Re: [PATCH] KVM: SEV: Enforce minimum GHCB version requirement for SEV-SNP guests

[Nikunj A Dadhania <nikunj@amd.com>]

kernel test robot <lkp@intel.com> writes:

> Hi Nikunj,
>
> kernel test robot noticed the following build errors:
>
> [auto build test ERROR on kvm/queue]
> [also build test ERROR on kvm/next linus/master v6.16-rc5 next-20250711]
> [cannot apply to kvm/linux-next]
> [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/Nikunj-A-Dadhania/KVM-SEV-Enforce-minimum-GHCB-version-requirement-for-SEV-SNP-guests/20250711-125527
> base:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
> patch link:    https://lore.kernel.org/r/20250711045408.95129-1-nikunj%40amd.com
> patch subject: [PATCH] KVM: SEV: Enforce minimum GHCB version requirement for SEV-SNP guests
> config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20250712/202507120551.iDEiTBBN-lkp@intel.com/config)
> compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
> rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250712/202507120551.iDEiTBBN-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202507120551.iDEiTBBN-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
>>> arch/x86/kvm/svm/sev.c:426:6: error: use of undeclared identifier 'snp_active'
>      426 |         if (snp_active && data->ghcb_version && data->ghcb_version < 2)
>          |             ^
>    1 error generated.

This was on top of SecureTSC hos patches that is having the change, will
sent v2 without this dependency.

Regards
Nikunj