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Message-ID: <202201042231.vdt1cNrS-lkp@intel.com>
Date: Tue, 4 Jan 2022 23:05:15 +0800
From: kernel test robot <lkp@...el.com>
To: Ingo Molnar <mingo@...nel.org>,
Nathan Chancellor <nathan@...nel.org>,
Al Viro <viro@...iv.linux.org.uk>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Andrew Morton <akpm@...ux-foundation.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
LKML <linux-kernel@...r.kernel.org>,
Linux Memory Management List <linux-mm@...ck.org>,
linux-arch@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>,
Thomas Gleixner <tglx@...utronix.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] headers/deps: dcache: Move the ____cacheline_aligned
attribute to the head of the definition
Hi Ingo,
I love your patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.16-rc8 next-20211224]
[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/Ingo-Molnar/headers-deps-dcache-Move-the-____cacheline_aligned-attribute-to-the-head-of-the-definition/20220104-190351
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c9e6606c7fe92b50a02ce51dda82586ebdf99b48
config: arm64-buildonly-randconfig-r004-20220104 (https://download.01.org/0day-ci/archive/20220104/202201042231.vdt1cNrS-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b50fea47b6c454581fce89af359f3afe5154986c)
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 arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/0day-ci/linux/commit/a9357af49d3cae2b1b4b8bbb7f1adf9ed381bf46
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Ingo-Molnar/headers-deps-dcache-Move-the-____cacheline_aligned-attribute-to-the-head-of-the-definition/20220104-190351
git checkout a9357af49d3cae2b1b4b8bbb7f1adf9ed381bf46
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/phy/amlogic/ lib/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All error/warnings (new ones prefixed by >>):
In file included from arch/arm64/kernel/asm-offsets.c:10:
In file included from include/linux/arm_sdei.h:8:
In file included from include/acpi/ghes.h:5:
In file included from include/acpi/apei.h:9:
In file included from include/linux/acpi.h:15:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/arm64/include/asm/elf.h:141:
In file included from include/linux/fs.h:8:
>> include/linux/dcache.h:137:1: warning: attribute '__aligned__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes]
____cacheline_aligned
^
include/linux/cache.h:41:46: note: expanded from macro '____cacheline_aligned'
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
^
1 warning generated.
--
In file included from drivers/phy/amlogic/phy-meson-g12a-usb2.c:16:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/arm64/include/asm/elf.h:141:
In file included from include/linux/fs.h:8:
>> include/linux/dcache.h:137:1: warning: attribute '__aligned__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes]
____cacheline_aligned
^
include/linux/cache.h:41:46: note: expanded from macro '____cacheline_aligned'
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
^
drivers/phy/amlogic/phy-meson-g12a-usb2.c:311:17: warning: cast to smaller integer type 'enum meson_soc_id' from 'const void *' [-Wvoid-pointer-to-enum-cast]
priv->soc_id = (enum meson_soc_id)of_device_get_match_data(&pdev->dev);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 warnings generated.
--
In file included from lib/radix-tree.c:15:
In file included from include/linux/cpu.h:17:
In file included from include/linux/node.h:18:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/arm64/include/asm/elf.h:141:
In file included from include/linux/fs.h:8:
>> include/linux/dcache.h:137:1: warning: attribute '__aligned__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes]
____cacheline_aligned
^
include/linux/cache.h:41:46: note: expanded from macro '____cacheline_aligned'
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
^
lib/radix-tree.c:288:6: warning: no previous prototype for function 'radix_tree_node_rcu_free' [-Wmissing-prototypes]
void radix_tree_node_rcu_free(struct rcu_head *head)
^
lib/radix-tree.c:288:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void radix_tree_node_rcu_free(struct rcu_head *head)
^
static
2 warnings generated.
--
In file included from lib/test_bitops.c:9:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/arm64/include/asm/elf.h:141:
In file included from include/linux/fs.h:8:
>> include/linux/dcache.h:137:1: error: attribute '__aligned__' is ignored, place it after "struct" to apply attribute to type declaration [-Werror,-Wignored-attributes]
____cacheline_aligned
^
include/linux/cache.h:41:46: note: expanded from macro '____cacheline_aligned'
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
^
1 error generated.
--
In file included from lib/test_ida.c:10:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/arm64/include/asm/elf.h:141:
In file included from include/linux/fs.h:8:
>> include/linux/dcache.h:137:1: warning: attribute '__aligned__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes]
____cacheline_aligned
^
include/linux/cache.h:41:46: note: expanded from macro '____cacheline_aligned'
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
^
lib/test_ida.c:16:6: warning: no previous prototype for function 'ida_dump' [-Wmissing-prototypes]
void ida_dump(struct ida *ida) { }
^
lib/test_ida.c:16:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void ida_dump(struct ida *ida) { }
^
static
2 warnings generated.
