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[RESEND,4/5] KVM: VMX: Stop the preemption timer during vCPU reset

Message ID 1567733404-7759-4-git-send-email-wanpengli@tencent.com (mailing list archive)
State New, archived
Headers show
Series [RESEND,v3,1/5] KVM: LAPIC: Tune lapic_timer_advance_ns smoothly | expand

Commit Message

Wanpeng Li Sept. 6, 2019, 1:30 a.m. UTC 
From: Wanpeng Li <wanpengli@tencent.com>

The hrtimer which is used to emulate lapic timer is stopped during
vcpu reset, preemption timer should do the same.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
---
 arch/x86/kvm/vmx/vmx.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

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) {