Re: [PATCH 2/2] KVM: VMX: Stop the preemption timer during vCPU reset

From: Paolo Bonzini
Date: Wed Sep 11 2019 - 12:07:11 EST


On 05/09/19 08:26, Wanpeng Li wrote:
> From: Wanpeng Li <wanpengli@xxxxxxxxxxx>
>
> The hrtimer which is used to emulate lapic timer is stopped during
> vcpu reset, preemption timer should do the same.
>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Cc: Radim KrÄmÃÅ <rkrcmar@xxxxxxxxxx>
> Signed-off-by: Wanpeng Li <wanpengli@xxxxxxxxxxx>
> ---
> arch/x86/kvm/vmx/vmx.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
> index 570a233..f794929 100644
> --- a/arch/x86/kvm/vmx/vmx.c
> +++ b/arch/x86/kvm/vmx/vmx.c
> @@ -4162,6 +4162,7 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
>
> vcpu->arch.microcode_version = 0x100000000ULL;
> vmx->vcpu.arch.regs[VCPU_REGS_RDX] = get_rdx_init_val();
> + vmx->hv_deadline_tsc = -1;
> kvm_set_cr8(vcpu, 0);
>
> if (!init_event) {
>

Queued both, thanks.

Paolo