Re: [patch 1/2] genirq: Run irq handlers with interrupts disabled

From: Thomas Gleixner
Date: Fri Apr 02 2010 - 16:45:33 EST


On Fri, 2 Apr 2010, Pavel Machek wrote:

> On Wed 2010-03-31 13:16:37, Thomas Gleixner wrote:
> > On Tue, 30 Mar 2010, Andi Kleen wrote:
> >
> > > > Why not simply force IRQF_DISABLED for all MSI interrupts. That still
> > > > allows nesting for non MSI ones, but it limits the chance of throwing
> > > > up reasonably well. That's a two liner.
> > > >
> > > > Can you please test whether it resolves the issue at hand ?
> > >
> > > Sorry for the late answer. Got confirmation that this patch
> > > fixes the test case. Thanks.
> >
> > Ok, I'll push it linus wards and cc stable. I think thats the least
> > intrusive safe bet we can have right now.
>
> stable? I'd say thats way too intrusive for -stable...

So we better let the possible stack overruns unaddressed ?

Thanks,

tglx
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