Ping: [PATCH v5 0/6] evtchn: (not so) recent XSAs follow-on

[Jan Beulich <jbeulich@xxxxxxxx>]

On 27.01.2021 09:13, Jan Beulich wrote:
> These are grouped into a series largely because of their origin,
> not so much because there are (heavy) dependencies among them.
> The main change from v4 is the dropping of the two patches trying
> to do away with the double event lock acquires in interdomain
> channel handling. See also the individual patches.
> 
> 1: use per-channel lock where possible
> 2: convert domain event lock to an r/w one
> 3: slightly defer lock acquire where possible
> 4: add helper for port_is_valid() + evtchn_from_port()
> 5: type adjustments
> 6: drop acquiring of per-channel lock from send_guest_{global,vcpu}_virq()

Only patch 4 here has got an ack so far - may I ask for clear feedback
as to at least some of these being acceptable (I can see the last one
being controversial, and if this was the only one left I probably
wouldn't even ping, despite thinking that it helps reduce unecessary
overhead).

Jan