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Commit f15a75ee authored by Wanpeng Li's avatar Wanpeng Li Committed by Paolo Bonzini
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KVM: nVMX: make emulated nested preemption timer pinned 



Commit 61abdbe0 ("kvm: x86: make lapic hrtimer pinned") pins the emulated
lapic timer. This patch does the same for the emulated nested preemption
timer to avoid vmexit an unrelated vCPU and the latency of kicking IPI to
another vCPU.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Yunhong Jiang <yunhong.jiang@intel.com>
Signed-off-by: default avatarWanpeng Li <wanpeng.li@hotmail.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 72e0ae58

arch/x86/kvm/vmx.c

+1 −1
Original line number Diff line number Diff line
@@ -7013,7 +7013,7 @@ static int handle_vmon(struct kvm_vcpu *vcpu) 
	vmx->nested.vmcs02_num = 0;



	hrtimer_init(&vmx->nested.preemption_timer, CLOCK_MONOTONIC,

		     HRTIMER_MODE_REL);

		     HRTIMER_MODE_REL_PINNED);

	vmx->nested.preemption_timer.function = vmx_preemption_timer_fn;



	vmx->nested.vmxon = true;