--
In file included from lib/test_printf.c:10:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/arm64/include/asm/elf.h:141:
In file included from include/linux/fs.h:8:
>> include/linux/dcache.h:137:1: warning: attribute '__aligned__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes]
____cacheline_aligned
^
include/linux/cache.h:41:46: note: expanded from macro '____cacheline_aligned'
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
^
lib/test_printf.c:157:52: warning: format specifies type 'unsigned char' but the argument has type 'int' [-Wformat]
test("0|1|1|128|255", "%hhu|%hhu|%hhu|%hhu|%hhu", 0, 1, 257, 128, -1);
~~~~ ^
%d
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
lib/test_printf.c:157:55: warning: format specifies type 'unsigned char' but the argument has type 'int' [-Wformat]
test("0|1|1|128|255", "%hhu|%hhu|%hhu|%hhu|%hhu", 0, 1, 257, 128, -1);
~~~~ ^
%d
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
lib/test_printf.c:157:58: warning: format specifies type 'unsigned char' but the argument has type 'int' [-Wformat]
test("0|1|1|128|255", "%hhu|%hhu|%hhu|%hhu|%hhu", 0, 1, 257, 128, -1);
~~~~ ^~~
%d
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
lib/test_printf.c:157:63: warning: format specifies type 'unsigned char' but the argument has type 'int' [-Wformat]
test("0|1|1|128|255", "%hhu|%hhu|%hhu|%hhu|%hhu", 0, 1, 257, 128, -1);
~~~~ ^~~
%d
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
lib/test_printf.c:157:68: warning: format specifies type 'unsigned char' but the argument has type 'int' [-Wformat]
test("0|1|1|128|255", "%hhu|%hhu|%hhu|%hhu|%hhu", 0, 1, 257, 128, -1);
~~~~ ^~
%d
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
lib/test_printf.c:158:52: warning: format specifies type 'char' but the argument has type 'int' [-Wformat]
test("0|1|1|-128|-1", "%hhd|%hhd|%hhd|%hhd|%hhd", 0, 1, 257, 128, -1);
~~~~ ^
%d
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
lib/test_printf.c:158:55: warning: format specifies type 'char' but the argument has type 'int' [-Wformat]
test("0|1|1|-128|-1", "%hhd|%hhd|%hhd|%hhd|%hhd", 0, 1, 257, 128, -1);
~~~~ ^
%d
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
lib/test_printf.c:158:58: warning: format specifies type 'char' but the argument has type 'int' [-Wformat]
test("0|1|1|-128|-1", "%hhd|%hhd|%hhd|%hhd|%hhd", 0, 1, 257, 128, -1);
~~~~ ^~~
%d
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
lib/test_printf.c:158:63: warning: format specifies type 'char' but the argument has type 'int' [-Wformat]
test("0|1|1|-128|-1", "%hhd|%hhd|%hhd|%hhd|%hhd", 0, 1, 257, 128, -1);
~~~~ ^~~
%d
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
lib/test_printf.c:158:68: warning: format specifies type 'char' but the argument has type 'int' [-Wformat]
test("0|1|1|-128|-1", "%hhd|%hhd|%hhd|%hhd|%hhd", 0, 1, 257, 128, -1);
~~~~ ^~
%d
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
lib/test_printf.c:159:41: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat]
test("2015122420151225", "%ho%ho%#ho", 1037, 5282, -11627);
~~~ ^~~~
%o
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
lib/test_printf.c:159:47: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat]
test("2015122420151225", "%ho%ho%#ho", 1037, 5282, -11627);
~~~ ^~~~
%o
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
lib/test_printf.c:159:53: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat]
test("2015122420151225", "%ho%ho%#ho", 1037, 5282, -11627);
~~~~ ^~~~~~
%#o
lib/test_printf.c:137:40: note: expanded from macro 'test'
__test(expect, strlen(expect), fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
14 warnings generated.
--
In file included from lib/crc32test.c:28:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/arm64/include/asm/elf.h:141:
In file included from include/linux/fs.h:8:
>> include/linux/dcache.h:137:1: warning: attribute '__aligned__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes]
____cacheline_aligned
^
include/linux/cache.h:41:46: note: expanded from macro '____cacheline_aligned'
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
^
lib/crc32test.c:674:13: warning: variable 'crc' set but not used [-Wunused-but-set-variable]
static u32 crc;
^
lib/crc32test.c:754:13: warning: variable 'crc' set but not used [-Wunused-but-set-variable]
static u32 crc;
^
3 warnings generated.
