On Mon, Sep 19, 2022 at 09:58:10AM +1000, Gavin Shan wrote:

I think Marc's explanation makes sense. It won't make difference in terms
of performance. We need to explicitly handle barrier when kvm_test_request()
is used. So I prefer to keep the code if Peter agrees.

No strong opinion here. I keep thinking clear+set look awkward even if it's
unlikely path to trigger (ring should be recycled when reaching here for
any sane user app), but if it's already 2:1 then please go ahead. :)

Thanks,

-- 
Peter Xu


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