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From: kbuild test robot <fengguang.wu@intel.com>
To: Andrey Smetanin <asmetanin@virtuozzo.com>
Cc: kbuild-all@01.org, Paolo Bonzini <pbonzini@redhat.com>,
	Roman Kagan <rkagan@virtuozzo.com>,
	"Denis V. Lunev" <den@openvz.org>,
	kvm@vger.kernel.org
Subject: [kvm:queue 27/38] arch/x86/kvm/hyperv.c:186:41: sparse: incorrect type in argument 2 (different modifiers)
Date: Fri, 18 Sep 2015 21:39:14 +0800	[thread overview]
Message-ID: <201509182109.6ccgXDVp%fengguang.wu@intel.com> (raw)

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

             reply	other threads:[~2015-09-18 13:40 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-18 13:39 kbuild test robot [this message]
2015-09-18 13:51 ` [kvm:queue 27/38] arch/x86/kvm/hyperv.c:186:41: sparse: incorrect type in argument 2 (different modifiers) Denis V. Lunev
2015-09-18 13:55   ` Paolo Bonzini
2015-09-18 13:57     ` Denis V. Lunev
2015-09-18 14:40     ` Roman Kagan
2015-09-18 14:41       ` Paolo Bonzini
2015-09-18 15:06         ` [kbuild-all] " Fengguang Wu
2016-01-05 13:51           ` Luc Van Oostenryck

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