linux-kernel - Re: [PATCH v43 01/15] Linux Random Number Generator

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Message-ID: <202111221831.lPHo6KJJ-lkp@intel.com>
Date:   Mon, 22 Nov 2021 18:33:26 +0800
From:   kernel test robot <lkp@...el.com>
To:     Stephan Müller <smueller@...onox.de>,
        Tso Ted <tytso@....edu>, linux-crypto@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, Willy Tarreau <w@....eu>,
        Nicolai Stange <nstange@...e.de>,
        LKML <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        "Alexander E. Patrakov" <patrakov@...il.com>,
        "Ahmed S. Darwish" <darwish.07@...il.com>
Subject: Re: [PATCH v43 01/15] Linux Random Number Generator

Hi "Stephan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on herbert-cryptodev-2.6/master herbert-crypto-2.6/master v5.16-rc2 next-20211118]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Stephan-M-ller/dev-random-a-new-approach/20211122-005114
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git f4d77525679e289d4976ca03b620ac4cc5403205
config: mips-allmodconfig (attached as .config)
compiler: mips-linux-gcc (GCC) 11.2.0
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://github.com/0day-ci/linux/commit/dccd6203b45303ba2985de5a22238809655b48c4
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Stephan-M-ller/dev-random-a-new-approach/20211122-005114
        git checkout dccd6203b45303ba2985de5a22238809655b48c4
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash drivers/char/

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 >>):

>> drivers/char/lrng/lrng_chacha20.c:32:8: error: structure variable 'chacha20' with 'latent_entropy' attribute has a non-integer field 'block'
      32 | struct chacha20_state chacha20 __latent_entropy;
         |        ^~~~~~~~~~~~~~


vim +32 drivers/char/lrng/lrng_chacha20.c

    26	
    27	/*
    28	 * Have a static memory blocks for the ChaCha20 DRNG instance to avoid calling
    29	 * kmalloc too early in the boot cycle. For subsequent allocation requests,
    30	 * such as per-NUMA-node DRNG instances, kmalloc will be used.
    31	 */
  > 32	struct chacha20_state chacha20 __latent_entropy;
    33	

---
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" (72443 bytes)