Re: [KVM PATCH v3 3/3] KVM: Fix races in irqfd using new eventfd_kref_getinterface

[Gregory Haskins]

Gregory Haskins wrote:
> Michael S. Tsirkin wrote:
>   
>
>>  And note that multiple works can run on irqfd
>> in parallel.
>>   
>>     
>
> They can?  I thought work-queue items were guaranteed to only schedule
> once?  If what you say is true, its broken, I agree, and Ill need to
> revisit.  Let me get back to you.
>   

<sigh> Yep, you are right.  This is broken in my code. :(

Will address in the next spin.  Good catch.

-Greg

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