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Ben Hutchings authored
We cannot safely assume that the NAPI handler will complete within the 20 ms that we allow for the event self-test. The handler may be deferred for longer than this, particularly on realtime kernels. Instead, check whether either an event has been handled or (as in the old failure path) whether an interrupt has been received and an event has been delivered but not yet handled. Use napi_disable() to synchronize with the NAPI handler before checking, since it will clear events before updating eventq_read_ptr. Remove the test result chan.N.eventq.poll, since it is not an error if the NAPI handler does not run during the test. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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