[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 2/2] Xen/mem_event: Prevent underflow of vcpu pause counts
On Thu, Jul 17, 2014 at 2:51 PM, Aravindh Puthiyaparambil (aravindp) <aravindp@xxxxxxxxx> wrote: >> +void mem_event_vcpu_unpause(struct vcpu *v) { The problem becomes how to tell apart real event responses that should dec the pause count from spurious crap from the toolstack. IOW, how to not unpause the vcpu when count reaches zero due to bad responses. I think the answer is: you can't, if the toolstack is evil, behavior undefined and bigger fish to fry.
Andres
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