tree:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
head:   ed393e4134de0dd02d8ba98ca8ce3ae65d1eb567
commit: 46f4c309534b10ca1026273abe38955d3cff4023 [27/38] kvm/x86: Hyper-V 
HV_X64_MSR_VP_RUNTIME support
reproduce:
  # apt-get install sparse
  git checkout 46f4c309534b10ca1026273abe38955d3cff4023
  make ARCH=x86_64 allmodconfig
  make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> arch/x86/kvm/hyperv.c:186:41: sparse: incorrect type in argument 2 
>> (different modifiers)
   arch/x86/kvm/hyperv.c:186:41:    expected unsigned long [nocast] [usertype] 
*ut
   arch/x86/kvm/hyperv.c:186:41:    got unsigned long *<noident>
>> arch/x86/kvm/hyperv.c:186:41: sparse: implicit cast to nocast type
>> arch/x86/kvm/hyperv.c:186:49: sparse: incorrect type in argument 3 
>> (different modifiers)
   arch/x86/kvm/hyperv.c:186:49:    expected unsigned long [nocast] [usertype] 
*st
   arch/x86/kvm/hyperv.c:186:49:    got unsigned long *<noident>
   arch/x86/kvm/hyperv.c:186:49: sparse: implicit cast to nocast type

vim +186 arch/x86/kvm/hyperv.c

   170                          kvm_make_request(KVM_REQ_HV_RESET, vcpu);
   171                  }
   172                  break;
   173          default:
   174                  vcpu_unimpl(vcpu, "Hyper-V uhandled wrmsr: 0x%x data 
0x%llx\n",
   175                              msr, data);
   176                  return 1;
   177          }
   178          return 0;
   179  }
   180  
   181  /* Calculate cpu time spent by current task in 100ns units */
   182  static u64 current_task_runtime_100ns(void)
   183  {
   184          cputime_t utime, stime;
   185  
 > 186          task_cputime_adjusted(current, &utime, &stime);
   187          return div_u64(cputime_to_nsecs(utime + stime), 100);
   188  }
   189  
   190  static int kvm_hv_set_msr(struct kvm_vcpu *vcpu, u32 msr, u64 data, 
bool host)
   191  {
   192          struct kvm_vcpu_hv *hv = &vcpu->arch.hyperv;
   193  
   194          switch (msr) {

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