From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: kernel test robot <lkp@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
kbuild-all@lists.01.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Linux Media Mailing List <linux-media@vger.kernel.org>,
Sakari Ailus <sakari.ailus@linux.intel.com>
Subject: Re: drivers/media/pci/intel/ipu3/ipu3-cio2.c:163:63: sparse: sparse: cast truncates bits from constant value (20000 becomes 0)
Date: Tue, 12 Jan 2021 16:03:17 +0200 [thread overview]
Message-ID: <CAHp75VdWzdjOuhamFSd5XUwnmuWF5gm=iQSXkDaWDFBtGNc-sQ@mail.gmail.com> (raw)
In-Reply-To: <202101122015.Umynt19J-lkp@intel.com>
On Tue, Jan 12, 2021 at 3:07 PM kernel test robot <lkp@intel.com> wrote:
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: a0d54b4f5b219fb31f0776e9f53aa137e78ae431
> commit: 7b285f41f7376dc37e7fad1e803995fd39f42848 media: ipu3-cio2: Introduce CIO2_LOP_ENTRIES constant
> date: 4 months ago
> config: ia64-randconfig-s031-20210112 (attached as .config)
> compiler: ia64-linux-gcc (GCC) 9.3.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # apt-get install sparse
> # sparse version: v0.6.3-208-g46a52ca4-dirty
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7b285f41f7376dc37e7fad1e803995fd39f42848
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout 7b285f41f7376dc37e7fad1e803995fd39f42848
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=ia64
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
>
> "sparse warnings: (new ones prefixed by >>)"
> >> drivers/media/pci/intel/ipu3/ipu3-cio2.c:163:63: sparse: sparse: cast truncates bits from constant value (20000 becomes 0)
Patch should be somewhere on its way to upstream.
--
With Best Regards,
Andy Shevchenko
prev parent reply other threads:[~2021-01-12 14:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-12 12:44 drivers/media/pci/intel/ipu3/ipu3-cio2.c:163:63: sparse: sparse: cast truncates bits from constant value (20000 becomes 0) kernel test robot
2021-01-12 14:03 ` Andy Shevchenko [this message]
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