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Subject: Re: Allow faster eventhandler dispatching by keeping pointers to
 handler lists.
To: Ian Lepore <ian@freebsd.org>, Matt Joras <mjoras@FreeBSD.org>,
 "freebsd-arch@FreeBSD.org" <freebsd-arch@FreeBSD.org>
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From: Hans Petter Selasky <hps@selasky.org>
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Date: Mon, 30 Oct 2017 09:17:30 +0100
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On 10/29/17 18:03, Ian Lepore wrote:
> Oh.  Right.  Hmmm, I think malloc() is required to support the case
> where a handler registers before the static list init is invoked, and I
> do think that's a useful feature to preserve.  That means the lists
> aren't really static, though, which then makes STATIC a bit out of
> place in the new function/macro names.

Why not use RCU here, and then update sys/queue.h to be RCU safe?

--HPS