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From: Ian Lepore <freebsd@damnhippie.dyndns.org>
To: Scott Long <scottl@samsco.org>
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Date: Wed, 11 Jan 2012 10:10:42 -0700
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Cc: freebsd-current@freebsd.org
Subject: Re: memory barriers in bus_dmamap_sync() ?
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On Wed, 2012-01-11 at 09:59 -0700, Scott Long wrote:
> 
> Where barriers _are_ needed is in interrupt handlers, and I can
> discuss that if you're interested.
> 
> Scott
> 

I'd be interested in hearing about that (and in general I'm loving the
details coming out in your explanations -- thanks!).

-- Ian