Re: [RFC PATCH 1/3] kvm: keep track of which task is running a KVM vcpu

Rik van Riel
2010-12-03T14:50:14Z

On 12/02/2010 08:18 PM, Chris Wright wrote:
> * Rik van Riel (riel@redhat.com) wrote:
>> Keep track of which task is running a KVM vcpu. This helps us
>> figure out later what task to wake up if we want to boost a
>> vcpu that got preempted.
>>
>> Unfortunately there are no guarantees that the same task
>> always keeps the same vcpu, so we can only track the task
>> across a single "run" of the vcpu.
>
> So shouldn't it confine to KVM_RUN? The other vcpu_load callers aren't
> always a vcpu in a useful runnable state.

Yeah, probably. If you want I can move the setting of
vcpu->task to kvm_vcpu_ioctl.

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