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From: Paolo Bonzini <pbonzini@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>, kvm@vger.kernel.org
Cc: Alex Williamson <alex.williamson@redhat.com>,
	Sean Christopherson <seanjc@google.com>,
	Peter Xu <peterx@redhat.com>
Subject: Re: [patch 2/3] KVM: rename KVM_REQ_PENDING_TIMER to KVM_REQ_UNBLOCK
Date: Thu, 27 May 2021 13:57:27 +0200	[thread overview]
Message-ID: <e8ebd90a-3557-2929-4ebc-e70a7c40f627@redhat.com> (raw)
In-Reply-To: <20210525134321.303768132@redhat.com>

On 25/05/21 15:41, Marcelo Tosatti wrote:
> -KVM_REQ_PENDING_TIMER
> +KVM_REQ_UNBLOCK
>   
>     This request may be made from a timer handler run on the host on behalf
> -  of a VCPU.  It informs the VCPU thread to inject a timer interrupt.
> +  of a VCPU, or when device assignment is performed. It informs the VCPU to
> +  exit the vcpu halt inner loop.
>   

A small change:

   This request informs the vCPU to exit kvm_vcpu_block.  It is used for
   example from timer handlers that run on the host on behalf of a vCPU,
   or in order to update the interrupt routing and ensure that assigned
   devices will wake up the vCPU.

Paolo


  parent reply	other threads:[~2021-05-27 11:57 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-25 13:41 [patch 0/3] VMX: configure posted interrupt descriptor when assigning device (v5) Marcelo Tosatti
2021-05-25 13:41 ` [patch 1/3] KVM: x86: add start_assignment hook to kvm_x86_ops Marcelo Tosatti
2021-05-25 19:52   ` Peter Xu
2021-05-25 13:41 ` [patch 2/3] KVM: rename KVM_REQ_PENDING_TIMER to KVM_REQ_UNBLOCK Marcelo Tosatti
2021-05-25 19:14   ` Peter Xu
2021-05-25 19:26     ` Marcelo Tosatti
2021-05-25 19:52       ` Peter Xu
2021-05-27 11:57         ` Paolo Bonzini
2021-05-27 11:57   ` Paolo Bonzini [this message]
2021-05-25 13:41 ` [patch 3/3] KVM: VMX: update vcpu posted-interrupt descriptor when assigning device Marcelo Tosatti
2021-05-25 19:55   ` Peter Xu
2021-05-26 17:20     ` [patch 3/3 V2] " Marcelo Tosatti
2021-05-25 21:09   ` [patch 3/3] " kernel test robot
2021-05-25 21:09     ` kernel test robot
2021-05-27 11:59 ` [patch 0/3] VMX: configure posted interrupt descriptor when assigning device (v5) Paolo Bonzini

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