cvs commit: src/sys/kern kern_thread.c
scottl at samsco.org
Sat Mar 19 07:15:59 PST 2005
Poul-Henning Kamp wrote:
> In message <423C0A0F.6090409 at freebsd.org>, David Xu writes:
>>Poul-Henning Kamp wrote:
>>>phk 2005-03-19 08:22:13 UTC
>>> FreeBSD src repository
>>> Sleeping is not allowed in uma->fini
>>I have not tested if this change will hurt libpthread performance,
>>but it is obvious that benifit of uma cache will be reduced by
> I am aware of that and I don't like it either.
> The problem is that the uma_mutex is held over the uma->fini() call
> and I'm surprised that we set so tight constraints on these functions
> but I did not manage to corner the UMA crew and talk to them about it
> yesterday evening.
> One obvious solution is to taskq the release of the unit number.
Since unit number release isn't a time-critical operation (right?), it
sounds like a perfect candidate for a taskqueue.
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