On 23/06/2015 01:55, Peter Hornyack wrote:
>> > -static int kvm_hv_msr_set_crash_ctl(struct kvm_vcpu *vcpu, u64 data)
>> > +static int kvm_hv_msr_set_crash_ctl(struct kvm_vcpu *vcpu, u64 data, bool host)
>> > {
>> > struct kvm_arch_hyperv *hv = &vcpu->kvm->arch.hyperv;
>> >
>> > hv->hv_crash_ctl = data;
> Should we allow hv_crash_ctl to be set if !host? It's a small detail,
> but it doesn't seem like the guest should be able to disable crash
> actions that userspace has enabled in hv_crash_ctl.
No, the MSR contents shouldn't be writable.
Paolo
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