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Date:      Mon, 17 Nov 2008 22:23:49 +0100
From:      Hans Petter Selasky <hselasky@c2i.net>
To:        freebsd-hackers@freebsd.org
Cc:        Murat Balaban <murat@enderunix.org>, Ed Schouten <ed@80386.nl>
Subject:   Re: Giant lock, bce and uhc using the same irq
Message-ID:  <200811172223.51209.hselasky@c2i.net>
In-Reply-To: <20081117204802.GZ81783@hoeg.nl>
References:  <1226934861.6310.25.camel@efe> <20081117171250.GA43367@hub.freebsd.org> <20081117204802.GZ81783@hoeg.nl>

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On Monday 17 November 2008, Ed Schouten wrote:
> * Kris Kennaway <kris@FreeBSD.org> wrote:
> > P.S. In 8.0 there is a new USB stack that is Giant-free.
>
> I'm not sure this is completely true. Maybe HPS could explain it in more
> detail, but Giant still seems to be used pretty often.

All the interrupt handlers of the Host- and Device-controller drivers are free 
from locking Giant when executing.

--HPS



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