knakahara 92613f0abe We must use PSLIST_ENTRY_DESTROY after PSLIST_WRITER_REMOVE and waiting all readers done.
And then, if we want to re-insert the removed pslist element, we need to
call PSLIST_ENTERY_INIT again.

advised by riastradh@n.o and reviewed by ozaki-r@n.o, thanks.
2016-11-18 10:38:55 +00:00
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