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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