[PATCH 1/2] powerpc/irq: remove the unneeded flag PACA_IRQ_EE_EDGE

[Kevin Hao]

On Tue, Aug 27, 2013 at 05:53:24PM +1000, Benjamin Herrenschmidt wrote:
> On Thu, 2013-04-11 at 09:32 +0800, Kevin Hao wrote:
> > In order to support the Book3E external proxy, the flag
> > PACA_IRQ_EE_EDGE was introduced in patch 7230c564 (powerpc: Rework
> > lazy-interrupt handling). But it turns out that this is not needed.
> > And it is also not used by any code in the current kernel. According
> > to the PowerISA 2.0.6, the content of EPR (External Proxy Register)
> > is valid until MSR[EE] is set to 1. Since we never enable the hard irq
> > before replaying a external interrupt. That means we still can get
> > the valid interrupt vector from EPR when replaying irq.
> 
> I assume you understand why that patch is broken and this is superseeded
> by your more recent series to actually make use of PACA_IRQ_EE_EDGE
> right ? :-)

Yes.

> 
> (Just making sure I can take that one out of patchwork).

Definitely.

Thanks,
Kevin
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