[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v4 05/10] evtchn: closing of vIRQ-s doesn't require looping over all vCPU-s
Hi Jan, On 05/01/2021 13:10, Jan Beulich wrote: Global vIRQ-s have their event channel association tracked on vCPU 0. Per-vCPU vIRQ-s can't have their notify_vcpu_id changed. Hence it is well-known which vCPU's virq_to_evtchn[] needs updating. I went through the history and couldn't find a reason for looping the vCPUs.I have also looked at the code and agree with the analysis provided in the commit message. Reviewed-by: Julien Grall <jgrall@xxxxxxxxxx> Cheers, -- Julien Grall
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