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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Mark A. Greer" <mgreer@mvista.com>
Cc: linuxppc-dev <Linuxppc-dev@ozlabs.org>,
	Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH] powerpc: Disable external interrupts in bootwrapper
Date: Wed, 28 Mar 2007 10:28:55 +1000	[thread overview]
Message-ID: <1175041735.14065.37.camel@localhost.localdomain> (raw)
In-Reply-To: <20070328001215.GA25080@mag.az.mvista.com>

On Tue, 2007-03-27 at 17:12 -0700, Mark A. Greer wrote:
> On Wed, Mar 28, 2007 at 09:43:07AM +1000, Paul Mackerras wrote:
> > Mark A. Greer writes:
> > 
> > > Disable external interrupts very early in the bootwrapper in case
> > > the firmware left a device generating interrupts.
> > 
> > Sounds reasonable, except that I wonder if systems running under a
> > real OF want to do this...
> 
> I don't know.  Would someone who knows OF speak up?

OF isn't supposed to use external interrupts but I wouldn't bet on what
Apple's one does... I think it's not safe to do that thus on OF based
platforms.

Ben.

  reply	other threads:[~2007-03-28  0:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-27 22:28 [PATCH] powerpc: Disable external interrupts in bootwrapper Mark A. Greer
2007-03-27 23:43 ` Paul Mackerras
2007-03-28  0:12   ` Mark A. Greer
2007-03-28  0:28     ` Benjamin Herrenschmidt [this message]
2007-03-28  1:03       ` Mark A. Greer
2007-03-28  1:26         ` David Gibson
2007-03-28  1:34           ` Mark A. Greer
2007-03-28 16:52       ` Segher Boessenkool
2007-03-28  1:05 ` Geoff Levand
2007-03-28  1:34   ` Mark A. Greer
2007-03-28 16:57   ` Segher Boessenkool
2007-04-10 22:37 ` Mark A. Greer

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