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Message-ID: <202302171930.LX5uf1pv-lkp@intel.com>
Date: Fri, 17 Feb 2023 19:51:02 +0800
From: kernel test robot <lkp@...el.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: include/linux/build_bug.h:78:41: error: static assertion failed:
"sizeof(struct gve_tx_context_cmd_dtype) == 2"
Hi Arnd,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ec35307e18ba8174e2a3f701956059f6a36f22fb
commit: 5d6f52671e76ca2d55d74e676ac4c38ceb14a2d3 ARM: rework endianess selection
date: 11 months ago
config: arm-randconfig-c043-20230217 (https://download.01.org/0day-ci/archive/20230217/202302171930.LX5uf1pv-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5d6f52671e76ca2d55d74e676ac4c38ceb14a2d3
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 5d6f52671e76ca2d55d74e676ac4c38ceb14a2d3
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/net/ethernet/google/gve/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302171930.LX5uf1pv-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/linux/container_of.h:5,
from include/linux/kernel.h:21,
from include/linux/cpumask.h:10,
from drivers/net/ethernet/google/gve/gve_main.c:7:
>> include/linux/build_bug.h:78:41: error: static assertion failed: "sizeof(struct gve_tx_context_cmd_dtype) == 2"
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert'
77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
| ^~~~~~~~~~~~~~~
drivers/net/ethernet/google/gve/gve_desc_dqo.h:68:1: note: in expansion of macro 'static_assert'
68 | static_assert(sizeof(struct gve_tx_context_cmd_dtype) == 2);
| ^~~~~~~~~~~~~
>> include/linux/build_bug.h:78:41: error: static assertion failed: "sizeof(struct gve_tx_tso_context_desc_dqo) == 16"
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert'
77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
| ^~~~~~~~~~~~~~~
drivers/net/ethernet/google/gve/gve_desc_dqo.h:93:1: note: in expansion of macro 'static_assert'
93 | static_assert(sizeof(struct gve_tx_tso_context_desc_dqo) == 16);
| ^~~~~~~~~~~~~
>> include/linux/build_bug.h:78:41: error: static assertion failed: "sizeof(struct gve_tx_general_context_desc_dqo) == 16"
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert'
77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
| ^~~~~~~~~~~~~~~
drivers/net/ethernet/google/gve/gve_desc_dqo.h:114:1: note: in expansion of macro 'static_assert'
114 | static_assert(sizeof(struct gve_tx_general_context_desc_dqo) == 16);
| ^~~~~~~~~~~~~
>> include/linux/build_bug.h:78:41: error: static assertion failed: "sizeof(struct gve_tx_compl_desc) == 8"
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert'
77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
| ^~~~~~~~~~~~~~~
drivers/net/ethernet/google/gve/gve_desc_dqo.h:172:1: note: in expansion of macro 'static_assert'
172 | static_assert(sizeof(struct gve_tx_compl_desc) == 8);
| ^~~~~~~~~~~~~
>> include/linux/build_bug.h:78:41: error: static assertion failed: "sizeof(struct gve_rx_compl_desc_dqo) == 32"
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~~~~~~~~~~~
include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert'
77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
| ^~~~~~~~~~~~~~~
drivers/net/ethernet/google/gve/gve_desc_dqo.h:248:1: note: in expansion of macro 'static_assert'
248 | static_assert(sizeof(struct gve_rx_compl_desc_dqo) == 32);
| ^~~~~~~~~~~~~
vim +78 include/linux/build_bug.h
bc6245e5efd70c Ian Abbott 2017-07-10 60
6bab69c65013be Rasmus Villemoes 2019-03-07 61 /**
6bab69c65013be Rasmus Villemoes 2019-03-07 62 * static_assert - check integer constant expression at build time
6bab69c65013be Rasmus Villemoes 2019-03-07 63 *
6bab69c65013be Rasmus Villemoes 2019-03-07 64 * static_assert() is a wrapper for the C11 _Static_assert, with a
6bab69c65013be Rasmus Villemoes 2019-03-07 65 * little macro magic to make the message optional (defaulting to the
6bab69c65013be Rasmus Villemoes 2019-03-07 66 * stringification of the tested expression).
6bab69c65013be Rasmus Villemoes 2019-03-07 67 *
6bab69c65013be Rasmus Villemoes 2019-03-07 68 * Contrary to BUILD_BUG_ON(), static_assert() can be used at global
6bab69c65013be Rasmus Villemoes 2019-03-07 69 * scope, but requires the expression to be an integer constant
6bab69c65013be Rasmus Villemoes 2019-03-07 70 * expression (i.e., it is not enough that __builtin_constant_p() is
6bab69c65013be Rasmus Villemoes 2019-03-07 71 * true for expr).
6bab69c65013be Rasmus Villemoes 2019-03-07 72 *
6bab69c65013be Rasmus Villemoes 2019-03-07 73 * Also note that BUILD_BUG_ON() fails the build if the condition is
6bab69c65013be Rasmus Villemoes 2019-03-07 74 * true, while static_assert() fails the build if the expression is
6bab69c65013be Rasmus Villemoes 2019-03-07 75 * false.
6bab69c65013be Rasmus Villemoes 2019-03-07 76 */
6bab69c65013be Rasmus Villemoes 2019-03-07 77 #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
6bab69c65013be Rasmus Villemoes 2019-03-07 @78 #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
6bab69c65013be Rasmus Villemoes 2019-03-07 79
:::::: The code at line 78 was first introduced by commit
:::::: 6bab69c65013bed5fce9f101a64a84d0385b3946 build_bug.h: add wrapper for _Static_assert
:::::: TO: Rasmus Villemoes <linux@...musvillemoes.dk>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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