* [arm-platforms:kvm/protected-memory 4/16] arch/x86/mm/mem_encrypt_common.c:41:13: warning: no previous prototype for function 'mem_encrypt_init'
@ 2020-09-16 7:16 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2020-09-16 7:16 UTC (permalink / raw)
To: Kirill A. Shutemov
Cc: clang-built-linux, kbuild-all, linux-arm-kernel, Marc Zyngier
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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-a014-20200916 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 9e3842d60351f986d77dfe0a94f76e4fd895f188)
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
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git checkout 5a774560c2b22a5e2ce3f0b0089c07312204e0c5
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
arch/x86/mm/mem_encrypt_common.c:16:6: warning: no previous prototype for function 'force_dma_unencrypted' [-Wmissing-prototypes]
bool force_dma_unencrypted(struct device *dev)
^
arch/x86/mm/mem_encrypt_common.c:16:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
bool force_dma_unencrypted(struct device *dev)
^
static
>> arch/x86/mm/mem_encrypt_common.c:41:13: warning: no previous prototype for function 'mem_encrypt_init' [-Wmissing-prototypes]
void __init mem_encrypt_init(void)
^
arch/x86/mm/mem_encrypt_common.c:41:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __init mem_encrypt_init(void)
^
static
2 warnings generated.
# 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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