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Re: [RFC v3 08/10] KVM: arm/arm64: Set up a background timer for the physical timer emulation

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On Wed, Feb 01, 2017 at 12:43:08PM -0500, Jintack Lim wrote:
> Set a background timer for the EL1 physical timer emulation while VMs
> are running, so that VMs get the physical timer interrupts in a timely
> manner.
> 
> Schedule the background timer on entry to the VM and cancel it on exit.
> This would not have any performance impact to the guest OSes that
> currently use the virtual timer since the physical timer is always not
> enabled.
> 
> Signed-off-by: Jintack Lim <jintack@cs.columbia.edu>

Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>

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[RFC v3 00/10] Provide the EL1 physical timer to the VM Jintack Lim <jintack@cs.columbia.edu> - 2017-02-01 18:50 +0100
  [RFC v3 04/10] KVM: arm/arm64: Add the EL1 physical timer context Jintack Lim <jintack@cs.columbia.edu> - 2017-02-01 18:50 +0100
    Re: [RFC v3 04/10] KVM: arm/arm64: Add the EL1 physical timer context Christoffer Dall <cdall@linaro.org> - 2017-02-02 11:20 +0100
  [RFC v3 08/10] KVM: arm/arm64: Set up a background timer for the physical timer emulation Jintack Lim <jintack@cs.columbia.edu> - 2017-02-01 18:50 +0100
    Re: [RFC v3 08/10] KVM: arm/arm64: Set up a background timer for the  physical timer emulation Christoffer Dall <cdall@linaro.org> - 2017-02-02 11:40 +0100
  [RFC v3 07/10] KVM: arm/arm64: Set a background timer to the earliest timer expiration Jintack Lim <jintack@cs.columbia.edu> - 2017-02-01 18:50 +0100
    Re: [RFC v3 07/10] KVM: arm/arm64: Set a background timer to the  earliest timer expiration Christoffer Dall <cdall@linaro.org> - 2017-02-02 11:40 +0100
  [RFC v3 03/10] KVM: arm/arm64: Decouple kvm timer functions from virtual timer Jintack Lim <jintack@cs.columbia.edu> - 2017-02-01 18:50 +0100
    Re: [RFC v3 03/10] KVM: arm/arm64: Decouple kvm timer functions from  virtual timer Christoffer Dall <cdall@linaro.org> - 2017-02-02 11:10 +0100
  [RFC v3 02/10] KVM: arm/arm64: Move cntvoff to each timer context Jintack Lim <jintack@cs.columbia.edu> - 2017-02-01 18:50 +0100
    Re: [RFC v3 02/10] KVM: arm/arm64: Move cntvoff to each timer context Christoffer Dall <cdall@linaro.org> - 2017-02-02 11:10 +0100
  [RFC v3 01/10] KVM: arm/arm64: Abstract virtual timer context into separate structure Jintack Lim <jintack@cs.columbia.edu> - 2017-02-01 18:50 +0100
  [RFC v3 06/10] KVM: arm/arm64: Update the physical timer interrupt level Jintack Lim <jintack@cs.columbia.edu> - 2017-02-01 18:50 +0100
    Re: [RFC v3 06/10] KVM: arm/arm64: Update the physical timer  interrupt level Christoffer Dall <cdall@linaro.org> - 2017-02-02 11:20 +0100
  Re: [RFC v3 00/10] Provide the EL1 physical timer to the VM Christoffer Dall <cdall@linaro.org> - 2017-02-02 13:40 +0100
    Re: [RFC v3 00/10] Provide the EL1 physical timer to the VM Jintack Lim <jintack@cs.columbia.edu> - 2017-02-02 16:00 +0100
      Re: [RFC v3 00/10] Provide the EL1 physical timer to the VM Christoffer Dall <cdall@linaro.org> - 2017-02-02 16:10 +0100
      Re: [RFC v3 00/10] Provide the EL1 physical timer to the VM Christoffer Dall <cdall@linaro.org> - 2017-02-03 13:40 +0100
        Re: [RFC v3 00/10] Provide the EL1 physical timer to the VM Jintack Lim <jintack@cs.columbia.edu> - 2017-02-03 14:20 +0100
          Re: [RFC v3 00/10] Provide the EL1 physical timer to the VM Christoffer Dall <cdall@linaro.org> - 2017-02-03 14:40 +0100

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