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Re: [PATCH 07/12] evtchn: cut short evtchn_reset()'s loop in the common case


On 28/09/2020 12:00, Jan Beulich wrote:
The general expectation is that there are only a few open ports left
when a domain asks its event channel configuration to be reset.
Similarly on average half a bucket worth of event channels can be
expected to be inactive. Try to avoid iterating over all channels, by
utilizing usage data we're maintaining anyway.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Julien Grall <jgrall@xxxxxxxxxx>


Julien Grall



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