmap_local_page(dst_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1037:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *src = kmap_local_page(src_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/pagemap.h:1039:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(src);
^
include/linux/pagemap.h:1047:14: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *dst = kmap_local_page(dst_page);
^
include/linux/pagemap.h:1047:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *dst = kmap_local_page(dst_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1048:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *src = kmap_local_page(src_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1050:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(src);
^
include/linux/pagemap.h:1056:15: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *from = kmap_local_page(page);
^
include/linux/pagemap.h:1056:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *from = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1058:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(from);
^
include/linux/pagemap.h:1063:13: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *to = kmap_local_page(page);
^
include/linux/pagemap.h:1063:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *to = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1065:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(to);
^
include/linux/pagemap.h:1070:15: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *addr = kmap_local_page(page);
^
include/linux/pagemap.h:1070:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *addr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 warnings and 20 errors generated.
--
<scratch space>:223:1: note: expanded from here
__do_outsw
^
arch/powerpc/include/asm/io.h:545:58: note: expanded from macro '__do_outsw'
#define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:604:
arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:225:1: note: expanded from here
__do_outsl
^
arch/powerpc/include/asm/io.h:546:58: note: expanded from macro '__do_outsl'
#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:23:
In file included from include/linux/blkdev.h:14:
In file included from include/linux/pagemap.h:11:
include/linux/highmem.h:229:15: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
void *addr = kmap_local_page(page);
^
include/linux/highmem.h:229:15: note: did you mean 'kmap_to_page'?
include/linux/highmem.h:130:28: note: 'kmap_to_page' declared here
static inline struct page *kmap_to_page(void *addr)
^
include/linux/highmem.h:229:8: warning: incompatible integer to pointer conversion initializing 'void *' with an expression of type 'int' [-Wint-conversion]
void *addr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:231:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(addr);
^
include/linux/highmem.h:282:16: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
void *kaddr = kmap_local_page(page);
^
include/linux/highmem.h:282:8: warning: incompatible integer to pointer conversion initializing 'void *' with an expression of type 'int' [-Wint-conversion]
void *kaddr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:284:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(kaddr);
^
include/linux/highmem.h:291:16: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
void *kaddr = kmap_local_page(page);
^
include/linux/highmem.h:291:8: warning: incompatible integer to pointer conversion initializing 'void *' with an expression of type 'int' [-Wint-conversion]
void *kaddr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:301:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(kaddr);
^
include/linux/highmem.h:324:10: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
vfrom = kmap_local_page(from);
^
include/linux/highmem.h:324:8: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vfrom = kmap_local_page(from);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:325:6: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vto = kmap_local_page(to);
^ ~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:327:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(vto);
^
include/linux/highmem.h:339:10: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
vfrom = kmap_local_page(from);
^
include/linux/highmem.h:339:8: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vfrom = kmap_local_page(from);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:340:6: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vto = kmap_local_page(to);
^ ~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:342:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(vto);
^
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:23:
In file included from include/linux/blkdev.h:14:
>> include/linux/pagemap.h:1036:14: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *dst = kmap_local_page(dst_page);
^
>> include/linux/pagemap.h:1036:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *dst = kmap_local_page(dst_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1037:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *src = kmap_local_page(src_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/pagemap.h:1039:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(src);
^
include/linux/pagemap.h:1047:14: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *dst = kmap_local_page(dst_page);
^
include/linux/pagemap.h:1047:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *dst = kmap_local_page(dst_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1048:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *src = kmap_local_page(src_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1050:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(src);
^
include/linux/pagemap.h:1056:15: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *from = kmap_local_page(page);
^
include/linux/pagemap.h:1056:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *from = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1058:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(from);
^
include/linux/pagemap.h:1063:13: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *to = kmap_local_page(page);
^
include/linux/pagemap.h:1063:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *to = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1065:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(to);
^
include/linux/pagemap.h:1070:15: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *addr = kmap_local_page(page);
^
include/linux/pagemap.h:1070:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *addr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 warnings and 20 errors generated.
