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Message-ID: <202011041143.cTyvxJPt-lkp@intel.com>
Date: Wed, 4 Nov 2020 11:43:47 +0800
From: kernel test robot <lkp@...el.com>
To: Will Deacon <will@...nel.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: include/linux/compiler_types.h:338:38: error: call to
'__compiletime_assert_571' declared with attribute error: must increase
SMC_WR_BUF_SIZE to at least sizeof(struct smc_llc_msg)
Hi Will,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4ef8451b332662d004df269d4cdeb7d9f31419b5
commit: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h
date: 4 months ago
config: arm-randconfig-r015-20201103 (attached as .config)
compiler: arm-linux-gnueabi-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/torvalds/linux.git/commit/?id=eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from <command-line>:
net/smc/smc_llc.c: In function 'smc_llc_add_pending_send':
>> include/linux/compiler_types.h:338:38: error: call to '__compiletime_assert_571' declared with attribute error: must increase SMC_WR_BUF_SIZE to at least sizeof(struct smc_llc_msg)
338 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:319:4: note: in definition of macro '__compiletime_assert'
319 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:338:2: note: in expansion of macro '_compiletime_assert'
338 | _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)
| ^~~~~~~~~~~~~~~~~~
net/smc/smc_llc.c:348:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
348 | BUILD_BUG_ON_MSG(
| ^~~~~~~~~~~~~~~~
include/linux/compiler_types.h:338:38: error: call to '__compiletime_assert_572' declared with attribute error: must adapt SMC_WR_TX_SIZE to sizeof(struct smc_llc_msg); if not all smc_wr upper layer protocols use the same message size any more, must start to set link->wr_tx_sges[i].length on each individual smc_wr_tx_send()
338 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:319:4: note: in definition of macro '__compiletime_assert'
319 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:338:2: note: in expansion of macro '_compiletime_assert'
338 | _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)
| ^~~~~~~~~~~~~~~~~~
net/smc/smc_llc.c:351:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
351 | BUILD_BUG_ON_MSG(
| ^~~~~~~~~~~~~~~~
In file included from include/linux/bitmap.h:9,
from include/linux/nodemask.h:95,
from include/linux/mmzone.h:17,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from include/linux/bvec.h:13,
from include/linux/skbuff.h:17,
from include/linux/tcp.h:17,
from include/net/tcp.h:20,
from net/smc/smc_llc.c:13:
In function 'memcpy',
inlined from 'smc_llc_send_message_wait' at net/smc/smc_llc.c:577:2,
inlined from 'smc_llc_send_link_delete_all' at net/smc/smc_llc.c:1263:8:
include/linux/string.h:402:4: error: call to '__read_overflow2' declared with attribute error: detected read beyond size of object passed as 2nd parameter
402 | __read_overflow2();
| ^~~~~~~~~~~~~~~~~~
vim +/__compiletime_assert_571 +338 include/linux/compiler_types.h
324
325 #define _compiletime_assert(condition, msg, prefix, suffix) \
326 __compiletime_assert(condition, msg, prefix, suffix)
327
328 /**
329 * compiletime_assert - break build and emit msg if condition is false
330 * @condition: a compile-time constant condition to check
331 * @msg: a message to emit if condition is false
332 *
333 * In tradition of POSIX assert, this macro will break the build if the
334 * supplied condition is *false*, emitting the supplied error message if the
335 * compiler has support to do so.
336 */
337 #define compiletime_assert(condition, msg) \
> 338 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
339
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
Download attachment ".config.gz" of type "application/gzip" (30618 bytes)
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