From: kernel test robot <lkp@intel.com>
To: Vegard Nossum <vegard.nossum@oracle.com>
Cc: kbuild-all@lists.01.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Daniel Santos <daniel.santos@pobox.com>,
Sasha Levin <sashal@kernel.org>
Subject: [linux-stable-rc:linux-5.4.y 4610/5583] include/linux/compiler.h:350:38: error: call to '__compiletime_assert_258' declared with attribute error: FIELD_GET: mask is not constant
Date: Mon, 12 Apr 2021 01:52:40 +0800 [thread overview]
Message-ID: <202104120136.NQaCN80T-lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
head: 12a5ce113626ce8208aef76d4d2e9fc93ea48ddf
commit: 3910babeac1ab031f4e178042cbd1af9a9a0ec51 [4610/5583] compiler.h: fix error in BUILD_BUG_ON() reporting
config: parisc-randconfig-r012-20210411 (attached as .config)
compiler: hppa-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://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=3910babeac1ab031f4e178042cbd1af9a9a0ec51
git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git fetch --no-tags linux-stable-rc linux-5.4.y
git checkout 3910babeac1ab031f4e178042cbd1af9a9a0ec51
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from include/linux/mm.h:99,
from include/linux/bvec.h:13,
from include/linux/skbuff.h:17,
from include/linux/if_ether.h:19,
from include/linux/etherdevice.h:20,
from drivers/net/wireless/mediatek/mt76/mt7615/mac.c:10:
include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full':
arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable]
91 | pte_t old_pte; \
| ^~~~~~~
arch/parisc/include/asm/pgtable.h:316:34: note: in expansion of macro 'set_pte_at'
316 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0))
| ^~~~~~~~~~
include/asm-generic/pgtable.h:201:2: note: in expansion of macro 'pte_clear'
201 | pte_clear(mm, address, ptep);
| ^~~~~~~~~
include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit':
arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable]
91 | pte_t old_pte; \
| ^~~~~~~
include/asm-generic/pgtable.h:629:2: note: in expansion of macro 'set_pte_at'
629 | set_pte_at(vma->vm_mm, addr, ptep, pte);
| ^~~~~~~~~~
In file included from include/linux/kernel.h:11,
from include/linux/skbuff.h:13,
from include/linux/if_ether.h:19,
from include/linux/etherdevice.h:20,
from drivers/net/wireless/mediatek/mt76/mt7615/mac.c:10:
drivers/net/wireless/mediatek/mt76/mt7615/mac.c: In function 'to_rssi':
>> include/linux/compiler.h:350:38: error: call to '__compiletime_assert_258' declared with attribute error: FIELD_GET: mask is not constant
350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler.h:331:4: note: in definition of macro '__compiletime_assert'
331 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert'
350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:46:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
46 | BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask), \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:95:3: note: in expansion of macro '__BF_FIELD_CHECK'
95 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/wireless/mediatek/mt76/mt7615/mac.c:18:10: note: in expansion of macro 'FIELD_GET'
18 | return (FIELD_GET(field, rxv) - 220) / 2;
| ^~~~~~~~~
include/linux/compiler.h:350:38: error: call to '__compiletime_assert_262' declared with attribute error: BUILD_BUG_ON failed: (((field) + (1ULL << (__builtin_ffsll(field) - 1))) & (((field) + (1ULL << (__builtin_ffsll(field) - 1))) - 1)) != 0
350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler.h:331:4: note: in definition of macro '__compiletime_assert'
331 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert'
350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
include/linux/build_bug.h:21:2: note: in expansion of macro 'BUILD_BUG_ON'
21 | BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
| ^~~~~~~~~~~~
include/linux/bitfield.h:54:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
54 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:95:3: note: in expansion of macro '__BF_FIELD_CHECK'
95 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \
| ^~~~~~~~~~~~~~~~
drivers/net/wireless/mediatek/mt76/mt7615/mac.c:18:10: note: in expansion of macro 'FIELD_GET'
18 | return (FIELD_GET(field, rxv) - 220) / 2;
| ^~~~~~~~~
vim +/__compiletime_assert_258 +350 include/linux/compiler.h
336
337 #define _compiletime_assert(condition, msg, prefix, suffix) \
338 __compiletime_assert(condition, msg, prefix, suffix)
339
340 /**
341 * compiletime_assert - break build and emit msg if condition is false
342 * @condition: a compile-time constant condition to check
343 * @msg: a message to emit if condition is false
344 *
345 * In tradition of POSIX assert, this macro will break the build if the
346 * supplied condition is *false*, emitting the supplied error message if the
347 * compiler has support to do so.
348 */
349 #define compiletime_assert(condition, msg) \
> 350 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
351
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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