Re: [patch 2/2] KVM: x86: do not execute halted vcpus (v2)

[Avi Kivity <avi@qumranet.com>]

Avi Kivity wrote:
> Marcelo Tosatti wrote:
>> Offline or uninitialized vcpu's can be executed if requested to perform
>> userspace work.
>> Follow Avi's suggestion to handle halted vcpu's in the main loop,
>> simplifying kvm_emulate_halt(). Introduce a new vcpu->requests bit to
>> indicate events that promote state from halted to running.
>>
>> Also standardize vcpu wake sites.
>>   
>
> Apart from moving the entry checks to the exit, this looks fine (if 
> scary... this code is sensitive).
>

btw, this is a step forward for big real mode.  We can later split the 
guest entry to have an emulation path if the guest state is not hardware 
friendly.

-- 
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