make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1200: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/kmap_local_page +1036 include/linux/pagemap.h
1031
1032 static inline void memcpy_page(struct page *dst_page, size_t dst_off,
1033 struct page *src_page, size_t src_off,
1034 size_t len)
1035 {
> 1036 char *dst = kmap_local_page(dst_page);
1037 char *src = kmap_local_page(src_page);
1038 memcpy(dst + dst_off, src + src_off, len);
> 1039 kunmap_local(src);
1040 kunmap_local(dst);
1041 }
1042
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 31963 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH V2 2/2] mm/highmem: Lift memcpy_[to|from]_page to core
Date: Tue, 08 Dec 2020 09:09:20 +0800 [thread overview]
Message-ID: <202012080947.F09M388M-lkp@intel.com> (raw)
In-Reply-To: <20201207225703.2033611-3-ira.weiny@intel.com>
[-- Attachment #1: Type: text/plain, Size: 22900 bytes --]
Hi,
I love your patch! Yet something to improve:
[auto build test ERROR on hch-configfs/for-next]
[also build test ERROR on linus/master v5.10-rc7]
[cannot apply to hnaz-linux-mm/master next-20201207]
[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/ira-weiny-intel-com/Lift-memcpy_-to-from-_page-to-core/20201208-070017
base: git://git.infradead.org/users/hch/configfs.git for-next
config: powerpc64-randconfig-r002-20201207 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a2f922140f5380571fb74179f2bf622b3b925697)
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
# install powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
# https://github.com/0day-ci/linux/commit/23e6d3f08a315c6e70fde3d63a275c91e1dcb0ee
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review ira-weiny-intel-com/Lift-memcpy_-to-from-_page-to-core/20201208-070017
git checkout 23e6d3f08a315c6e70fde3d63a275c91e1dcb0ee
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All error/warnings (new ones prefixed by >>):
<scratch space>:223:1: note: expanded from here
__do_outsw
^
arch/powerpc/include/asm/io.h:545:58: note: expanded from macro '__do_outsw'
#define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:604:
arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:225:1: note: expanded from here
__do_outsl
^
arch/powerpc/include/asm/io.h:546:58: note: expanded from macro '__do_outsl'
#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:23:
In file included from include/linux/blkdev.h:14:
In file included from include/linux/pagemap.h:11:
include/linux/highmem.h:229:15: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
void *addr = kmap_local_page(page);
^
include/linux/highmem.h:229:15: note: did you mean 'kmap_to_page'?
include/linux/highmem.h:130:28: note: 'kmap_to_page' declared here
static inline struct page *kmap_to_page(void *addr)
^
include/linux/highmem.h:229:8: warning: incompatible integer to pointer conversion initializing 'void *' with an expression of type 'int' [-Wint-conversion]
void *addr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:231:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(addr);
^
include/linux/highmem.h:282:16: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
void *kaddr = kmap_local_page(page);
^
include/linux/highmem.h:282:8: warning: incompatible integer to pointer conversion initializing 'void *' with an expression of type 'int' [-Wint-conversion]
void *kaddr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:284:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(kaddr);
^
include/linux/highmem.h:291:16: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
void *kaddr = kmap_local_page(page);
^
include/linux/highmem.h:291:8: warning: incompatible integer to pointer conversion initializing 'void *' with an expression of type 'int' [-Wint-conversion]
void *kaddr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:301:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(kaddr);
^
include/linux/highmem.h:324:10: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
vfrom = kmap_local_page(from);
^
include/linux/highmem.h:324:8: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vfrom = kmap_local_page(from);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:325:6: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vto = kmap_local_page(to);
^ ~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:327:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(vto);
^
include/linux/highmem.h:339:10: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
vfrom = kmap_local_page(from);
^
include/linux/highmem.h:339:8: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vfrom = kmap_local_page(from);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:340:6: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vto = kmap_local_page(to);
^ ~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:342:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(vto);
^
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:23:
In file included from include/linux/blkdev.h:14:
>> include/linux/pagemap.h:1036:14: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *dst = kmap_local_page(dst_page);
^
>> include/linux/pagemap.h:1036:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *dst = kmap_local_page(dst_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1037:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *src = kmap_local_page(src_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/pagemap.h:1039:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(src);
^
include/linux/pagemap.h:1047:14: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *dst = kmap_local_page(dst_page);
^
include/linux/pagemap.h:1047:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *dst = kmap_local_page(dst_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1048:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *src = kmap_local_page(src_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1050:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(src);
^
include/linux/pagemap.h:1056:15: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *from = kmap_local_page(page);
^
include/linux/pagemap.h:1056:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *from = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1058:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(from);
^
include/linux/pagemap.h:1063:13: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *to = kmap_local_page(page);
^
include/linux/pagemap.h:1063:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *to = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1065:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(to);
^
include/linux/pagemap.h:1070:15: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *addr = kmap_local_page(page);
^
include/linux/pagemap.h:1070:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *addr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 warnings and 20 errors generated.
--
<scratch space>:223:1: note: expanded from here
__do_outsw
^
arch/powerpc/include/asm/io.h:545:58: note: expanded from macro '__do_outsw'
#define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:604:
arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:225:1: note: expanded from here
__do_outsl
^
arch/powerpc/include/asm/io.h:546:58: note: expanded from macro '__do_outsl'
#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:23:
In file included from include/linux/blkdev.h:14:
In file included from include/linux/pagemap.h:11:
include/linux/highmem.h:229:15: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
void *addr = kmap_local_page(page);
^
include/linux/highmem.h:229:15: note: did you mean 'kmap_to_page'?
