Messages in this thread | | | From | Wanpeng Li <> | Date | Wed, 6 Jul 2016 13:37:03 +0800 | Subject | Re: [PATCH] KVM: VMX: switch to hrtimer for TSC deadline timer when L2 guest is running |
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Cc Jan, 2016-07-06 13:10 GMT+08:00 Haozhong Zhang <haozhong.zhang@intel.com>: > A different VMCS is loaded when L2 guest is running, so it's incorrect > to use the VMX preemption timer for L1 TSC deadline timer. This patch > switches to hrtimer for L1 TSC deadline timer when entering L2 guest, > and switches back to VMX preemption timer when nested VMEXIT from L2 to > L1.
Nested preemption timer is emulated by hrtimer, so it doesn't influence vmcs02, why this is needed?
Regards, Wanpeng Li
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