linux-kernel - Re: function call fw_iso_resource_mange(..) (core-iso.c) does not return

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Date:	Wed, 22 May 2013 18:22:34 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Stephan Gatzka <stephan.gatzka@...il.com>
Cc:	Stefan Richter <stefanr@...6.in-berlin.de>,
	linux1394-devel@...ts.sourceforge.net, peter@...leysoftware.com,
	linux-kernel@...r.kernel.org
Subject: Re: function call fw_iso_resource_mange(..) (core-iso.c) does not
 return

Hello,

On Wed, May 22, 2013 at 11:08:43AM +0200, Stephan Gatzka wrote:
> >There is quite a bit going on in firewire-ohci's and
> >firewire-core's parts
> >of self-ID-complete event handling.  But I suspect that stuff like
> >that is
> >still not in the league for which CPU_INTENSIVE was intended for
> >(cryptography etc.).
> 
> Some advice from Tejun would be great here...

No need to use CPU_INTENSIVE unless it's really burning considerable
amount of CPU cycles.  I don't know what the firewire work items are
doing but am pretty doubtful they would need the flag, and please
don't use it to work around deadlock problems. :)

Thanks.

-- 
tejun
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