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Re: __do_IRQ() going away

To: Manuel Lauss <mano@roarinelk.homelinux.net>
Subject: Re: __do_IRQ() going away
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 12 Mar 2009 12:20:04 +0100
Cc: linux-mips@linux-mips.org, Thomas Gleixner <tglx@linutronix.de>
In-reply-to: <f861ec6f0903120246m386a09c7o5825a92a00cef2d6@mail.gmail.com>
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References: <20090311112806.GA24541@linux-mips.org> <20090312072618.GA31978@roarinelk.homelinux.net> <20090312092810.GA13674@linux-mips.org> <f861ec6f0903120246m386a09c7o5825a92a00cef2d6@mail.gmail.com>
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On Thu, Mar 12, 2009 at 10:46:28AM +0100, Manuel Lauss wrote:

> > Iow, now with CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ always set half the
> > platforms will blow up because the function pointer irq_desc->handle_irq
> > is unset.
> 
> ...and it works fine so far on the DB1200 and another 2 boards I have.
> (I.e. your patch didn't break anything).  Unless I'm missing something
> very big.

Ah, there is a remaining call to set_irq_chip in the Alchemy code - but
that seems to be in "does not happen" code so should be benign.

  Ralf

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