Re: [PATCH v2 0/6] KVM: arm64: VCPU preempted check support

2020-12-29 Thread yezengruan
On 2020/1/15 22:14, Marc Zyngier wrote: > On 2020-01-13 12:12, Will Deacon wrote: >> [+PeterZ] >> >> On Thu, Dec 26, 2019 at 09:58:27PM +0800, Zengruan Ye wrote: >>> This patch set aims to support the vcpu_is_preempted() functionality >>> under KVM/arm64, which allowing the guest to obtain the VCPU

Re: [RFC][PATCH 0/4] arm64:kvm: teach guest sched that VCPUs can be preempted

2020-08-17 Thread yezengruan
On 2020/8/17 20:25, Marc Zyngier wrote: > On 2020-08-17 13:03, yezengruan wrote: >> On 2020/8/17 10:03, Sergey Senozhatsky wrote: >>> On (20/07/21 13:17), Sergey Senozhatsky wrote: >>>> Hello, >>>> >>>> RFC >>>> >>>&

Re: [RFC][PATCH 0/4] arm64:kvm: teach guest sched that VCPUs can be preempted

2020-08-17 Thread yezengruan
On 2020/8/17 10:03, Sergey Senozhatsky wrote: > On (20/07/21 13:17), Sergey Senozhatsky wrote: >> Hello, >> >> RFC >> >> We noticed that in a number of cases when we wake_up_process() >> on arm64 guest we end up enqueuing that task on a preempted VCPU. The culprit >> appears to be the fac