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Date: Fri, 8 Jun 2007 14:04:14 -0400 (EDT)
From: "Andrew R. Reiter" <arr@watson.org>
To: Attilio Rao <attilio@freebsd.org>
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	<86myzeq67f.wl%rpaulo@fnop.net> <4666B730.9080908@FreeBSD.org> 
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Cc: Rui Paulo <rpaulo@fnop.net>, Perforce Change Reviews <perforce@freebsd.org>,
	Rui Paulo <rpaulo@freebsd.org>, John Baldwin <jhb@freebsd.org>
Subject: Re: PERFORCE change 120788 for review
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On Fri, 8 Jun 2007, Attilio Rao wrote:

> 2007/6/8, John Baldwin <jhb@freebsd.org>:
>> On Wednesday 06 June 2007 09:31:28 am Attilio Rao wrote:
>> > Rui Paulo wrote:
>> > >
>> > > If I'm not doing something wrong, I need to use spin locks on my
>> > > interrupt handler, or else witness_checkorder will complain with
>> > > "blockable sleep lock".
>> > >
>> > > Note that I'm using FILTERs.
>> >
>> > So you are doing this in the wrong way.
>> > In order to use correctly filters, please note that the support for them
>> > is compile time choosen, so you need to wrapper all filter specific
>> > parts using INTR_FILTER compat macro.
>> 
>> Actually, if you only use a filter and not an ithread handler, you can do 
>> that
>> now w/o needing to have any #ifdef INTR_FILTER stuff.
>
> In the case your kernel doesn't use filters (!INTR_FILTER) and you
> pass a filter, it is automatically mapped to work as a fast handler?
>
> Attilio
>

When this conversation is completed, can this be documented?