Re: [Qemu-ppc] [PATCH] KVM: remove buggy vcpu id check on vcpu creation

[kbuild test robot]

Hi,

[auto build test WARNING on kvm/linux-next]
[also build test WARNING on v4.6-rc4 next-20160420]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improving the system]

url:    
https://github.com/0day-ci/linux/commits/Greg-Kurz/KVM-remove-buggy-vcpu-id-check-on-vcpu-creation/20160420-231233
base:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next
config: x86_64-randconfig-x017-201616 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   arch/x86/kvm/x86.c: In function 'kvm_arch_vcpu_create':
>> arch/x86/kvm/x86.c:7362:10: warning: return makes pointer from integer 
>> without a cast [-Wint-conversion]
      return -EINVAL;
             ^

vim +7362 arch/x86/kvm/x86.c

  7346  }
  7347  
  7348  void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
  7349  {
  7350          kvmclock_reset(vcpu);
  7351  
  7352          free_cpumask_var(vcpu->arch.wbinvd_dirty_mask);
  7353          kvm_x86_ops->vcpu_free(vcpu);
  7354  }
  7355  
  7356  struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
  7357                                                  unsigned int id)
  7358  {
  7359          struct kvm_vcpu *vcpu;
  7360  
  7361          if (id >= KVM_MAX_VCPUS)
> 7362                  return -EINVAL;
  7363  
  7364          if (check_tsc_unstable() && atomic_read(&kvm->online_vcpus) != 
0)
  7365                  printk_once(KERN_WARNING
  7366                  "kvm: SMP vm created on host with unstable TSC; "
  7367                  "guest TSC will not be reliable\n");
  7368  
  7369          vcpu = kvm_x86_ops->vcpu_create(kvm, id);
  7370  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

.config.gz
Description: Binary data