Re: memory barriers in bus_dmamap_sync() ?

From: Ian Lepore <freebsd_at_damnhippie.dyndns.org>
Date: Wed, 11 Jan 2012 10:10:42 -0700
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
Received on Wed Jan 11 2012 - 16:10:45 UTC

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