Andi Kleen wrote:
Check shared ring status when stuffing a request.  If there are requests

That means you're bouncing cache lines all the time. Probably not a big
issue on single socket but could be on larger systems.

That's why I'd like requests to be handled on the vcpu thread rather than an auxiliary thread.

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I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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