netdev - Re: [PATCH] ptp: kvm: Use decrypted memory in confidential guest on x86

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Date:   Tue, 21 Feb 2023 11:58:07 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jeremi Piotrowski <jpiotrowski@...ux.microsoft.com>,
        linux-kernel@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev,
        Jeremi Piotrowski <jpiotrowski@...ux.microsoft.com>,
        netdev@...r.kernel.org, Richard Cochran <richardcochran@...il.com>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH] ptp: kvm: Use decrypted memory in confidential guest on
 x86

Hi Jeremi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on horms-ipvs/master]
[also build test WARNING on mst-vhost/linux-next net/master net-next/master linus/master v6.2]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jeremi-Piotrowski/ptp-kvm-Use-decrypted-memory-in-confidential-guest-on-x86/20230220-210441
base:   https://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs.git master
patch link:    https://lore.kernel.org/r/20230220130235.2603366-1-jpiotrowski%40linux.microsoft.com
patch subject: [PATCH] ptp: kvm: Use decrypted memory in confidential guest on x86
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20230221/202302211153.uvDZ9eZu-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/0dd1701fd254692af3d0ca051e092e8dcef190c4
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jeremi-Piotrowski/ptp-kvm-Use-decrypted-memory-in-confidential-guest-on-x86/20230220-210441
        git checkout 0dd1701fd254692af3d0ca051e092e8dcef190c4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/ptp/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302211153.uvDZ9eZu-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/ptp/ptp_kvm_arm.c:25:6: warning: no previous prototype for 'kvm_arch_ptp_exit' [-Wmissing-prototypes]
      25 | void kvm_arch_ptp_exit(void)
         |      ^~~~~~~~~~~~~~~~~


vim +/kvm_arch_ptp_exit +25 drivers/ptp/ptp_kvm_arm.c

    24	
  > 25	void kvm_arch_ptp_exit(void)
    26	{
    27	}
    28	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests