[kas:kvm-unmapped-memfd-secret 5/12] arch/x86/kernel/kvm.c:761:22: error: 'KVM_HC_ENABLE_MEM_PROTECTED' undeclared; did you mean

[kas:kvm-unmapped-memfd-secret 5/12] arch/x86/kernel/kvm.c:761:22: error: 'KVM_HC_ENABLE_MEM_PROTECTED' undeclared; did you mean

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git kvm-unmapped-memfd-secret
head:   35cd9bac55b24aa06d68edf986f14cd67932470f
commit: 6472b2fc1d3a9d542d75ae3fb8f1f8bfd2b8ba29 [5/12] x86/kvm: Make DMA pages shared
config: x86_64-randconfig-a006-20210226 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git/commit/?id=6472b2fc1d3a9d542d75ae3fb8f1f8bfd2b8ba29
        git remote add kas https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git
        git fetch --no-tags kas kvm-unmapped-memfd-secret
        git checkout 6472b2fc1d3a9d542d75ae3fb8f1f8bfd2b8ba29
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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

Note: the kas/kvm-unmapped-memfd-secret HEAD 35cd9bac55b24aa06d68edf986f14cd67932470f builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   arch/x86/kernel/kvm.c: In function 'kvm_init_platform':
>> arch/x86/kernel/kvm.c:761:22: error: 'KVM_HC_ENABLE_MEM_PROTECTED' undeclared (first use in this function); did you mean 'KVM_FEATURE_MEM_PROTECTED'?
     761 |   if (kvm_hypercall0(KVM_HC_ENABLE_MEM_PROTECTED)) {
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                      KVM_FEATURE_MEM_PROTECTED
   arch/x86/kernel/kvm.c:761:22: note: each undeclared identifier is reported only once for each function it appears in

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for NETFS_SUPPORT
   Depends on NETWORK_FILESYSTEMS
   Selected by
   - FSCACHE


vim +761 arch/x86/kernel/kvm.c

2e008ffe426f92 David Woodhouse    2020-10-24  754  
d63bae079b6426 Wanpeng Li         2018-07-23  755  static void __init kvm_init_platform(void)
d63bae079b6426 Wanpeng Li         2018-07-23  756  {
e61cf2e3a5b452 Linus Torvalds     2018-08-19  757  	kvmclock_init();
d63bae079b6426 Wanpeng Li         2018-07-23  758  	x86_platform.apic_post_init = kvm_apic_init;
0e485b924683ff Kirill A. Shutemov 2020-04-20  759  
0e485b924683ff Kirill A. Shutemov 2020-04-20  760  	if (kvm_para_has_feature(KVM_FEATURE_MEM_PROTECTED)) {
0e485b924683ff Kirill A. Shutemov 2020-04-20 @761  		if (kvm_hypercall0(KVM_HC_ENABLE_MEM_PROTECTED)) {
0e485b924683ff Kirill A. Shutemov 2020-04-20  762  			pr_err("Failed to enable KVM memory protection\n");
0e485b924683ff Kirill A. Shutemov 2020-04-20  763  			return;
0e485b924683ff Kirill A. Shutemov 2020-04-20  764  		}
0e485b924683ff Kirill A. Shutemov 2020-04-20  765  
0e485b924683ff Kirill A. Shutemov 2020-04-20  766  		pr_info("KVM memory protection enabled\n");
0e485b924683ff Kirill A. Shutemov 2020-04-20  767  		mem_protected = true;
0e485b924683ff Kirill A. Shutemov 2020-04-20  768  		setup_force_cpu_cap(X86_FEATURE_KVM_MEM_PROTECTED);
0e485b924683ff Kirill A. Shutemov 2020-04-20  769  	}
d63bae079b6426 Wanpeng Li         2018-07-23  770  }
d63bae079b6426 Wanpeng Li         2018-07-23  771  

:::::: The code at line 761 was first introduced by commit
:::::: 0e485b924683ff50b4bc003074f68c6a635e891c x86/kvm: Introduce KVM memory protection feature

:::::: TO: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
:::::: CC: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

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

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