Date: Mon, 30 Oct 2017 09:17:30 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Ian Lepore <ian@freebsd.org>, Matt Joras <mjoras@FreeBSD.org>, "freebsd-arch@FreeBSD.org" <freebsd-arch@FreeBSD.org> Subject: Re: Allow faster eventhandler dispatching by keeping pointers to handler lists. Message-ID: <0fad1391-726d-8215-075d-9411abdf6edb@selasky.org> In-Reply-To: <1509296624.21609.24.camel@freebsd.org> References: <1509243567.56824.103.camel@freebsd.org> <3a71dd31-99cb-c891-9d52-a7f2e7010011@FreeBSD.org> <1509293552.21609.5.camel@freebsd.org> <1509294247.21609.12.camel@freebsd.org> <7b59ff3d-3458-0bca-e6b4-13454b13efb0@FreeBSD.org> <1509296624.21609.24.camel@freebsd.org>
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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
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