[arm-platforms:kvm/protected-memory 4/16] arch/x86/mm/mem_encrypt_common.c:41:13: warning: no previous prototype for 'mem_encrypt_init'

kernel test robot lkp at intel.com
Wed Sep 16 00:22:00 EDT 2020


tree:   https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm/protected-memory
head:   d9455e6eabef4b9be5f33c418a8046e0389edade
commit: 5a774560c2b22a5e2ce3f0b0089c07312204e0c5 [4/16] x86/kvm: Use bounce buffers for KVM memory protection
config: x86_64-randconfig-s021-20200916 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.2-201-g24bdaac6-dirty
        git checkout 5a774560c2b22a5e2ce3f0b0089c07312204e0c5
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

   arch/x86/mm/mem_encrypt_common.c:16:6: warning: no previous prototype for 'force_dma_unencrypted' [-Wmissing-prototypes]
      16 | bool force_dma_unencrypted(struct device *dev)
         |      ^~~~~~~~~~~~~~~~~~~~~
>> arch/x86/mm/mem_encrypt_common.c:41:13: warning: no previous prototype for 'mem_encrypt_init' [-Wmissing-prototypes]
      41 | void __init mem_encrypt_init(void)
         |             ^~~~~~~~~~~~~~~~

# https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/commit/?id=5a774560c2b22a5e2ce3f0b0089c07312204e0c5
git remote add arm-platforms https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
git fetch --no-tags arm-platforms kvm/protected-memory
git checkout 5a774560c2b22a5e2ce3f0b0089c07312204e0c5
vim +/mem_encrypt_init +41 arch/x86/mm/mem_encrypt_common.c

    40	
  > 41	void __init mem_encrypt_init(void)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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