--
In file included from lib/test_rhashtable.c:17:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/arm64/include/asm/elf.h:141:
In file included from include/linux/fs.h:8:
>> include/linux/dcache.h:137:1: warning: attribute '__aligned__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes]
____cacheline_aligned
^
include/linux/cache.h:41:46: note: expanded from macro '____cacheline_aligned'
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
^
lib/test_rhashtable.c:451:18: warning: variable 'insert_retries' set but not used [-Wunused-but-set-variable]
unsigned int i, insert_retries = 0;
^
2 warnings generated.
--
In file included from lib/devmem_is_allowed.c:11:
In file included from include/linux/mm.h:717:
In file included from include/linux/huge_mm.h:8:
In file included from include/linux/fs.h:8:
>> include/linux/dcache.h:137:1: warning: attribute '__aligned__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes]
____cacheline_aligned
^
include/linux/cache.h:41:46: note: expanded from macro '____cacheline_aligned'
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
^
lib/devmem_is_allowed.c:20:5: warning: no previous prototype for function 'devmem_is_allowed' [-Wmissing-prototypes]
int devmem_is_allowed(unsigned long pfn)
^
lib/devmem_is_allowed.c:20:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int devmem_is_allowed(unsigned long pfn)
^
static
2 warnings generated.
--
In file included from lib/lz4/lz4_decompress.c:39:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/arm64/include/asm/elf.h:141:
In file included from include/linux/fs.h:8:
>> include/linux/dcache.h:137:1: warning: attribute '__aligned__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes]
____cacheline_aligned
^
include/linux/cache.h:41:46: note: expanded from macro '____cacheline_aligned'
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
^
lib/lz4/lz4_decompress.c:506:5: warning: no previous prototype for function 'LZ4_decompress_safe_forceExtDict' [-Wmissing-prototypes]
int LZ4_decompress_safe_forceExtDict(const char *source, char *dest,
^
lib/lz4/lz4_decompress.c:506:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int LZ4_decompress_safe_forceExtDict(const char *source, char *dest,
^
static
2 warnings generated.
--
In file included from arch/arm64/kernel/asm-offsets.c:10:
In file included from include/linux/arm_sdei.h:8:
In file included from include/acpi/ghes.h:5:
In file included from include/acpi/apei.h:9:
In file included from include/linux/acpi.h:15:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/arm64/include/asm/elf.h:141:
In file included from include/linux/fs.h:8:
>> include/linux/dcache.h:137:1: warning: attribute '__aligned__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes]
____cacheline_aligned
^
include/linux/cache.h:41:46: note: expanded from macro '____cacheline_aligned'
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
^
1 warning generated.
arch/arm64/kernel/vdso/vgettimeofday.c:9:5: warning: no previous prototype for function '__kernel_clock_gettime' [-Wmissing-prototypes]
int __kernel_clock_gettime(clockid_t clock,
^
arch/arm64/kernel/vdso/vgettimeofday.c:9:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int __kernel_clock_gettime(clockid_t clock,
^
static
arch/arm64/kernel/vdso/vgettimeofday.c:15:5: warning: no previous prototype for function '__kernel_gettimeofday' [-Wmissing-prototypes]
int __kernel_gettimeofday(struct __kernel_old_timeval *tv,
^
arch/arm64/kernel/vdso/vgettimeofday.c:15:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int __kernel_gettimeofday(struct __kernel_old_timeval *tv,
^
static
arch/arm64/kernel/vdso/vgettimeofday.c:21:5: warning: no previous prototype for function '__kernel_clock_getres' [-Wmissing-prototypes]
int __kernel_clock_getres(clockid_t clock_id,
^
arch/arm64/kernel/vdso/vgettimeofday.c:21:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int __kernel_clock_getres(clockid_t clock_id,
^
static
3 warnings generated.
vim +137 include/linux/dcache.h
136
> 137 ____cacheline_aligned
138 struct dentry_operations {
139 int (*d_revalidate)(struct dentry *, unsigned int);
140 int (*d_weak_revalidate)(struct dentry *, unsigned int);
141 int (*d_hash)(const struct dentry *, struct qstr *);
142 int (*d_compare)(const struct dentry *,
143 unsigned int, const char *, const struct qstr *);
144 int (*d_delete)(const struct dentry *);
145 int (*d_init)(struct dentry *);
146 void (*d_release)(struct dentry *);
147 void (*d_prune)(struct dentry *);
148 void (*d_iput)(struct dentry *, struct inode *);
149 char *(*d_dname)(struct dentry *, char *, int);
150 struct vfsmount *(*d_automount)(struct path *);
151 int (*d_manage)(const struct path *, bool);
152 struct dentry *(*d_real)(struct dentry *, const struct inode *);
153 };
154
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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