From: kernel test robot <lkp@intel.com>
To: "Zaibo, Xu," <xuzaibo@huawei.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Herbert Xu <herbert@gondor.apana.org.au>,
Longfang Liu <liulongfang@huawei.com>
Subject: arch/ia64/include/asm/page.h:42:20: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '4294967296' to '0'
Date: Wed, 3 Jun 2020 19:04:00 +0800 [thread overview]
Message-ID: <202006031949.qgp4SdGk%lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d6f9469a03d832dcd17041ed67774ffb5f3e73b3
commit: 416d82204df44ef727de6eafafeaa4d12fdc78dc crypto: hisilicon - add HiSilicon SEC V2 driver
date: 6 months ago
config: ia64-randconfig-r026-20200603 (attached as .config)
compiler: ia64-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
git checkout 416d82204df44ef727de6eafafeaa4d12fdc78dc
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>, old ones prefixed by <<):
In file included from arch/ia64/include/asm/ptrace.h:46,
from arch/ia64/include/asm/processor.h:20,
from include/linux/mutex.h:19,
from include/linux/kernfs.h:12,
from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/device.h:16,
from include/linux/dma-mapping.h:7,
from drivers/crypto/hisilicon/sgl.c:3:
drivers/crypto/hisilicon/sgl.c: In function 'hisi_acc_create_sgl_pool':
>> arch/ia64/include/asm/page.h:42:20: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '4294967296' to '0' [-Woverflow]
42 | #define PAGE_SIZE (__IA64_UL_CONST(1) << PAGE_SHIFT)
| ^
>> drivers/crypto/hisilicon/sgl.c:69:15: note: in expansion of macro 'PAGE_SIZE'
69 | block_size = PAGE_SIZE * (1 << (MAX_ORDER - 1));
| ^~~~~~~~~
vim +42 arch/ia64/include/asm/page.h
^1da177e4c3f415 include/asm-ia64/page.h Linus Torvalds 2005-04-16 41
^1da177e4c3f415 include/asm-ia64/page.h Linus Torvalds 2005-04-16 @42 #define PAGE_SIZE (__IA64_UL_CONST(1) << PAGE_SHIFT)
^1da177e4c3f415 include/asm-ia64/page.h Linus Torvalds 2005-04-16 43 #define PAGE_MASK (~(PAGE_SIZE - 1))
^1da177e4c3f415 include/asm-ia64/page.h Linus Torvalds 2005-04-16 44
:::::: The code at line 42 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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reply other threads:[~2020-06-03 11:05 UTC|newest]
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