Date: Tue, 10 Feb 2015 18:36:23 +0000 From: David Chisnall <theraven@FreeBSD.org> To: Rui Paulo <rpaulo@me.com> Cc: "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, Adrian Chadd <adrian@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, John Baldwin <jhb@freebsd.org> Subject: Re: svn commit: r278479 - in head: etc sys/kern Message-ID: <575FA8C1-0204-455C-A35A-787C48066AA5@FreeBSD.org> In-Reply-To: <8e5503e1-755c-49e4-ab4d-a0ad1ae91f97@me.com> References: <8e5503e1-755c-49e4-ab4d-a0ad1ae91f97@me.com>
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On 10 Feb 2015, at 18:30, Rui Paulo <rpaulo@me.com> wrote: >=20 > Another thing I had in mind (which is more work) was to abstract the = devctl kernel code in an API which could make it easy to fan out the = notifications to multiple /dev devices. However, that may be overkill. This kind of notification is something that kdbus is increasingly being = used for on Linux. The primitive allows events to originate either in = the kernel or in userspace and to be sent either point-to-point or to a = bloom filter set of recipients (so you occasionally get some messages = you're not expecting, but hopefully don't get too many spurious = wakeups). David
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