Re: [PATCH v3 3/5] evtchn: convert vIRQ lock to an r/w one

2020-12-09 Thread Julien Grall
Hi Jan, On 23/11/2020 13:28, Jan Beulich wrote: There's no need to serialize all sending of vIRQ-s; all that's needed is serialization against the closing of the respective event channels (so far by means of a barrier). To facilitate the conversion, switch to an ordinary write locked region in e

[PATCH v3 3/5] evtchn: convert vIRQ lock to an r/w one

2020-11-23 Thread Jan Beulich
There's no need to serialize all sending of vIRQ-s; all that's needed is serialization against the closing of the respective event channels (so far by means of a barrier). To facilitate the conversion, switch to an ordinary write locked region in evtchn_close(). Signed-off-by: Jan Beulich --- v3: