On 02/07/2015 15:19, Andrey Smetanin wrote:
>>> > > +if (has_msr_hv_crash) {
>>> > > +env->msr_hv_crash_ctl = HV_X64_MSR_CRASH_CTL_NOTIFY;
>> >
>> > The value is always host-defined, so I think it doesn't need a field in
>> > CPUX86State. On the other hand, this:
> Kernel just w
On Wed, 2015-07-01 at 17:07 +0200, Paolo Bonzini wrote:
>
> On 30/06/2015 13:33, Denis V. Lunev wrote:
> >
> > +static int kvm_arch_handle_hv_crash(CPUState *cs)
> > +{
> > +X86CPU *cpu = X86_CPU(cs);
> > +CPUX86State *env = &cpu->env;
> > +
> > +/* Mark that Hyper-v guest crash occur
On 30/06/2015 13:33, Denis V. Lunev wrote:
>
> +static int kvm_arch_handle_hv_crash(CPUState *cs)
> +{
> +X86CPU *cpu = X86_CPU(cs);
> +CPUX86State *env = &cpu->env;
> +
> +/* Mark that Hyper-v guest crash occurred */
> +env->hv_crash_occurred = 1;
This need not be a hv crash.
From: Andrey Smetanin
KVM Hyper-V based guests can notify hypervisor about
occurred guest crash. This patch does handling of KVM crash event
by sending to libvirt guest panic event that allows to gather
guest crash dump by QEMU/LIBVIRT. Add support of HV_X64_MSR_CRASH_P0-P4,
HV_X64_MSR_CRASH_CTL
