Re: [PATCH v7 0/2] KVM: LAPIC: Implement Exitless Timer

2019-08-20 Thread Wanpeng Li
On Sat, 6 Jul 2019 at 09:26, Wanpeng Li wrote: > > Dedicated instances are currently disturbed by unnecessary jitter due > to the emulated lapic timers fire on the same pCPUs which vCPUs resident. > There is no hardware virtual timer on Intel for guest like ARM. Both > programming timer in guest

Re: [PATCH v7 0/2] KVM: LAPIC: Implement Exitless Timer

2019-07-16 Thread Wanpeng Li
On Thu, 11 Jul 2019 at 22:05, Paolo Bonzini wrote: > > On 11/07/19 15:50, Wanpeng Li wrote: > > kindly ping, > > Sorry, I need more time to review this. It's basically the only > remaining item for the 5.3 merge window, even though it won't be part of > the first pull request to Linus. Thank

Re: [PATCH v7 0/2] KVM: LAPIC: Implement Exitless Timer

2019-07-11 Thread Paolo Bonzini
On 11/07/19 15:50, Wanpeng Li wrote: > kindly ping, Sorry, I need more time to review this. It's basically the only remaining item for the 5.3 merge window, even though it won't be part of the first pull request to Linus. Paolo >> Dedicated instances are currently disturbed by unnecessary

[PATCH v7 0/2] KVM: LAPIC: Implement Exitless Timer

2019-07-05 Thread Wanpeng Li
Dedicated instances are currently disturbed by unnecessary jitter due to the emulated lapic timers fire on the same pCPUs which vCPUs resident. There is no hardware virtual timer on Intel for guest like ARM. Both programming timer in guest and the emulated timer fires incur vmexits. This