Re: Interrupt storm mitigation needed

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Tue, Feb 17, 2015 at 08:41:25AM +0100, Tom Ivar Helbekkmo wrote:
> Joerg Sonnenberger <joerg%britannica.bec.de@localhost> writes:
> 
> > (1) It's a shared interrupt.
> > (2) uhci is generated interrupts when it should not.
> >
> > It's unlikely that we can do anything about (1), so I was trying to see
> > if we can do something about (2). Note that this is not true polled mode
> > in the sense of what is used during startup or in ddb.
> 
> So, is it a big change to give the ?hci drivers a polled mode option?

If it still generates interrupts, there is not much we can do. I do not
believe turning off interrupts on the PIC is in any way appropiate.

Joerg