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Re: Modpost warning on Alchemy

To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Subject: Re: Modpost warning on Alchemy
From: "Maciej W. Rozycki" <macro@linux-mips.org>
Date: Thu, 2 Aug 2007 14:35:48 +0100 (BST)
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
In-reply-to: <46B1D3CE.6070507@ru.mvista.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20070801115231.GA20323@linux-mips.org> <46B07B36.1000501@ru.mvista.com> <Pine.LNX.4.64N.0708011337390.20314@blysk.ds.pg.gda.pl> <46B086EB.2030101@ru.mvista.com> <46B0880B.2000009@ru.mvista.com> <Pine.LNX.4.64N.0708011629010.20314@blysk.ds.pg.gda.pl> <46B0AA74.7040100@ru.mvista.com> <Pine.LNX.4.64N.0708011708250.20314@blysk.ds.pg.gda.pl> <46B0B6B4.5090103@ru.mvista.com> <46B0BE52.4000302@ru.mvista.com> <Pine.LNX.4.64N.0708021024200.22591@blysk.ds.pg.gda.pl> <46B1D3CE.6070507@ru.mvista.com>
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On Thu, 2 Aug 2007, Sergei Shtylyov wrote:

> > How about using a softirq then?  
> 
>    Using softirq for what?

 For what you would otherwise want to do in the interrupt context.

 If you want an example, then please have a look at phylib, where in the 
interrupt handler you cannot even access the interrupt status register of 
the originating device (there may be a number of them sharing the same 
line too), because in general it is impossible to access the MDIO bus from 
the interrupt context.

  Maciej

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