Hi Vitaly:
I just worked out a patch to fix the issue and hasn't send out yet. It's up to you to remove or fix 😊
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index ed8056049070..d0c45c9f5fc5 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -499,19 +499,18 @@ static int hv_enable_direct_tlbflush(struct kvm_vcpu *vcpu)
*p_hv_pa_pg = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!*p_hv_pa_pg)
return -ENOMEM;
- pr_debug("KVM: Hyper-V: allocated PA_PG for %llx\n",
- (u64)&vcpu->kvm);
+ pr_debug("KVM: Hyper-V: allocated PA_PG for %lx\n",
+ (unsigned long)&vcpu->kvm);
}
evmcs = (struct hv_enlightened_vmcs *)to_vmx(vcpu)->loaded_vmcs->vmcs;
-
evmcs->partition_assist_page =
__pa(*p_hv_pa_pg);
- evmcs->hv_vm_id = (u64)vcpu->kvm;
+ evmcs->hv_vm_id = (unsigned long)vcpu->kvm;
evmcs->hv_enlightenments_control.nested_flush_hypercall = 1;
- pr_debug("KVM: Hyper-V: enabled DIRECT flush for %llx\n",
- (u64)vcpu->kvm);
+ pr_debug("KVM: Hyper-V: enabled DIRECT flush for %lx\n",
+ (unsigned long)&vcpu->kvm);
return 0;
}
-----Original Message-----
From: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
Sent: Wednesday, September 25, 2019 4:31 PM
To: kvm@xxxxxxxxxxxxxxx
Cc: kbuild-all@xxxxxx; kbuild test robot <lkp@xxxxxxxxx>; Robert Hu <robert.hu@xxxxxxxxx>; Farrah Chen <farrah.chen@xxxxxxxxx>; Danmei Wei <danmei.wei@xxxxxxxxx>; Paolo Bonzini <pbonzini@xxxxxxxxxx>; Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>
Subject: Re: [kvm:queue 4/47] arch/x86/kvm/vmx/vmx.c:503:10: warning: cast from pointer to integer of different size
kbuild test robot <lkp@xxxxxxxxx> writes:
> > 502 pr_debug("KVM: Hyper-V: allocated PA_PG for %llx\n",
> > 503 (u64)&vcpu->kvm);
(as a matter of fact, this wasn't in my original patch :-)
I'm not quite sure what this info is useful for, let's just remove it. I'll send a patch.
--
Vitaly
