Re: [PATCH] protect 'action' in show_interrupts

Andrew Morton (
Fri, 7 Mar 2003 14:01:03 -0800

Zwane Mwaikambo <> wrote:
> On Fri, 7 Mar 2003, Russell King wrote:
> > We don't have a per-irq_desc spinlock on ARM - it's a global
> > irq_controller_lock.
> >
> > Thanks.
> Ok thanks for spotting that. Andrew here it is rediffed.

Thanks, Zwane. Looks good.

I made some adjustments down in mips land - they weren't initialising the
irq_desc_t locks on startup.

That's pretty academic, but doing spin_lock_irqsave() is as good a way as any
of saying "preempt_disable()", and it keeps all the code looking the same.

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