On 2019-08-18 13:43, Jeff Roberson wrote:
Author: jeff
Date: Sun Aug 18 11:43:58 2019
New Revision: 351188
URL: https://svnweb.freebsd.org/changeset/base/351188
Log:
Add a blocking wait bit to refcount. This allows refs to be used as a simple
barrier.
Reviewed by: markj, kib
Discussed with: jhb
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D21254
Modified:
head/sys/kern/kern_synch.c
head/sys/sys/refcount.h
Hi,
I would like to decouple the wait/wakeup logic from the release
function, if possible. The main objection here is that we are woken up
before any destructor is executed. Also this function is not Giant safe
and does neither assert that it can sleep.
--HPS
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