linux-kernel - Re: [PATCH HACK] powerpc: quick hack to get a functional eHEA with hardirq preemption, eHCA is close

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Message-ID: <20080918143146.77db81d5@bull.net>
Date:	Thu, 18 Sep 2008 14:31:46 +0200
From:	Sebastien Dugue <sebastien.dugue@...l.net>
To:	Christoph Raisch <RAISCH@...ibm.com>
Cc:	Benjamin Herrenschmidt <bherren@....ibm.com>,
	gilles.carry@....bull.net, Jan-Bernd Themann <THEMANN@...ibm.com>,
	jean-pierre.dion@...l.net,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Linux-rt <linux-rt-users@...r.kernel.org>,
	linux-ppc <linuxppc-dev@...abs.org>, netdev@...r.kernel.org,
	Thomas Q Klein <TKLEIN@...ibm.com>, tinytim@...ibm.com,
	Hoang-Nam Nguyen <HNGUYEN@...ibm.com>
Subject: Re: [PATCH HACK] powerpc: quick hack to get a functional eHEA with
 hardirq preemption, eHCA is close

On Thu, 18 Sep 2008 12:42:05 +0200 Christoph Raisch <RAISCH@...ibm.com> wrote:

> 
> Sebastien Dugue <sebastien.dugue@...l.net> wrote on 18.09.2008 11:27:13:
> 
> >
> >   It would be really interresting to know if the eHCA exhibits the same
> > problem under -rt as it's the only other user of the ibmebus.
> > Unfortunately I don't have the hardware to test.
> >
> 
> eHCA is very close from the interrupt generation and handling perspective,
> so yes, could be an issue there as well.

  That's what I was speculating.

  Thanks,

  Sebastien.

> 
> 
> Gruss / Regards
> Christoph Raisch
> 
> 
> 
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