From: kernel test robot <lkp@intel.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: arch/m68k/sun3/sun3ints.c:33:13: sparse: sparse: cast truncates bits from constant value (ffffff7f becomes 7f)
Date: Mon, 18 Dec 2023 16:42:16 +0800 [thread overview]
Message-ID: <202312181649.u6k6hLIm-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ceb6a6f023fd3e8b07761ed900352ef574010bcb
commit: 72e70a0e7ac7c422843eb8bbf192e820e9ccd24d m68k: sun3: Change led_pattern[] to unsigned char
date: 2 months ago
config: m68k-randconfig-r133-20231117 (https://download.01.org/0day-ci/archive/20231218/202312181649.u6k6hLIm-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231218/202312181649.u6k6hLIm-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312181649.u6k6hLIm-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
arch/m68k/sun3/sun3ints.c: note: in included file (through include/linux/mmzone.h, include/linux/topology.h, include/linux/irq.h, ...):
include/linux/page-flags.h:242:46: sparse: sparse: self-comparison always evaluates to false
>> arch/m68k/sun3/sun3ints.c:33:13: sparse: sparse: cast truncates bits from constant value (ffffff7f becomes 7f)
vim +33 arch/m68k/sun3/sun3ints.c
31
32 static unsigned char led_pattern[8] = {
> 33 (u8)~(0x80), (u8)~(0x01),
34 (u8)~(0x40), (u8)~(0x02),
35 (u8)~(0x20), (u8)~(0x04),
36 (u8)~(0x10), (u8)~(0x08)
37 };
38
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2023-12-18 8:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-18 8:42 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-12-16 21:16 arch/m68k/sun3/sun3ints.c:33:13: sparse: sparse: cast truncates bits from constant value (ffffff7f becomes 7f) kernel test robot
2023-12-07 18:53 kernel test robot
2023-12-04 15:18 kernel test robot
2023-11-17 18:53 kernel test robot
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