include/linux/highmem.h:130:28: note: 'kmap_to_page' declared here
static inline struct page *kmap_to_page(void *addr)
^
include/linux/highmem.h:229:8: warning: incompatible integer to pointer conversion initializing 'void *' with an expression of type 'int' [-Wint-conversion]
void *addr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:231:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(addr);
^
include/linux/highmem.h:282:16: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
void *kaddr = kmap_local_page(page);
^
include/linux/highmem.h:282:8: warning: incompatible integer to pointer conversion initializing 'void *' with an expression of type 'int' [-Wint-conversion]
void *kaddr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:284:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(kaddr);
^
include/linux/highmem.h:291:16: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
void *kaddr = kmap_local_page(page);
^
include/linux/highmem.h:291:8: warning: incompatible integer to pointer conversion initializing 'void *' with an expression of type 'int' [-Wint-conversion]
void *kaddr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:301:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(kaddr);
^
include/linux/highmem.h:324:10: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
vfrom = kmap_local_page(from);
^
include/linux/highmem.h:324:8: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vfrom = kmap_local_page(from);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:325:6: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vto = kmap_local_page(to);
^ ~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:327:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(vto);
^
include/linux/highmem.h:339:10: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
vfrom = kmap_local_page(from);
^
include/linux/highmem.h:339:8: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vfrom = kmap_local_page(from);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:340:6: warning: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
vto = kmap_local_page(to);
^ ~~~~~~~~~~~~~~~~~~~
include/linux/highmem.h:342:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(vto);
^
In file included from arch/powerpc/kernel/asm-offsets.c:23:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:23:
In file included from include/linux/blkdev.h:14:
>> include/linux/pagemap.h:1036:14: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *dst = kmap_local_page(dst_page);
^
>> include/linux/pagemap.h:1036:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *dst = kmap_local_page(dst_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1037:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *src = kmap_local_page(src_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/pagemap.h:1039:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(src);
^
include/linux/pagemap.h:1047:14: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *dst = kmap_local_page(dst_page);
^
include/linux/pagemap.h:1047:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *dst = kmap_local_page(dst_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1048:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *src = kmap_local_page(src_page);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1050:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(src);
^
include/linux/pagemap.h:1056:15: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *from = kmap_local_page(page);
^
include/linux/pagemap.h:1056:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *from = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1058:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(from);
^
include/linux/pagemap.h:1063:13: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *to = kmap_local_page(page);
^
include/linux/pagemap.h:1063:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *to = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
include/linux/pagemap.h:1065:2: error: implicit declaration of function 'kunmap_local' [-Werror,-Wimplicit-function-declaration]
kunmap_local(to);
^
include/linux/pagemap.h:1070:15: error: implicit declaration of function 'kmap_local_page' [-Werror,-Wimplicit-function-declaration]
char *addr = kmap_local_page(page);
^
include/linux/pagemap.h:1070:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
char *addr = kmap_local_page(page);
^ ~~~~~~~~~~~~~~~~~~~~~
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 warnings and 20 errors generated.
make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1200: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/kmap_local_page +1036 include/linux/pagemap.h
1031
1032 static inline void memcpy_page(struct page *dst_page, size_t dst_off,
1033 struct page *src_page, size_t src_off,
1034 size_t len)
1035 {
> 1036 char *dst = kmap_local_page(dst_page);
1037 char *src = kmap_local_page(src_page);
1038 memcpy(dst + dst_off, src + src_off, len);
> 1039 kunmap_local(src);
1040 kunmap_local(dst);
1041 }
1042
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 31963 bytes --]
next prev parent reply other threads:[~2020-12-08 1:10 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-07 22:57 [PATCH V2 0/2] Lift memcpy_[to|from]_page to core ira.weiny
2020-12-07 22:57 ` [PATCH V2 1/2] mm/highmem: Remove deprecated kmap_atomic ira.weiny
2020-12-08 0:22 ` kernel test robot
2020-12-08 0:22 ` kernel test robot
2020-12-07 22:57 ` [PATCH V2 2/2] mm/highmem: Lift memcpy_[to|from]_page to core ira.weiny
2020-12-07 23:26 ` Matthew Wilcox
2020-12-07 23:34 ` Dan Williams
2020-12-07 23:40 ` Matthew Wilcox
2020-12-07 23:49 ` Dan Williams
2020-12-08 21:32 ` Ira Weiny
2020-12-08 21:50 ` Matthew Wilcox
2020-12-08 22:23 ` Dan Williams
2020-12-08 22:32 ` Matthew Wilcox
2020-12-08 22:45 ` Darrick J. Wong
2020-12-08 22:54 ` Matthew Wilcox
2020-12-08 23:40 ` Dan Williams
2020-12-09 2:22 ` Ira Weiny
2020-12-09 4:03 ` Matthew Wilcox
2020-12-09 19:47 ` Dan Williams
2020-12-09 20:14 ` Matthew Wilcox
2020-12-09 20:19 ` Dan Williams
2020-12-10 5:35 ` Ira Weiny
2020-12-08 22:21 ` Dan Williams
2020-12-08 0:40 ` kernel test robot
2020-12-08 0:40 ` kernel test robot
2020-12-08 1:09 ` kernel test robot [this message]
2020-12-08 1:09 ` kernel test robot
2020-12-08 12:23 ` Matthew Wilcox
2020-12-08 16:38 ` Ira Weiny
2020-12-08 16:40 ` Matthew Wilcox
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