Re: [PATCH] KVM: don't sent IPI if the vcpu is not online

From: Xiao Guangrong
Date: Sun Sep 05 2010 - 21:45:14 EST


On 09/05/2010 03:18 PM, Avi Kivity wrote:
> On 09/03/2010 07:12 AM, Xiao Guangrong wrote:
>> It's no need sent IPI to the vcpu which is schedule out
>>
>>
>> @@ -86,6 +86,7 @@ struct kvm_vcpu {
>> unsigned long requests;
>> unsigned long guest_debug;
>> int srcu_idx;
>> + bool online;
>
> Why not check for guest_mode instead?
>

Oh, i forget it...but 'vcpu->guest_mode' is only used in x86 platform,
and make_all_cpus_request() is a common function.

So, maybe it's better use 'vcpu->online' here, and move 'guest_mode' into
'vcpu->arch' ?
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