linux-kernel - 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'

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Message-ID: <202006031949.qgp4SdGk%lkp@intel.com>
Date:   Wed, 3 Jun 2020 19:04:00 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Zaibo, Xu," <xuzaibo@...wei.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Longfang Liu <liulongfang@...wei.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'

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@...el.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@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.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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