Messages in this thread | | | Subject | Re: [PATCH RESEND v2 15/17] KVM: selftests: Add dirty ring buffer test | From | Jason Wang <> | Date | Tue, 24 Dec 2019 14:50:48 +0800 |
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On 2019/12/21 上午10:04, Peter Xu wrote: > Add the initial dirty ring buffer test. > > The current test implements the userspace dirty ring collection, by > only reaping the dirty ring when the ring is full. > > So it's still running asynchronously like this:
I guess you meant "synchronously" here.
Thanks
> > vcpu main thread > > 1. vcpu dirties pages > 2. vcpu gets dirty ring full > (userspace exit) > > 3. main thread waits until full > (so hardware buffers flushed) > 4. main thread collects > 5. main thread continues vcpu > > 6. vcpu continues, goes back to 1
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