Re: [PATCH] fix the interrupt loss problem on powerpc IPIC (2.6.23)

[Kumar Gala]

On Feb 17, 2009, at 8:38 AM, Li Yang wrote:

> On Tue, Feb 17, 2009 at 10:12 PM, Kumar Gala <galak@xxxxxxxxxxxxxxxxxxx 
> > wrote:
> > On Feb 17, 2009, at 6:44 AM, <dayu@xxxxxxxxxxxxxxx> <dayu@xxxxxxxxxxxxxxx 
> > >
> > wrote:
> >
> > > From: Da Yu <dayu@xxxxxxxxxxxxxxx>
> > > Date: Tue, 17 Feb 2009 19:58:20 +0800
> > > Subject: [PATCH] fix the interrupt loss problem on powerpc IPIC  
> > > (2.6.23)
> > >
> > > Signed-off-by: Da Yu <dayu@xxxxxxxxxxxxxxx>
> > > ---
> >
> > Please provide a bit more description as to why this fixes the issue.
>
> The pending register is write 1 clear.  If there are more than one
> external interrupts pending at the same time, acking the first
> interrupt will also clear other interrupt pending bits.  That will
> cause loss of interrupt.
>
> - Leo

Thanks.  That should be included in the commit message.

- k
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