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Message-ID: <20180717010435.GH10593@intel.com>
Date: Tue, 17 Jul 2018 09:04:35 +0800
From: kbuild test robot <lkp@...el.com>
To: Li RongQing <lirongqing@...du.com>
Cc: kbuild-all@...org, netdev@...r.kernel.org, edumazet@...gle.com,
sbrivio@...hat.com
Subject: Re: [PATCH][net-next][v2] net: convert gro_count to bitmask
Hi Li,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on net-next/master]
[also build test ERROR on next-20180713]
[cannot apply to v4.18-rc5]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Li-RongQing/net-convert-gro_count-to-bitmask/20180715-233722
config: i386-randconfig-s1-201828 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
:::::: branch date: 15 hours ago
:::::: commit date: 15 hours ago
All errors (new ones prefixed by >>):
In file included from arch/x86/include/asm/current.h:5:0,
from include/linux/sched.h:12,
from include/linux/uaccess.h:5,
from net/core/dev.c:75:
net/core/dev.c: In function 'netdev_init':
>> include/linux/compiler.h:339:38: error: call to '__compiletime_assert_9285' declared with attribute error: BUILD_BUG_ON failed: GRO_HASH_BUCKETS > FIELD_SIZEOF(struct napi_struct, gro_bitmask)
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:69:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
net/core/dev.c:9284:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(GRO_HASH_BUCKETS >
^~~~~~~~~~~~
--
In file included from arch/x86/include/asm/current.h:5:0,
from include/linux/sched.h:12,
from include/linux/uaccess.h:5,
from net//core/dev.c:75:
net//core/dev.c: In function 'netdev_init':
>> include/linux/compiler.h:339:38: error: call to '__compiletime_assert_9285' declared with attribute error: BUILD_BUG_ON failed: GRO_HASH_BUCKETS > FIELD_SIZEOF(struct napi_struct, gro_bitmask)
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:69:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
net//core/dev.c:9284:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(GRO_HASH_BUCKETS >
^~~~~~~~~~~~
# https://github.com/0day-ci/linux/commit/b4ba3db381100e1869270a58dd2d9950ef0923de
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout b4ba3db381100e1869270a58dd2d9950ef0923de
vim +/__compiletime_assert_9285 +339 include/linux/compiler.h
9a8ab1c3 Daniel Santos 2013-02-21 325
9a8ab1c3 Daniel Santos 2013-02-21 326 #define _compiletime_assert(condition, msg, prefix, suffix) \
9a8ab1c3 Daniel Santos 2013-02-21 327 __compiletime_assert(condition, msg, prefix, suffix)
9a8ab1c3 Daniel Santos 2013-02-21 328
9a8ab1c3 Daniel Santos 2013-02-21 329 /**
9a8ab1c3 Daniel Santos 2013-02-21 330 * compiletime_assert - break build and emit msg if condition is false
9a8ab1c3 Daniel Santos 2013-02-21 331 * @condition: a compile-time constant condition to check
9a8ab1c3 Daniel Santos 2013-02-21 332 * @msg: a message to emit if condition is false
9a8ab1c3 Daniel Santos 2013-02-21 333 *
9a8ab1c3 Daniel Santos 2013-02-21 334 * In tradition of POSIX assert, this macro will break the build if the
9a8ab1c3 Daniel Santos 2013-02-21 335 * supplied condition is *false*, emitting the supplied error message if the
9a8ab1c3 Daniel Santos 2013-02-21 336 * compiler has support to do so.
9a8ab1c3 Daniel Santos 2013-02-21 337 */
9a8ab1c3 Daniel Santos 2013-02-21 338 #define compiletime_assert(condition, msg) \
9a8ab1c3 Daniel Santos 2013-02-21 @339 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
9a8ab1c3 Daniel Santos 2013-02-21 340
:::::: The code at line 339 was first introduced by commit
:::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG
:::::: TO: Daniel Santos <daniel.santos@...ox.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
---
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